Texas Instruments OPA172
The OPA172, OPA2172 and OPA4172 (OPAx172) are a family of 36-V, single-supply, low-noise operational amplifiers capable of operating on supplies ranging from +4.5 V (±2.25 V) to +36 V (±18 V). This latest addition of high-voltage CMOS operational amplifiers, in conjunction with the OPAx171 and OPAx170, provide a family of bandwidth, noise, and power options to meet the needs of a wide variety of applications. The OPAx172 are available in micropackages, and offer low offset, drift, and quiescent current.| Part No. | OPA172 |
|---|---|
| Datasheet | OPA172 Download |
| Manufacturer |  Texas Instruments |
| Description | Rail-to-Rail Output Operational Amplifiers |
| Buy | Stock & Price |
FEATURES
●1 Wide Supply Range: +4.5 V to +36 V, ±2.25 V to ±18 V● Low Offset Voltage: ±0.2 mV
● Low Offset Drift: ±0.3 µV/°C
● Gain Bandwidth: 10 MHz
● Low Input Bias Current: ±8 pA
● Low Quiescent Current: 1.6 mA per Amplifier
● Low Noise: 7 nV/√Hz
● EMI and RFI Filtered Inputs
● Input Range Includes the Negative Supply
● Input Range Operates to Positive Supply
● Rail-to-Rail Output
● High Common-Mode Rejection: 120 dB
● Industry-Standard Packages: – SOIC-8, VSSOP-8, SOIC-14, TSSOP-14
● microPackages: Single in SC70, SOT-23, Dual in WSON-8 2
APPLICATIONS
● Tracking Amplifier in Power Modules● Merchant Power Supplies
● Transducer Amplifiers
● Bridge Amplifiers
● Temperature Measurements
● Strain Gauge Amplifiers
● Precision Integrators
● Test Equipment JFET-Input Low-Noise Amplifier VCC V1 15 V VEE V2 15 V VCC R1 3.9 kŸ LSK489 R2 3.9 kŸ VEE OPA172 ++ VCC VOUT R3 1.13 kŸ Q1 Q2 Q3 MMBT4401 R5 300 Ÿ VCC R6 27.4 kŸ Q4 MMBT4401 R4 11.5 Ÿ VEE 3
DESCRIPTION
These devices also offer wide bandwidth, fast slew rate, and high output current drive capability.
