ZHCSCF3A May 2014 – August 2014 ADS7950-Q1 , ADS7951-Q1 , ADS7952-Q1 , ADS7953-Q1 , ADS7954-Q1 , ADS7956-Q1 , ADS7957-Q1 , ADS7958-Q1 , ADS7959-Q1 , ADS7960-Q1 , ADS7961-Q1
PRODUCTION DATA.
| MIN | MAX | UNIT | |||
|---|---|---|---|---|---|
| Supply voltage to ground | +VA to AGND, +VBD to BDGND | –0.3 | 7 | V | |
| Signal input | AINP or CHn to AGND | –0.3 | V(+VA) + 0.3 | V | |
| Digital input | To BDGND | –0.3 | 7 | V | |
| Digital output | To BDGND | –0.3 | V(+VA) + 0.3 | V | |
| Junction temperature, TJ | 150 | °C | |||
| MIN | MAX | UNIT | ||||
|---|---|---|---|---|---|---|
| Tstg | Storage temperature range | –65 | 150 | °C | ||
| V(ESD) | Electrostatic discharge | Human-body model (HBM), per AEC Q100-002(1), level H2 | –2 | 2 | kV | |
| Charged-device model (CDM), per AEC Q100-001, level C4B | Corner pins (1, 15, 16, and 30 for 30-pin packages 1, 19, 20, and 38 for 38-pin packages) |
–750 | 750 | V | ||
| All pins | –500 | 500 | ||||
| MIN | NOM | MAX | UNIT | |||
|---|---|---|---|---|---|---|
| V(+VA) | Analog power-supply voltage | 2.7 | 3.3 | 5.25 | V | |
| V(+VBD) | Digital I/O-supply voltage | 1.7 | 3.3 | V(+VA) | V | |
| V(REF) | Reference voltage | 2 | 2.5 | 3 | V | |
| ƒ(SCLK) | SCLK frequency | 20 | MHz | |||
| TA | Operating temperature range | –40 | 125 | °C | ||
| THERMAL METRIC(1) | ADS79xx-Q1 | UNIT | ||
|---|---|---|---|---|
| DBT (TSSOP) | DBT (TSSOP) | |||
| 38 PINS | 30 PINS | |||
| RθJA | Junction-to-ambient thermal resistance | 83.6 | 89.8 | °C/W |
| RθJC(top) | Junction-to-case (top) thermal resistance | 29.8 | 22.9 | |
| RθJB | Junction-to-board thermal resistance | 44.7 | 43.1 | |
| ψJT | Junction-to-top characterization parameter | 2.9 | 0.8 | |
| ψJB | Junction-to-board characterization parameter | 44.1 | 42.5 | |
| RθJC(bot) | Junction-to-case (bottom) thermal resistance | n/a | n/a | |
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|
| ANALOG INPUT | |||||||
| Full-scale input span(1) | Range 1 | 0 | Vref | V | |||
| Range 2 while 2 × Vref ≤ +VA | 0 | 2 × Vref | V | ||||
| Absolute input range | Range 1 | –0.2 | Vref + 0.2 | V | |||
| Range 2 while 2 × Vref ≤ +VA | –0.2 | 2 × Vref + 0.2 | V | ||||
| Input capacitance | 15 | ρF | |||||
| Input leakage current | TA = 125°C | 61 | nA | ||||
| SYSTEM PERFORMANCE | |||||||
| Resolution | 12 | Bits | |||||
| No missing codes | 11 | Bits | |||||
| Integral linearity | –1.5 | ±0.75 | 1.5 | LSB(2) | |||
| Differential linearity | –2 | ±0.75 | 1.5 | LSB | |||
| Offset error(3) | –3.5 | ±1.1 | 3.5 | LSB | |||
| Gain error | Range 1 | –2 | ±0.2 | 2 | LSB | ||
| Range 2 | ±0.2 | LSB | |||||
| TUE | Total unadjusted error | ±2 | LSB | ||||
| SAMPLING DYNAMICS | |||||||
| Conversion time | 20-MHz SCLK | 800 | ns | ||||
| Acquisition time | 325 | ns | |||||
| Maximum throughput rate | 20-MHz SCLK | 1 | MHz | ||||
| Aperture delay | 5 | ns | |||||
| Step response | 150 | ns | |||||
| Over voltage recovery | 150 | ns | |||||
| DYNAMIC CHARACTERISTICS | |||||||
| THD | Total harmonic distortion(4) | 100 kHz | –82 | dB | |||
| SNR | Signal-to-noise ratio | 100 kHz | 70 | 71.7 | dB | ||
| SINAD | Signal-to-noise + distortion | 100 kHz | 68 | 71.3 | dB | ||
| SFDR | Spurious-free dynamic range | 100 kHz | 84 | dB | |||
| Small signal bandwidth | At –3 dB | 47 | MHz | ||||
| Channel-to-channel crosstalk | Any off-channel with 100 kHz. Full-scale input to channel being sampled with DC input (isolation crosstalk). | –95 | dB | ||||
