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OPA4863

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Energieeffizienter Vierfach-110-MHz-RRIO-Verstärker mit Spannungsrückkopplung

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OPA4863

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Produktdetails

Architecture Voltage FB Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12.6 GBW (typ) (MHz) 50 BW at Acl (MHz) 110 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 105 Vn at flatband (typ) (nV√Hz) 5.9 Vn at 1 kHz (typ) (nV√Hz) 5.9 Iq per channel (typ) (mA) 0.7 Vos (offset voltage at 25°C) (max) (mV) 1.3 Rail-to-rail In, Out Features Output short-circuit protection, Overload power limit, Shutdown Rating Catalog Operating temperature range (°C) -40 to 125 CMRR (typ) (dB) 120 Input bias current (max) (pA) 730000 Offset drift (typ) (µV/°C) 1 Iout (typ) (mA) 30 2nd harmonic (dBc) -129 3rd harmonic (dBc) -138 Frequency of harmonic distortion measurement (MHz) 0.02
Architecture Voltage FB Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12.6 GBW (typ) (MHz) 50 BW at Acl (MHz) 110 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 105 Vn at flatband (typ) (nV√Hz) 5.9 Vn at 1 kHz (typ) (nV√Hz) 5.9 Iq per channel (typ) (mA) 0.7 Vos (offset voltage at 25°C) (max) (mV) 1.3 Rail-to-rail In, Out Features Output short-circuit protection, Overload power limit, Shutdown Rating Catalog Operating temperature range (°C) -40 to 125 CMRR (typ) (dB) 120 Input bias current (max) (pA) 730000 Offset drift (typ) (µV/°C) 1 Iout (typ) (mA) 30 2nd harmonic (dBc) -129 3rd harmonic (dBc) -138 Frequency of harmonic distortion measurement (MHz) 0.02
TSSOP (PW) 14 32 mm² 5 x 6.4
  • Wide-bandwidth
    • Unity-gain bandwidth: 110-MHz (A V= 1 V/V)
    • Gain-bandwidth product: 50-MHz
  • Low power
    • Quiescent current: 700-µA/ch (typical)
    • Power down mode: 1.5-µA (maximum, V S= 3 V)
    • Supply voltage: 2.7-V to 12.6-V
  • Input voltage noise: 5.9-nV/√Hz
  • Slew rate: 105-V/µs
  • Rail-to-rail input and output
  • HD 2/HD 3: –129 dBc/–138 dBc at 20 kHz (2-V PP)
  • Operating temperature range: –40°C to +125°C
  • Additional features:
    • Overload power limit
    • Output short-circuit protection
  • High-precision version: OPAx863A
  • Wide-bandwidth
    • Unity-gain bandwidth: 110-MHz (A V= 1 V/V)
    • Gain-bandwidth product: 50-MHz
  • Low power
    • Quiescent current: 700-µA/ch (typical)
    • Power down mode: 1.5-µA (maximum, V S= 3 V)
    • Supply voltage: 2.7-V to 12.6-V
  • Input voltage noise: 5.9-nV/√Hz
  • Slew rate: 105-V/µs
  • Rail-to-rail input and output
  • HD 2/HD 3: –129 dBc/–138 dBc at 20 kHz (2-V PP)
  • Operating temperature range: –40°C to +125°C
  • Additional features:
    • Overload power limit
    • Output short-circuit protection
  • High-precision version: OPAx863A

The OPAx863 devices are low-power, unity-gain stable, rail-to-rail input and output, voltage-feedback operational amplifiers designed to operate over a power-supply range of 2.7 V to 12.6 V. Consuming only 700 µA per channel, the OPAx863 offers a gain-bandwidth product of 50 MHz, slew rate of 105 V/µs with a voltage noise density of 5.9 nV/√Hz.

The rail-to-rail input stage with 2.7-V supply operation is useful in portable, battery-powered applications. The rail-to-rail input stage is well-matched for gain-bandwidth product and noise across the full input common‑mode voltage range, enabling excellent performance with wide-input dynamic range. The OPAx863 feature a power-down (PD) mode with a PD quiescent current (I Q) of 1.5-µA (maximum) and a turn-on or turn-off time within 6.5-µs using a 3-V supply.

The OPAx863 includes overload power limiting to limit the increase in I Q with saturated outputs, thereby preventing excessive power dissipation in power-conscious, battery-operated systems. The output stage is short-circuit protected, making these devices conducive to ruggedized environments.

The OPAx863 devices are low-power, unity-gain stable, rail-to-rail input and output, voltage-feedback operational amplifiers designed to operate over a power-supply range of 2.7 V to 12.6 V. Consuming only 700 µA per channel, the OPAx863 offers a gain-bandwidth product of 50 MHz, slew rate of 105 V/µs with a voltage noise density of 5.9 nV/√Hz.

The rail-to-rail input stage with 2.7-V supply operation is useful in portable, battery-powered applications. The rail-to-rail input stage is well-matched for gain-bandwidth product and noise across the full input common‑mode voltage range, enabling excellent performance with wide-input dynamic range. The OPAx863 feature a power-down (PD) mode with a PD quiescent current (I Q) of 1.5-µA (maximum) and a turn-on or turn-off time within 6.5-µs using a 3-V supply.

The OPAx863 includes overload power limiting to limit the increase in I Q with saturated outputs, thereby preventing excessive power dissipation in power-conscious, battery-operated systems. The output stage is short-circuit protected, making these devices conducive to ruggedized environments.
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* Data sheet OPAx863 Low-Power, 110-MHz, Rail-to-Rail Input/Output Voltage-Feedback Op Amps datasheet (Rev. J) PDF | HTML 14 Jun 2023

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