| CLOCK, SYSREF |
| CLKINM |
28 |
I |
Negative differential clock input for the ADC. The device has an internal 100-Ω termination resistor between the CLKINP and CLKINM pins. |
| CLKINP |
27 |
I |
Positive differential clock input for the ADC. The device has an internal 100-Ω termination resistor between the CLKINP and CLKINM pins. |
| SYSREFM |
34 |
I |
Negative external SYSREF input. Connect this pin to GND if not used. |
| SYSREFP |
33 |
I |
Positive external SYSREF input. Connect this pin to 1.8 V if not used. |
| CONTROL, SERIAL |
| PDN |
50 |
I/O |
Power down, active low pin. Can be configured via an SPI register setting.
Can be configured to fast overrange output for channel A via the SPI. |
| RESET |
48 |
I |
Hardware reset; active high. This pin has an internal 20-kΩ pulldown resistor. |
| SCLK |
6 |
I |
Serial interface clock input |
| SDIN |
5 |
I |
Serial interface data input |
| SDOUT |
11 |
O |
Serial interface data output.
Can be configured to fast overrange output for channel B via the SPI. |
| SEN |
7 |
I |
Serial interface enable |
| DATA INTERFACE |
| DA0M |
62 |
O |
JESD204B serial data negative outputs for channel A |
| DA1M |
59 |
| DA2M |
56 |
| DA3M |
54 |
| DA0P |
61 |
O |
JESD204B serial data positive outputs for channel A |
| DA1P |
58 |
| DA2P |
55 |
| DA3P |
53 |
| DB0M |
65 |
O |
JESD204B serial data negative outputs for channel B |
| DB1M |
68 |
| DB2M |
71 |
| DB3M |
1 |
| DB0P |
66 |
O |
JESD204B serial data positive outputs for channel B |
| DB1P |
69 |
| DB2P |
72 |
| DB3P |
2 |
| SYNC |
63 |
I |
Synchronization input for JESD204B port |
| INPUT, COMMON MODE |
| INAM |
41 |
I |
Differential analog negative input for channel A |
| INAP |
42 |
I |
Differential analog positive input for channel A |
| INBM |
14 |
I |
Differential analog negative input for channel B |
| INBP |
13 |
I |
Differential analog positive input for channel B |
| VCM |
22 |
O |
Common-mode voltage, 2.1 V.
Note that analog inputs are internally biased to this pin through 600 Ω (effective), no external connection from the VCM pin to the INxP or INxM pin is required. |
| POWER SUPPLY |
| AGND |
18, 23, 26, 29, 32, 36, 37 |
I |
Analog ground |
| AVDD |
9, 12, 15, 17, 25, 30, 35, 38, 40, 43, 44, 46 |
I |
Analog 1.9-V power supply |
| AVDD3V |
10, 16, 24, 31, 39, 45 |
I |
Analog 3.0-V power supply for the analog buffer |
| DGND |
3, 52, 60, 67 |
I |
Digital ground |
| DVDD |
8, 47 |
I |
Digital 1.9-V power supply |
| IOVDD |
4, 51, 57, 64, 70 |
I |
Digital 1.15-V power supply for the JESD204B transmitter |
| NC, RES |
| NC |
19-21 |
— |
Unused pins, do not connect |
| RES |
49 |
I |
Reserved pin. Connect to DGND. |