| From previously sampled to channel with 100 kHz. Full-scale input to channel being sampled with DC input (memory crosstalk). | –85 | dB | |||||
| EXTERNAL REFERENCE INPUT | |||||||
| Vref | Reference voltage at REFP(5) | 2 | 2.5 | 3 | V | ||
| Rref | Reference resistance | 100 | kΩ | ||||
| ALARM SETTING | |||||||
| Higher threshold range | 0 | FFC | Hex | ||||
| Lower threshold range | 0 | FFC | Hex | ||||
| DIGITAL INPUT/OUTPUT (CMOS Logic Family) | |||||||
| VIH | High logic-level input voltage | 0.7 × V(+VBD) | V | ||||
| VIL | Low logic-level input voltage | V(+VA) = 5 V | 0.8 | V | |||
| V(+VA) = 3 V | 0.4 | V | |||||
| VOH | High logic-level output voltage | At source current (IS) = 200 μA | V(+VBD) – 0.2 | V | |||
| VOL | Low logic-level output voltage | At Isink = 200 μA | 0.4 | V | |||
| Data format MSB first | MSB first | ||||||
| POWER SUPPLY REQUIREMENTS | |||||||
| V(+VA) | Analog power-supply voltage | 2.7 | 3.3 | 5.25 | V | ||
| V(+VBD) | Digital I/O-supply voltage | 1.7 | 3.3 | V(+VA) | V | ||
| I(+VA) | Supply current (normal mode) | At V(+VA) = 2.7 V to 3.6 V and 1-MHz throughput | 1.8 | mA | |||
| At V(+VA) = 2.7 V to 3.6 V static state | 1.05 | mA | |||||
| At V(+VA) = 4.7 V to 5.25 V and 1-MHz throughput | 2.3 | 3 | mA | ||||
| At V(+VA) = 4.7 V to 5.25 V static state | 1.1 | 1.5 | mA | ||||
| Power-down state supply current | 1 | μA | |||||
| I(+VBD) | Digital I/O-supply current | V(+VA) = 5.25 V, ƒsample = 1 MHz | 1 | mA | |||
| Power-up time | 1 | µs | |||||
| Invalid conversions after power up or reset | 1 | cycle | |||||
| Latch-up | JESD78 class I | ||||||
| TEMPERATURE RANGE | |||||||
| Specified performance | –40 | 125 | °C | ||||
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|
| ANALOG INPUT | |||||||
| Full-scale input span(1) | Range 1 | 0 | Vref | V | |||
| Range 2 while 2 × Vref ≤ +VA | 0 | 2 × Vref | V | ||||
| Absolute input range | Range 1 | –0.2 | Vref + 0.2 | V | |||
| Range 2 while 2 × Vref ≤ +VA | –0.2 | 2 × Vref +0.2 | V | ||||
| Input capacitance | 15 | ρF | |||||
| Input leakage current | TA = 125°C | 61 | nA | ||||
| SYSTEM PERFORMANCE | |||||||
| Resolution | 10 | Bits | |||||
| No missing codes | 10 | Bits | |||||
| Integral linearity | –0.5 | ±0.2 | 0.5 | LSB(2) | |||
| Differential linearity | –0.5 | ±0.2 | 0.5 | LSB | |||
| Offset error(3) | –1.5 | ±0.5 | 1.5 | LSB | |||
| Gain error | Range 1 | –1 | ±0.1 | 1 | LSB | ||
| Range 2 | ±0.1 | LSB | |||||
| SAMPLING DYNAMICS | |||||||
| Conversion time | 20-MHz SCLK | 800 | ns | ||||
| Acquisition time | 325 | ns | |||||
| Maximum throughput rate | 20-MHz SCLK | 1 | MHz | ||||
| Aperture delay | 5 | ns | |||||
| Step response | 150 | ns | |||||
| Over voltage recovery | 150 | ns | |||||
| DYNAMIC CHARACTERISTICS | |||||||
| THD | Total harmonic distortion(4) | 100 kHz | –80 | dB | |||
| SNR | Signal-to-noise ratio | 100 kHz | 60 | dB | |||
| SINAD | Signal-to-noise + distortion | 100 kHz | 60 | dB | |||
| SFDR | Spurious-free dynamic range | 100 kHz | 82 | dB | |||
| Full-power bandwidth | At –3 dB | 47 | MHz | ||||
| Channel-to-channel crosstalk | Any off-channel with 100 kHz. Full-scale input to channel being sampled with dc input. | –95 | dB | ||||
| From previously sampled to channel with 100 kHz. Full-scale input to channel being sampled with dc input. | –85 | dB | |||||
| EXTERNAL REFERENCE INPUT | |||||||
