INA122：Single Supply, MicroPower Instrumentation Amplifier
Recommended alternative parts
- INA118 - ?Similar to INA122 with quiescent current 350uA but not rail-to-rail
- INA126 - ?Similar to INA122 with the quiescent current 175uA but not rail-to-rail
Parametrics
| key | INA122 |
|---|---|
| Number of Channels (#) | 1 |
| Vs (Min) (V) | 2.2 |
| Vs (Max) (V) | 36 |
| CMRR (Min) (dB) | 83 |
| Input Offset (+/-) (Max) (uV) | 250 |
| Input Offset Drift (+/-) (Max) (uV/C) | 3 |
| Input Bias Current (+/-) (Max) (nA) | 25 |
| Noise at 1kHz (Typ) (nV/rt(Hz)) | 60 |
| Iq (Typ) (mA) | 0.06 |
| Bandwidth at Min Gain (Typ) (MHz) | 0.12 |
| Gain (Min) (V/V) | 5 |
| Gain (Max) (V/V) | 10000 |
| Gain Error (+/-) (Max) (%) | 0.15 |
| Rating | Catalog |
| Operating Temperature Range (C) | -40 to 85 |
| Package Group | PDIP SOIC |
| Approx. Price (US$) | 2.45 | 1ku |
| Package Size: mm2:W x L (PKG) | See datasheet (PDIP) |
| Noise at 0.1 Hz - 10 Hz (Typ) (uVpp) | 2 |
| Gain Non-Linearity (+/-) (Max) (%) | 0.002 |
Datasheet?(1)
| Title | Type | Size (KB) | Date |
|---|---|---|---|
| Single Supply, MicroPower Instrumentation Amplifier | 746 | 27 Sep 2000 |
Application notes?(2)
| Title | Type | Size (KB) | Date |
|---|---|---|---|
| 4Q 2015 Analog Applications Journal | Multiple Files | 30 Oct 2015 | |
| VCM vs. VOUT plots for instrumentation amplifiers with two op amps | 632 | 30 Oct 2015 |
User guides?(2)
| Title | Type | Size (KB) | Date |
|---|---|---|---|
| Universal Instrumentation Amplifier EVM User’s Guide (Rev. B) | 739 | 09 Aug 2016 | |
| Universal Instrumentation Amplifier EVM User’s Guide | 721 | 11 Sep 2013 |
Selection & solution guides?(1)
| Title | Type | Size (KB) | Date |
|---|---|---|---|
| Analog Signal Chain Guide (Rev. B) | 6000 | 11 Jul 2013 |
Models?(3)
| Title | Type | Size (KB) | Date |
|---|---|---|---|
| INA122 PSpice Model (Rev. A) | ZIP | 54?KB | 25 Jul 2011 |
| INA122 TINA-TI Reference Design (Rev. B) | TSC | 67?KB | 25 Jul 2011 |
| INA122 TINA-TI Spice Model (Rev. A) | ZIP | 4?KB | 25 Jul 2011 |
Design kits & evaluation modules?(1)
| Name | Part# | Type |
|---|---|---|
| Universal Instrumentation Amplifier Evaluation Module | INAEVM | Evaluation Modules & Boards |
Software?(1)
Development tools?(2)
| Name | Part# | Type |
|---|---|---|
| Calculate Input Common-Mode Range of Instrumentation Amplifiers | INA-CMV-CALC | Calculation Tools |
| SPICE-Based Analog Simulation Program | TINA-TI | Circuit Design & Simulation |
Ordering Information
| Part # | Preproduction / Production Material | Status | Temp(oC) | Price | QTY | Package | Pins | Device Marking | Package QTY | Carrier |
|---|---|---|---|---|---|---|---|
| INA122P | Production | ACTIVE | -40 to 85 | 3.57 | 1ku | PDIP?(P) | INA122P | 50 | TUBE |
| INA122PA | Production | ACTIVE | 2.82 | 1ku | PDIP?(P) | INA122P A | 50 | TUBE | |
| INA122PAG4 | Production | ACTIVE | 2.82 | 1ku | PDIP?(P) | INA122P A | 50 | TUBE | |
| INA122PG4 | Production | ACTIVE | -40 to 85 | 3.57 | 1ku | PDIP?(P) | INA122P | 50 | TUBE |
| INA122U | Production | ACTIVE | 3.70 | 1ku | SOIC?(D) | INA 122U | 75 | TUBE | |
| INA122U/2K5 | Production | ACTIVE | 3.20 | 1ku | SOIC?(D) | INA 122U | 2500 | LARGE T&R | |
| INA122UA | Production | ACTIVE | 2.95 | 1ku | SOIC?(D) | INA A 122U | 75 | TUBE | |
| INA122UA/2K5 | Production | ACTIVE | 2.45 | 1ku | SOIC?(D) | INA 122U A | 2500 | LARGE T&R | |
| INA122UA/2K5G4 | Production | ACTIVE | 2.45 | 1ku | SOIC?(D) | INA 122U A | 2500 | LARGE T&R | |
| INA122UAG4 | Production | ACTIVE | 2.95 | 1ku | SOIC?(D) | INA 122U A | 75 | TUBE | |
| INA122UE4 | Production | ACTIVE | 3.70 | 1ku | SOIC?(D) | INA 122U | 75 | TUBE |
- 2015 年第 4 季度模拟应用期刊 BQ24715
- 具有两个运放的仪表放大器的 VCM 与 VOUT 关系曲线图 INA122
- 所选封装材料的热学和电学性质 DCP010505B
- Universal Instrumentation Amplifier EVM User’s Guide INA118
- 模拟信号链路产品指南 (Rev. B) BQ24392
- INA122 PSpice Model INA122
- INA122 TINA-TI Reference Design INA122
- INA122 TINA-TI Spice Model INA122
- INA122
