Texas Instruments OPA320AQDBVTQ1
- Part Number:
- OPA320AQDBVTQ1
- Manufacturer:
- Texas Instruments
- Ventron No:
- 6405368-OPA320AQDBVTQ1
- Description:
- Automotive qualified, precision, zero-crossover, 20-MHz, 0.9-pA Ib, RRIO, CMOS operational amplifier
- ECAD Model:
-
- Datasheet:
- opa320-q1
- Number of channels1
- Total supply voltage ( 5 V = 5±5 V = 10) (min) (V)
- Vos (offset voltage at 25°C) (max) (mV)0.15
- GBW (typ) (MHz)20
- FeaturesEMI Hardened
- Slew rate (typ) (V/μs)10
- Rail-to-railIn
- Offset drift (typ) (V/°C)0.0000015
- Iq per channel (typ) (mA)1.45
- Vn at 1 kHz (typ) (nV√Hz)8.5
- CMRR (typ) (dB)114
- RatingAutomotive
- Operating temperature range (°C)-40 to 125
- TI functional safety categoryFunctional Safety-Capable
- Input bias current (max) (pA)0.9
- Iout (typ) (A)0.065
- ArchitectureCMOS
- Input common mode headroom (to negative supply) (typ) (V)-0.1
- Input common mode headroom (to positive supply) (typ) (V)0.1
- Output swing headroom (to negative supply) (typ) (V)0.01
- Output swing headroom (to positive supply) (typ) (V)-0.01
- THD N at 1 kHz (typ) (%)0.0005
The OPA320-Q1 and OPA2320-Q1 (OPAx320-Q1) devices are a new generation of precisionlow-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 anexcellent choice for driving sampling analog-to-digital converters (ADCs). Other applicationsinclude signal conditioning and sensor amplification.
The OPAx320-Q1 feature a linear input stage with zero-crossover distortion that deliversexcellent common-mode rejection ratio (CMRR) of 114 dB (typical) over the full input range. Theinput common-mode range extends 100 mV beyond the negative and positive supply rails. The outputvoltage 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, withexcellent PSRR (106 dB) over the entire supply range. These features make the OPAx320-Q1 suitablefor precision, low-power applications that run directly from batteries without regulation.
The OPAx320-Q1 device is available in an 8-pin VSSOP (DGK) package.
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