| Vref | Reference voltage at REFP | 2 | 2.5 | 3 | V | ||
| Rref | Reference resistance | 100 | kΩ | ||||
| ALARM SETTING | |||||||
| Higher threshold range | 000 | FFC | Hex | ||||
| Lower threshold range | 000 | FFC | Hex | ||||
| DIGITAL INPUT/OUTPUT (CMOS Logic Family) | |||||||
| VIH | High logic-level input voltage | 0.7 × V(+VBD) | V | ||||
| VIL | Low logic-level input voltage | V(+VBD) = 5 V | 0.8 | V | |||
| V(+VBD) = 3 V | 0.4 | V | |||||
| VOH | High logic-level output voltage | At source current (IS) = 200 μA | V(+VBD) – 0.2 | V | |||
| VOL | Low logic-level output voltage | At Isink = 200 μA | 0.4 | V | |||
| Data format MSB first | MSB first | ||||||
| POWER SUPPLY REQUIREMENTS | |||||||
| V(+VA) | Analog power-supply voltage | 2.7 | 3.3 | 5.25 | V | ||
| V(+VBD) | Digital I/O-supply voltage | 1.7 | 3.3 | V(+VA) | V | ||
| I(+VA) | Supply current (normal mode) | At V(+VA) = 2.7 V to 3.6 V and 1-MHz throughput | 1.8 | mA | |||
| At V(+VA) = 2.7 V to 3.6 V static state | 1.05 | 1 | mA | ||||
| At V(+VA) = 4.7 V to 5.25 V and 1-MHz throughput | 2.3 | 3 | mA | ||||
| At V(+VA) = 4.7 V to 5.25 V static state | 1.1 | 1.5 | mA | ||||
| Power-down state supply current | 1 | μA | |||||
| I(+VBD) | Digital I/O-supply current | V(+VA) = 5.25 V, ƒsample = 1 MHz | 1 | mA | |||
| Power-up time | 1 | μs | |||||
| Invalid conversions after power up or reset | 1 | cycle | |||||
| Latch-up | JESD78 class I | ||||||
| TEMPERATURE RANGE | |||||||
| Specified performance | –40 | 125 | °C | ||||
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|
| ANALOG INPUT | |||||||
| Full-scale input span(1) | Range 1 | 0 | Vref | V | |||
| Range 2 while 2 × Vref ≤ +VA | 0 | 2 × Vref | V | ||||
| Absolute input range | Range 1 | –0.20 | Vref + 0.2 | V | |||
| Range 2 while 2 × Vref ≤ +VA | –0.20 | 2 × Vref + 0.2 | V | ||||
| Input capacitance | 15 | ρF | |||||
| Input leakage current | TA = 125°C | 61 | nA | ||||
| SYSTEM PERFORMANCE | |||||||
| Resolution | 8 | Bits | |||||
| No missing codes | 8 | Bits | |||||
| Integral linearity | –0.3 | ±0.1 | 0.3 | LSB(2) | |||
| Differential linearity | –0.3 | ±0.1 | 0.3 | LSB | |||
| Offset error(3) | –0.5 | ±0.2 | 0.5 | LSB | |||
| Gain error | Range 1 | –0.6 | ±0.1 | 0.6 | LSB | ||
| Range 2 | ±0.1 | LSB | |||||
| SAMPLING DYNAMICS | |||||||
| Conversion time | 20-MHz SCLK | 800 | ns | ||||
| Acquisition time | 325 | ns | |||||
| Maximum throughput rate | 20-MHz SCLK | 1 | MHz | ||||
| Aperture delay | 5 | ns | |||||
| Step response | 150 | ns | |||||
| Over voltage recovery | 150 | ns | |||||
| DYNAMIC CHARACTERISTICS | |||||||
| THD | Total harmonic distortion(4) | 100 kHz | –75 | dB | |||
| SNR | Signal-to-noise ratio | 100 kHz | 49 | dB | |||
| SINAD | Signal-to-noise + distortion | 100 kHz | 49 | dB | |||
| SFDR | Spurious-free dynamic range | 100 kHz | –78 | dB | |||
| Full-power bandwidth | At –3 dB | 47 | MHz | ||||
| Channel-to-channel crosstalk | Any off-channel with 100 kHz. Full-scale input to channel being sampled with dc input. | –95 | dB | ||||
| From previously sampled to channel with 100 kHz. Full-scale input to channel being sampled with dc input. | –85 | dB | |||||
| EXTERNAL REFERENCE INPUT | |||||||
| Vref | reference voltage at REFP | 2 | 2.5 | 3 | V | ||
| Reference resistance | 100 | kΩ | |||||
| ALARM SETTING | |||||||
| Higher threshold range | 000 | FF | Hex | ||||
| Lower threshold range | 000 | FF | Hex | ||||
