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RES11A

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Low-noise matched thin-film resistor divider network with 1kΩ fixed input

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Data sheet

RES11A

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Product details

Rating Catalog Number of dividers 2 Divider ratio 1:4 Input resistance (kΩ) 0.001 Gain resistance (kΩ) 0.004 Initial ratio tolerance (typ) (ppm) ±120 Initial ratio tolerance (max) (ppm) ±500 Total Divider Voltage (max) (V) 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 1:4 Input resistance (kΩ) 0.001 Gain resistance (kΩ) 0.004 Initial ratio tolerance (typ) (ppm) ±120 Initial ratio tolerance (max) (ppm) ±500 Total Divider Voltage (max) (V) 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
  • High ratio matching precision: ±0.05 % (maximum)

  • Low drift: ±2 ppm/°C TCR (maximum)
  • Wide temperature range: –40°C to +125°C
  • High ratio matching precision: ±0.05 % (maximum)

  • Low drift: ±2 ppm/°C TCR (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 1 kΩ, 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 ±120 ppm (typical) of the nominal. This precision is maintained over the temperature range, with a maximum ratio drift of only ±2 ppm/°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 2.9 mm × 1.6 mm (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 1 kΩ, 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 ±120 ppm (typical) of the nominal. This precision is maintained over the temperature range, with a maximum ratio drift of only ±2 ppm/°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 2.9 mm × 1.6 mm (body size is a nominal value and does not include pins).
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* Data sheet RES11A Matched, Thin-Film Resistor Dividers With 1-kΩ Inputs datasheet PDF | HTML 15 Dec 2023
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

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