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Precision op amps (Vos<1mV)

OPA2828

ACTIVE

Dual, high-speed (45 MHz and 150 V/μs), 36-V, low-noise (4 nV/√Hz) RRO JFET operational amplifier

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Data sheet

OPA2828

ACTIVE
Data sheet Order now

Product details

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 8 Vos (offset voltage at 25°C) (max) (mV) 0.125 Offset drift (typ) (µV/°C) 0.3 Input bias current (max) (pA) 8 GBW (typ) (MHz) 45 Features MUX Friendly Slew rate (typ) (V/µs) 150 Rail-to-rail Out Iq per channel (typ) (mA) 5.5 Vn at 1 kHz (typ) (nV√Hz) 4 CMRR (typ) (dB) 115 Rating Catalog Operating temperature range (°C) -40 to 125 Iout (typ) (A) 0.03 Architecture FET Input common mode headroom (to negative supply) (typ) (V) 2.5 Input common mode headroom (to positive supply) (typ) (V) -3.5 Output swing headroom (to negative supply) (typ) (V) 0.9 Output swing headroom (to positive supply) (typ) (V) 0.9 THD + N at 1 kHz (typ) (%) 0.0000316
Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 8 Vos (offset voltage at 25°C) (max) (mV) 0.125 Offset drift (typ) (µV/°C) 0.3 Input bias current (max) (pA) 8 GBW (typ) (MHz) 45 Features MUX Friendly Slew rate (typ) (V/µs) 150 Rail-to-rail Out Iq per channel (typ) (mA) 5.5 Vn at 1 kHz (typ) (nV√Hz) 4 CMRR (typ) (dB) 115 Rating Catalog Operating temperature range (°C) -40 to 125 Iout (typ) (A) 0.03 Architecture FET Input common mode headroom (to negative supply) (typ) (V) 2.5 Input common mode headroom (to positive supply) (typ) (V) -3.5 Output swing headroom (to negative supply) (typ) (V) 0.9 Output swing headroom (to positive supply) (typ) (V) 0.9 THD + N at 1 kHz (typ) (%) 0.0000316
HVSSOP (DGN) 8 14.7 mm² (3 mm × 4.9 mm)
  • Low input voltage noise density: 4 nV/√Hz at 1 kHz
  • Input voltage noise: 0.1 Hz to 10 Hz: 60 nVRMS
  • Low input bias current:
    • 0.1 pA (DGN)
    • 1 pA (D)
  • Input offset voltage:
    • 25 µV (DGN)
    • 50 µV (D)
  • Input offset drift:
    • 0.2 µV/°C (DGN)
    • 0.45 µV/°C (D)
  • MUX-friendly inputs
  • Gain bandwidth: 45 MHz
  • Slew rate: 150 V/µs
  • 14-bit settling time: 120 ns
  • Overload power limiter
  • Wide supply voltage range: ±4 V to ±18 V
  • Packages:
    • D Package: 8-pin SOIC
    • DGN Package: 8-pin HVSSOP
  • Low input voltage noise density: 4 nV/√Hz at 1 kHz
  • Input voltage noise: 0.1 Hz to 10 Hz: 60 nVRMS
  • Low input bias current:
    • 0.1 pA (DGN)
    • 1 pA (D)
  • Input offset voltage:
    • 25 µV (DGN)
    • 50 µV (D)
  • Input offset drift:
    • 0.2 µV/°C (DGN)
    • 0.45 µV/°C (D)
  • MUX-friendly inputs
  • Gain bandwidth: 45 MHz
  • Slew rate: 150 V/µs
  • 14-bit settling time: 120 ns
  • Overload power limiter
  • Wide supply voltage range: ±4 V to ±18 V
  • Packages:
    • D Package: 8-pin SOIC
    • DGN Package: 8-pin HVSSOP

The OPA828 and OPA2828 ( OPAx828) JFET input operational amplifiers are the next generation OPA627 and OPA827, combining high speed with high dc precision and ac performance. These op amps supply low offset voltage, low drift over temperature, low bias current, and low noise with only 60-nVRMS 0.1-Hz to 10-Hz noise. The OPAx828 operate over a wide supply-voltage range of ±4 V to ±18 V and a supply current of 5.5 mA/channel, typical.

AC characteristics, including a 45-MHz gain bandwidth product (GBW), a slew rate of 150 V/µs, and precision dc characteristics, make the OPAx828 family an excellent choice for a variety of systems. These include high-speed and high-resolution data-acquisition systems, such as 16-bit to 18-bit mixed signal systems, transimpedance (I/V-conversion) amplifiers, filters, precision ±10-V front ends, and high-impedance sensor-interface applications.

The OPAx828 are available in an 8-pin SOIC package and a thermally enhanced, 8-pin HVSSOP PowerPAD™ integrated circuit package.

The OPA828 and OPA2828 ( OPAx828) JFET input operational amplifiers are the next generation OPA627 and OPA827, combining high speed with high dc precision and ac performance. These op amps supply low offset voltage, low drift over temperature, low bias current, and low noise with only 60-nVRMS 0.1-Hz to 10-Hz noise. The OPAx828 operate over a wide supply-voltage range of ±4 V to ±18 V and a supply current of 5.5 mA/channel, typical.

AC characteristics, including a 45-MHz gain bandwidth product (GBW), a slew rate of 150 V/µs, and precision dc characteristics, make the OPAx828 family an excellent choice for a variety of systems. These include high-speed and high-resolution data-acquisition systems, such as 16-bit to 18-bit mixed signal systems, transimpedance (I/V-conversion) amplifiers, filters, precision ±10-V front ends, and high-impedance sensor-interface applications.

The OPAx828 are available in an 8-pin SOIC package and a thermally enhanced, 8-pin HVSSOP PowerPAD™ integrated circuit package.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet OPAx828 Low-Offset, Low-Drift, Low-Noise, 45-MHz, 36-V, JFET-Input Operational Amplifiers datasheet (Rev. D) PDF | HTML Dec 29, 2022
Circuit design Circuit for protecting low-voltage SAR ADC from electrical overstress with minim (Rev. A) PDF | HTML Sep 19, 2024
White paper Op Amp Input and Output Swing Limitations PDF | HTML Dec 7, 2023
Application note Thermally-Enhanced Packages Improve Precision for Operational Amplifiers PDF | HTML May 26, 2023
Application brief Trade-offs Between CMOS, JFET, and Bipolar Input Stage Technology May 29, 2019
Application brief Simplify Transimpedance Applications with High-bandwidth, Precision JFET Op Amps May 21, 2019

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