| DIGITAL INPUT/OUTPUT (CMOS Logic Family) | |||||||
| VIH | High logic-level input voltage | 0.7 × V(+VBD) | V | ||||
| VIL | Low logic-level input voltage | V(+VBD) = 5 V | 0.8 | V | |||
| V(+VBD) = 3 V | 0.4 | V | |||||
| VOH | High logic-level output voltage | At source current (IS) = 200 μA | V(+VBD) – 0.2 | V | |||
| VOL | Low logic-level output voltage | At Isink = 200 μA | 0.4 | V | |||
| Data format | MSB first | ||||||
| POWER SUPPLY REQUIREMENTS | |||||||
| V(+VA) | Analog power-supply voltage | 2.7 | 3.3 | 5.25 | V | ||
| V(+VBD) | Digital I/O-supply voltage | 1.7 | 3.3 | V(+VA) | V | ||
| I(+VA) | Supply current (normal mode) | At V(+VA) = 2.7 V to 3.6 V and 1-MHz throughput | 1.8 | mA | |||
| At V(+VA) = 2.7 V to 3.6 V static state | 1.05 | mA | |||||
| At V(+VA) = 4.7 V to 5.25 V and 1-MHz throughput | 2.3 | 3 | mA | ||||
| At V(+VA) = 4.7 V to 5.25 V static state | 1.1 | 1.5 | mA | ||||
| Power-down state supply current | 1 | μA | |||||
| I(+VBD) | Digital I/O-supply current | V(+VA) = 5.25 V, ƒsample = 1 MHz | 1 | mA | |||
| Power-up time | 1 | μs | |||||
| Invalid conversions after power up or reset | 1 | cycle | |||||
| Latch-up | JESD78 class I | ||||||
| TEMPERATURE RANGE | |||||||
| Specified performance | –40 | 125 | °C | ||||
| PARAMETER(1)(2) | MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|
| tc | Conversion time | V(+VBD) = 1.8 V | 16 | SCLK | ||
| V(+VBD) = 3 V | 16 | SCLK | ||||
| V(+VBD) = 5 V | 16 | SCLK | ||||
| tq | Minimum quiet sampling time needed from bus Tri-state to start of next conversion | V(+VBD) = 1.8 V | 40 | ns | ||
| V(+VBD) = 3 V | 40 | ns | ||||
| V(+VBD) = 5 V | 40 | ns | ||||
| td1 | Delay time, CS low to first data (DO–15) out | V(+VBD) = 1.8 V | 38 | ns | ||
| V(+VBD) = 3 V | 27 | ns | ||||
| V(+VBD) = 5 V | 17 | ns | ||||
| tsu1 | Setup time, CS low to first rising edge of SCLK | V(+VBD) = 1.8 V | 8 | ns | ||
| V(+VBD) = 3 V | 6 | ns | ||||
| V(+VBD) = 5 V | 4 | ns | ||||
| td2 | Delay time, SCLK falling to SDO next data bit valid | V(+VBD) = 1.8 V | 35 | ns | ||
| V(+VBD) = 3 V | 27 | ns | ||||
| V(+VBD) = 5 V | 17 | ns | ||||
| th1 | Hold time, SCLK falling to SDO data bit valid | V(+VBD) = 1.8 V | 7 | ns | ||
| V(+VBD) = 3 V | 5 | ns | ||||
| V(+VBD) = 5 V | 3 | ns | ||||
| td3 | Delay time, 16th SCLK falling edge to SDO 3-state | V(+VBD) = 1.8 V | 26 | ns | ||
| V(+VBD) = 3 V | 22 | ns | ||||
| V(+VBD) = 5 V | 13 | ns | ||||
| tsu2 | Setup time, SDI valid to rising edge of SCLK | V(+VBD) = 1.8 V | 2 | ns | ||
| V(+VBD) = 3 V | 3 | ns | ||||
| V(+VBD) = 5 V | 4 | ns | ||||
| th2 | Hold time, rising edge of SCLK to SDI valid | V(+VBD) = 1.8 V | 12 | ns | ||
| V(+VBD) = 3 V | 10 | ns | ||||
| V(+VBD) = 5 V | 6 | ns | ||||
| tw1 | Pulse duration CS high | V(+VBD) = 1.8 V | 20 | ns | ||
| V(+VBD) = 3 V | 20 | ns | ||||
| V(+VBD) = 5 V | 20 | ns | ||||
| td4 | Delay time CS high to SDO 3-state | V(+VBD) = 1.8 V | 24 | ns | ||
| V(+VBD) = 3 V | 21 | ns | ||||
| V(+VBD) = 5 V | 12 | ns | ||||
| twH | Pulse duration SCLK high | V(+VBD) = 1.8 V | 20 | ns | ||
| V(+VBD) = 3 V | 20 | ns | ||||
| V(+VBD) = 5 V | 20 | ns | ||||
| twL | Pulse duration SCLK low | V(+VBD) = 1.8 V | 20 | ns | ||
| V(+VBD) = 3 V | 20 | ns | ||||
| V(+VBD) = 5 V | 20 | ns | ||||
| ƒ(SCLK) | Frequency SCLK | V(+VBD) = 1.8 V | 20 | MHz | ||
| V(+VBD) = 3 V | 20 | MHz | ||||
| V(+VBD) = 5 V | 20 | MHz | ||||

