REF20-Q1

AKTIV

Serienspannungsreferenz mit geringer Drift, geringem Stromverbrauch für die Automobilindustrie

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Datenblatt

document-pdfAcrobat REF20xx-Q1 Low-Drift, Low-Power, Dual-Output, VREF and VREF / 2 Voltage References datasheet (Englisch) PDF | HTML

REF20-Q1

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Rating

Automotive

VO (V)

2.5, 3, 3.3, 4.096

Temp coeff (max) (ppm/°C)

8

Initial accuracy (max) (%)

0.05

Features

Enable pin, Multiple outputs

Iout/Iz (max) (mA)

20

Vin (min) (V)

2.52

Vin (max) (V)

5.5

Iq (typ) (mA)

0.36, 360

TI functional safety category

Functional Safety-Capable

LFN 0.1 to 10 Hz (typ) (µVPP)

30

Operating temperature range (°C)

-40 to 125

Shutdown current (ISD) (typ) (µA)

3.3

Rating

Automotive

VO (V)

2.5, 3, 3.3, 4.096

Temp coeff (max) (ppm/°C)

8

Initial accuracy (max) (%)

0.05

Features

Enable pin, Multiple outputs

Iout/Iz (max) (mA)

20

Vin (min) (V)

2.52

Vin (max) (V)

5.5

Iq (typ) (mA)

0.36, 360

TI functional safety category

Functional Safety-Capable

LFN 0.1 to 10 Hz (typ) (µVPP)

30

Operating temperature range (°C)

-40 to 125

Shutdown current (ISD) (typ) (µA)

3.3

SOT-23-THN (DDC)

5

8.12 mm² (2.9 mm × 2.8 mm)

AEC-Q100 qualified with the following results:
- Device temperature grade 1: –40°C to +125°C ambient operating temperature
- Device HBM ESD classification level 2
- Device CDM ESD classification level C7B
Functional Safety-Capable
- Documentation available to aid functional safety system design
Two Outputs, V_REF and V_REF / 2, for convenient use in single-supply systems
Excellent temperature drift performance:
- 8 ppm/°C (maximum) from –40°C to 125°C
High initial accuracy: ±0.05% (maximum)
V_REF and V_BIAS tracking overtemperature:
- 7 ppm/°C (maximum) from –40°C to 125°C
Microsize package: SOT23-5
Low dropout voltage: 10 mV
High output current: ±20 mA
Low quiescent current: 360 µA
Line regulation: 3 ppm/V
Load regulation: 8 ppm/mA

AEC-Q100 qualified with the following results:
- Device temperature grade 1: –40°C to +125°C ambient operating temperature
- Device HBM ESD classification level 2
- Device CDM ESD classification level C7B
Functional Safety-Capable
- Documentation available to aid functional safety system design
Two Outputs, V_REF and V_REF / 2, for convenient use in single-supply systems
Excellent temperature drift performance:
- 8 ppm/°C (maximum) from –40°C to 125°C
High initial accuracy: ±0.05% (maximum)
V_REF and V_BIAS tracking overtemperature:
- 7 ppm/°C (maximum) from –40°C to 125°C
Microsize package: SOT23-5
Low dropout voltage: 10 mV
High output current: ±20 mA
Low quiescent current: 360 µA
Line regulation: 3 ppm/V
Load regulation: 8 ppm/mA

Applications with only a positive supply voltage often require additional stable voltage in the middle of the analog-to-digital converter (ADC) input range to bias input bipolar signals. The REF20xx-Q1 provides a reference voltage (V_REF) for the ADC and a second highly-accurate voltage (V_BIAS) that can be used to bias the input bipolar signals.

The REF20xx-Q1 offers excellent temperature drift (8 ppm/°C, maximum) and initial accuracy (0.05%) on both the V_REF and V_BIAS outputs while operating at a quiescent current less than 430 µA. In addition, the V_REF and V_BIAS outputs track each other with a precision of 7 ppm/°C (maximum) across the temperature range of –40°C to 125°C. All these features increase the precision of the signal chain and decrease board space, while reducing the cost of the system as compared to a discrete solution. Extremely low dropout voltage of only 10 mV allows operation from very low input voltages, which can be very useful in battery-operated systems.

Both the V_REF and V_BIAS voltages have the same excellent specifications and can sink and source current equally well. Very good long-term stability and low noise levels make these devices ideally-suited for high-precision applications.

Applications with only a positive supply voltage often require additional stable voltage in the middle of the analog-to-digital converter (ADC) input range to bias input bipolar signals. The REF20xx-Q1 provides a reference voltage (V_REF) for the ADC and a second highly-accurate voltage (V_BIAS) that can be used to bias the input bipolar signals.

The REF20xx-Q1 offers excellent temperature drift (8 ppm/°C, maximum) and initial accuracy (0.05%) on both the V_REF and V_BIAS outputs while operating at a quiescent current less than 430 µA. In addition, the V_REF and V_BIAS outputs track each other with a precision of 7 ppm/°C (maximum) across the temperature range of –40°C to 125°C. All these features increase the precision of the signal chain and decrease board space, while reducing the cost of the system as compared to a discrete solution. Extremely low dropout voltage of only 10 mV allows operation from very low input voltages, which can be very useful in battery-operated systems.

Both the V_REF and V_BIAS voltages have the same excellent specifications and can sink and source current equally well. Very good long-term stability and low noise levels make these devices ideally-suited for high-precision applications.

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