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OPA320AQDBVTQ1

Automotive qualified, precision, zero-crossover, 20-MHz, 0.9-pA Ib, RRIO, CMOS operational amplifier

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

OPA320AQDBVTQ1
Datasheet:

OPA320AQDBVTQ1 Datasheet (PDF)
Series:

Automotive, AEC-Q100
Amplifier Type:

General Purpose
Number of Circuits:

1
Output Type:

Rail-to-Rail
EDA/CAD Models:

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OPA320AQDBVTQ1 General Description

The OPA320-Q1 and OPA2320-Q1 (OPAx320-Q1) devices are a new generation of precision low-voltage CMOS operational amplifiers (op amps) optimized for very low noise and wide bandwidth. These devices operate on a low quiescent current of only 1.45 mA.

The OPAx320-Q1 are an excellent choice for low-power, single-supply applications. Low-noise (7 nV/√Hz) and high-speed operation also makes these devices an excellent choice for driving sampling analog-to-digital converters (ADCs). Other applications include signal conditioning and sensor amplification.

The OPAx320-Q1 feature a linear input stage with zero-crossover distortion that delivers excellent common-mode rejection ratio (CMRR) of 114 dB (typical) over the full input range. The input common-mode range extends 100 mV beyond the negative and positive supply rails. The output voltage typically swings within 10 mV of the rails.

In addition, the OPAx320-Q1 have a wide supply voltage range from 1.8 V to 5.5 V, with excellent PSRR (106 dB) over the entire supply range. These features make the OPAx320-Q1 suitable for precision, low-power applications that run directly from batteries without regulation.

The OPAx320-Q1 device is available in an 8-pin VSSOP (DGK) package.

Key Features

Qualified for Automotive Applications
AEC-Q100 Qualified with the Following Results:
- Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C4B
Precision with Zero-Crossover Distortion:
- Low Offset Voltage: 150 µV (max)
- High CMRR: 114 dB
- Rail-to-Rail I/O
Low Input Bias Current: 0.9 pA (max)
Low Noise: 7 nV/√Hz at 10kHz
Wide Bandwidth: 20 MHz
Slew Rate: 10 V/µs
Quiescent Current: 1.45 mA/ch
Single-Supply Voltage Range: 1.8 to 5.5 V
Unity-Gain Stable
Small VSSOP Package

Specifications

Category	Integrated Circuits (ICs)LinearAmplifiersInstrumentation, OP Amps, Buffer Amps	Series	Automotive, AEC-Q100
Amplifier Type	General Purpose	Number of Circuits	1
Output Type	Rail-to-Rail	Slew Rate	10V/µs
Gain Bandwidth Product	20 MHz	Current - Input Bias	0.2 pA
Voltage - Input Offset	40 µV	Current - Supply	1.45mA
Current - Output / Channel	65 mA	Voltage - Supply Span (Min)	1.8 V
Voltage - Supply Span (Max)	5.5 V	Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount	Base Product Number	OPA320