Product details

Rating Catalog Number of dividers 2 Divider ratio 1:1, 1:1.5, 1:1.667, 1:10, 1:2, 1:2.5, 1:3, 1:4, 1:5, 1:9 Input resistance (kΩ) 1 Gain resistance (kΩ) 1, 1.5, 1.667, 2, 2.5, 3, 4, 5, 9, 10 Initial ratio tolerance (typ) (ppm) ±120 Initial ratio tolerance (max) (ppm) ±500 Total Divider Voltage (max) (V) 85, 96.3 Matching Tolerance (max) (ppm) -1000 Matching Tolerance (typ) (ppm) -85 Operating temperature range (°C) -40 to 125
Rating Catalog Number of dividers 2 Divider ratio 1:1, 1:1.5, 1:1.667, 1:10, 1:2, 1:2.5, 1:3, 1:4, 1:5, 1:9 Input resistance (kΩ) 1 Gain resistance (kΩ) 1, 1.5, 1.667, 2, 2.5, 3, 4, 5, 9, 10 Initial ratio tolerance (typ) (ppm) ±120 Initial ratio tolerance (max) (ppm) ±500 Total Divider Voltage (max) (V) 85, 96.3 Matching Tolerance (max) (ppm) -1000 Matching Tolerance (typ) (ppm) -85 Operating temperature range (°C) -40 to 125
SOT-23-THN (DDF) 8 8.12 mm2 2.9 x 2.8
  • Wide temperature range: –40°C to +125°C
  • Ratio = RIN : RG, RIN = 1kΩ (nominal)
  • Highly precise ratio tolerance: ±0.05% (maximum)

  • Low drift: ±2ppm/°C TCRratio (maximum)
  • Wide temperature range: –40°C to +125°C
  • Ratio = RIN : RG, RIN = 1kΩ (nominal)
  • Highly precise ratio tolerance: ±0.05% (maximum)

  • Low drift: ±2ppm/°C TCRratio (maximum)

The RES11A is a matched pair of resistive dividers, implemented in thin-film SiCr with Texas Instruments’ modern, high-performance, analog CMOS process. The device has a nominal input resistance of 1kΩ, for low thermal and current noise, and is available in several nominal ratios to meet a wide array of system needs. Use the RES11A in an inverse gain configuration by simply rotating the device placement by 180°. This feature supports layout reuse and increases flexibility for applications such as discrete instrumentation or difference amplifier implementations.

The RES11A series features high ratio-matching precision, with the measured ratio of each divider within ±0.05% (±500ppm) of the nominal. This precision is maintained over the temperature range, with a maximum ratio drift of only ±2ppm/°C. Additionally, the biased long-term stability of the device has been proven through thorough characterization.

The RES11A is specified with a temperature range from –40°C to +125°C. The device is offered in an 8?pin, SOT?23-THIN package, with a body size of 2.9mm × 1.6mm (body size is a nominal value and does not include pins).

The RES11A is a matched pair of resistive dividers, implemented in thin-film SiCr with Texas Instruments’ modern, high-performance, analog CMOS process. The device has a nominal input resistance of 1kΩ, for low thermal and current noise, and is available in several nominal ratios to meet a wide array of system needs. Use the RES11A in an inverse gain configuration by simply rotating the device placement by 180°. This feature supports layout reuse and increases flexibility for applications such as discrete instrumentation or difference amplifier implementations.

The RES11A series features high ratio-matching precision, with the measured ratio of each divider within ±0.05% (±500ppm) of the nominal. This precision is maintained over the temperature range, with a maximum ratio drift of only ±2ppm/°C. Additionally, the biased long-term stability of the device has been proven through thorough characterization.

The RES11A is specified with a temperature range from –40°C to +125°C. The device is offered in an 8?pin, SOT?23-THIN package, with a body size of 2.9mm × 1.6mm (body size is a nominal value and does not include pins).
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Technical documentation

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* Data sheet RES11A Matched, Thin-Film Resistor Dividers With 1k? Inputs datasheet (Rev. A) PDF | HTML 02 Oct 2025
Application brief Active Filter Design for Differential ADCs (Rev. A) PDF | HTML 08 Oct 2025
Product overview Navigating Precision Resistor Networks PDF | HTML 24 Jan 2024
Application note Optimizing CMRR in Differential Amplifier Circuits With Precision Matched Resist PDF | HTML 03 Nov 2023

Design & development

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Evaluation board

SMALL-AMP-DIP-EVM — Evaluation module for operational amplifiers with small-size packages

The SMALL-AMP-DIP-EVM speeds up small-package operational-amplifier prototyping by providing a fast and easy way to interface with many industry-standard small-size packages. SMALL-AMP-DIP-EVM supports eight small package options including DPW-5 (X2SON), DSG-8 (WSON), DCN-8 (SOT), DDF-8 (...)

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Simulation model

RES11A PSpice Model (Rev. A)

SLPM361A.ZIP (89 KB) - PSpice Model
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Simulation model

RES11A SPICE Model (Rev. A)

SLPM367A.ZIP (4 KB) - TISpice Model
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Simulation model

RES11A TINA-TI SPICE Model (Rev. B)

SLPM359B.ZIP (10 KB) - TINA-TI Spice Model
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Simulation model

RES11A, RES21A and RES31A TINA-TI Reference Design (Rev. B)

SLPM360B.TSC (485 KB) - TINA-TI Reference Design
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Reference designs

TIDA-010970 — Low-noise, highly linear, analog front-end reference design

The target application for this design includes digital multimeters (DMMs) that require ultra-high precision to measure dc signals. This design achieves effective dc accuracy using the ADS127L21B, a high-performance, 24-bit analog-to-digital converter (ADC) with effective linearity. An ultra-low (...)
Design guide: PDF
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SOT-23-THN (DDF) 8 Ultra Librarian

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