Specifications
| Type | Description |
|---|---|
| Part Number | INA199A1DCKR |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | DCK package, 6-pin SC70, 2.00 mm x 1.25 mm nominal body size |
| Common-mode input voltage range | -0.3 V to 26 V; INA199A version, TA=-40°C to 125°C |
| Operating supply voltage range | 2.7 V to 26 V; TA=-40°C to 125°C |
| Operating supply voltage range | 2.5 V to 26 V; TA=-20°C to 85°C |
| Gain | 50 V/V; INA199x1 / INA199A1DCKR |
| Internal resistor values | R3 and R4 = 20 kΩ; R1 and R2 = 1 MΩ; INA199x1 gain option |
| Input offset voltage | ±5 µV typ, ±150 µV max; RTI, VSENSE=0 mV, TA=25°C |
| Input offset voltage drift | 0.1 µV/°C typ, 0.5 µV/°C max; TA=-40°C to 125°C |
| Common-mode rejection | 100 dB min, 120 dB typ; VIN+=0 V to 26 V, VSENSE=0 mV, TA=-40°C to 125°C |
| Power-supply rejection | ±0.1 µV/V typ; VS=2.7 V to 18 V, VIN+=18 V, VSENSE=0 mV |
| Input bias current | 28 µA typ; VSENSE=0 mV |
| Input offset current | ±0.02 µA typ; VSENSE=0 mV |
| Gain error | ±0.03% typ, ±1.5% max; Version A and B, VSENSE=-5 mV to 5 mV, TA=-40°C to 125°C |
| Gain drift | 3 ppm/°C typ, 10 ppm/°C max; TA=-40°C to 125°C |
| Nonlinearity error | ±0.01% typ; VSENSE=-5 mV to 5 mV |
| Maximum capacitive load | 1 nF max; no sustained oscillation |
| Output swing to positive rail | (V+) - 0.05 V typ, (V+) - 0.2 V max; RL=10 kΩ to GND, TA=-40°C to 125°C |
| Output swing to ground | GND + 0.005 V typ, GND + 0.05 V max; RL=10 kΩ to GND, TA=-40°C to 125°C |
| Bandwidth | 80 kHz typ; CLOAD=10 pF, INA199x1 |
| Slew rate | 0.4 V/µs typ; TA=25°C, VS=5 V, VIN+=12 V, VREF=VS/2 |
| Voltage noise density | 25 nV/√Hz typ; RTI |
| Quiescent current | 65 µA typ, 100 µA max; VSENSE=0 mV |
| Quiescent current over temperature | 115 µA max; TA=-40°C to 125°C |
| Specified temperature range | -40°C to 125°C; device specification range |
| Operating temperature range | -40°C to 125°C; device operating range |
| Absolute maximum supply voltage | 26 V max; over operating free-air temperature range |
| Absolute maximum differential input voltage | -26 V to 26 V; VIN+ - VIN- |
| Absolute maximum REF input voltage | GND - 0.3 V to (V+) + 0.3 V; input current limited to 5 mA if exceeded |
| Absolute maximum output voltage | GND - 0.3 V to (V+) + 0.3 V; input current limited to 5 mA if exceeded |
| ESD rating HBM | ±2000 V; INA199A1 in DCK and RSW packages, ANSI/ESDA/JEDEC JS-001 |
| ESD rating CDM | ±1000 V; INA199A1 in DCK and RSW packages, JEDEC JESD22-C101 |
| Junction-to-ambient thermal resistance | 227.3°C/W; DCK SC70, 6 pins |
| Junction-to-case top thermal resistance | 79.5°C/W; DCK SC70, 6 pins |
| Junction-to-board thermal resistance | 72.1°C/W; DCK SC70, 6 pins |
| Pin function: REF | Reference voltage input, 0 V to V+; SC70 pin 1 |
| Pin function: OUT | Analog output voltage; SC70 pin 6 |
| Pin function: V+ | Power supply, 2.7 V to 26 V; SC70 pin 3 |
| Datasheet Status | request_only |
Product Overview
INA199A1DCKR is a Texas Instruments current-shunt monitor categorized under Signal_Chain. It is supplied in the DCK package, a 6-pin SC70 with a 2.00 mm x 1.25 mm nominal body size. The INA199A1DCKR uses the INA199x1 gain option, providing 50 V/V gain with internal resistor values of R3 and R4 = 20 kΩ and R1 and R2 = 1 MΩ.
The device is specified for operation across -40°C to 125°C. For the INA199A version, the common-mode input voltage range is -0.3 V to 26 V. The operating supply range is 2.7 V to 26 V across -40°C to 125°C, and 2.5 V to 26 V across -20°C to 85°C. Electrical parameters include ±5 µV typical input offset voltage, 100 dB minimum common-mode rejection, 80 kHz typical bandwidth, and 0.4 V/µs typical slew rate.
Assembly and design references include SC70 pin functions for REF, OUT, and V+. Thermal data for the DCK SC70 package includes 227.3°C/W junction-to-ambient thermal resistance, with HBM and CDM ESD ratings specified for the DCK package.
Key Features
- 50 V/V gain for INA199A1DCKR gain option
- -0.3 V to 26 V common-mode input range
- 2.7 V to 26 V supply over full temperature
- ±5 µV typical input offset voltage
- 100 dB minimum common-mode rejection
- 80 kHz typical bandwidth with 10 pF load
- 65 µA typical quiescent current at zero sense voltage
- 0.4 V/µs typical slew rate at 5 V supply
- DCK 6-pin SC70 package body size
- REF input supports 0 V to V+
Typical Applications
- Current-shunt monitor circuits
- Signal-chain current measurement
- Analog output current sensing
- REF-referenced current monitor designs
- SC70 space-constrained assemblies
- Systems using 2.7 V to 26 V supply
- Wide common-mode voltage monitoring
Procurement Notes
When requesting a quote for INA199A1DCKR, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What type of device is INA199A1DCKR?
INA199A1DCKR is a Texas Instruments current-shunt monitor in the Signal_Chain category. The listed package is the DCK 6-pin SC70 with a 2.00 mm x 1.25 mm nominal body size.
What gain does the INA199A1DCKR provide?
INA199A1DCKR uses the INA199x1 gain option and provides 50 V/V gain. The extracted internal resistor values for this gain option are R3 and R4 = 20 kΩ, and R1 and R2 = 1 MΩ.
What supply voltage range is specified for this part?
The operating supply voltage range is 2.7 V to 26 V over TA=-40°C to 125°C. A separate operating range of 2.5 V to 26 V is specified for TA=-20°C to 85°C.
What are the key output and reference pin functions?
For the SC70 pinout, REF on pin 1 is the reference voltage input from 0 V to V+, OUT on pin 6 is the analog output voltage, and V+ on pin 3 is the power supply input.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.