| ƒsample = 1 MSPS | TA = 25°C |

| ƒsample = 1 MSPS | V(+VBD) = 5.5 V |

| No power-down | TA = 25°C | |

| ƒsample = 0 MSPS | TA = 25°C |

| ƒsample = 0 MSPS | V(+VBD) = 5.5 V |

| With power-down mode enabled | TA = 25°C | |

| ƒsample = 1 MSPS | TA = 25°C |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V |

| ƒsample = 1 MSPS | TA = 25°C | V(+VBD) = 1.8 V |

| ƒsample = 1 MSPS | TA = 25°C | V(+VBD) = 1.8 V |

| ƒsample = 1 MSPS | V(+VA) = 5.5 V | V(+VBD) = 1.8 V |

| ƒsample = 1 MSPS | TA = 25°C | V(+VBD) = 3 V |
| ƒinput = 100 kHz |

| ƒsample = 1 MSPS | TA = 25°C | V(+VBD) = 3 V |
| ƒinput = 100 kHz |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 3 V |
| ƒinput = 100 kHz |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 3 V |
| ƒinput = 100 kHz |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 3 V |
| TA = 25°C | MXO shorted to AINP | |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 3 V |
| TA = 25°C | MXO shorted to AINP | |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V |
| TA = 25°C | Buffer between MXO and AINP | |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V |
| TA = 25°C | Buffer between MXO and AINP | |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V |

| V(+VA) = 5 V | V(+VBD) = 5 V |


| ƒsample = 1 MSPS | TA = 25°C |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V |

| ƒsample = 1 MSPS | TA = 25°C | V(+VA) = 5.5 V |

| ƒsample = 1 MSPS | TA = 25°C | V(+VA) = 5.5 V |

| ƒsample = 1 MSPS | V(+VA) = 5.5 V | V(+VBD) = 1.8 V |

| ƒsample = 1 MSPS | TA = 25°C | V(+VBD) = 3 V |
| ƒinput = 100 kHz |

| ƒsample = 1 MSPS | TA = 25°C | V(+VBD) = 3 V |
| ƒinput = 100 kHz |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 3 V |
| ƒinput = 100 kHz |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 3 V |
| ƒinput = 100 kHz |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 3 V |
| TA = 25°C | MXO shorted to AINP | |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 3 V |
| TA = 25°C | MXO shorted to AINP | |

| ƒsample= 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V |
| TA = 25°C | Buffer between MXO and AINP | |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V |

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V |
| CH0, CH1 |


| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V | ||
| TA = 25°C | ||||

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V | ||

| ƒsample = 1 MSPS | V(+VA) = 5 V | V(+VBD) = 5 V | ||
| ƒinput = 100 kHz | Npoints = 16,384 | |||