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OPA1S2385

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CMOS-Transimpedanzverstärker (TIA), 250 MHz, mit integriertem Active-Low-Schalter und Puffer

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Datenblatt

OPA1S2385

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Number of channels 2 GBW (typ) (MHz) 100 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Vos (offset voltage at 25°C) (max) (mV) 8 Rail-to-rail In, Out Features Small Size BW at Acl (MHz) 250 Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 2 GBW (typ) (MHz) 100 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Vos (offset voltage at 25°C) (max) (mV) 8 Rail-to-rail In, Out Features Small Size BW at Acl (MHz) 250 Operating temperature range (°C) -40 to 85 Rating Catalog
VSON (DRC) 10 9 mm² (3 mm × 3 mm)
  • Wide Bandwidth: 250 MHz
  • High Slew Rate: 150 V/µs
  • Rail-to-Rail Input/Output (I/O)
  • Fast Settling
  • Low Input Bias Current: 3 pA
  • High Input Impedance: 1013 Ω || 2 pF
  • SPST Switch:
    • Low On-Resistance: 4 Ω
    • Low Charge Injection: 1 pC
    • Low Leakage Current: 10 pA
  • Flexible Configuration:
    • Transimpedance Gain
    • External Hold Capacitor
    • Post-Gain
  • Single Supply: +2.7 V to +5.5 V
  • Quiescent Current: 9.2 mA
  • Small Package: 3-mm × 3-mm SON-10
  • OPA1S2384: Internal Switch Active High
  • OPA1S2385: Internal Switch Active Low
  • Wide Bandwidth: 250 MHz
  • High Slew Rate: 150 V/µs
  • Rail-to-Rail Input/Output (I/O)
  • Fast Settling
  • Low Input Bias Current: 3 pA
  • High Input Impedance: 1013 Ω || 2 pF
  • SPST Switch:
    • Low On-Resistance: 4 Ω
    • Low Charge Injection: 1 pC
    • Low Leakage Current: 10 pA
  • Flexible Configuration:
    • Transimpedance Gain
    • External Hold Capacitor
    • Post-Gain
  • Single Supply: +2.7 V to +5.5 V
  • Quiescent Current: 9.2 mA
  • Small Package: 3-mm × 3-mm SON-10
  • OPA1S2384: Internal Switch Active High
  • OPA1S2385: Internal Switch Active Low

The OPA1S2384 and OPA1S2385 (OPA1S238x) combine high bandwidth, FET-input operational amplifiers with a fast SPST CMOS switch designed for applications that require the tracking and capturing of fast signals.

By providing a 250-MHz gain bandwidth product and rail-to-rail input/output swings in single-supply operation, the OPA1S238x is capable of wideband transimpedance gain and large output signal swing simultaneously. Low input bias current and voltage noise (6 nV/√Hz) make it possible to amplify extremely low-level input signals for maximum signal-to-noise ratio.

The characteristics of the OPA1S238x make this device ideally suited for use as a wideband photodiode amplifier.

In addition, the CMOS switch and subsequent buffer amplifier allow the OPA1S238x to be easily configured as a fast sample-and-hold circuit. The external hold capacitor and post-gain options make the OPA1S238x easily adoptable to a wide range of speed and accuracy requirements. Note that the OPA1S2384 closes the internal switch with a logic-high signal, and the OPA1S2385 closes the internal switch with a logic-low signal.

The OPA1S238x are optimized for low-voltage operation from as low as +2.7 V up to +5.5 V. These devices are specified for a temperature range of –40°C to +85°C.

The OPA1S2384 and OPA1S2385 (OPA1S238x) combine high bandwidth, FET-input operational amplifiers with a fast SPST CMOS switch designed for applications that require the tracking and capturing of fast signals.

By providing a 250-MHz gain bandwidth product and rail-to-rail input/output swings in single-supply operation, the OPA1S238x is capable of wideband transimpedance gain and large output signal swing simultaneously. Low input bias current and voltage noise (6 nV/√Hz) make it possible to amplify extremely low-level input signals for maximum signal-to-noise ratio.

The characteristics of the OPA1S238x make this device ideally suited for use as a wideband photodiode amplifier.

In addition, the CMOS switch and subsequent buffer amplifier allow the OPA1S238x to be easily configured as a fast sample-and-hold circuit. The external hold capacitor and post-gain options make the OPA1S238x easily adoptable to a wide range of speed and accuracy requirements. Note that the OPA1S2384 closes the internal switch with a logic-high signal, and the OPA1S2385 closes the internal switch with a logic-low signal.

The OPA1S238x are optimized for low-voltage operation from as low as +2.7 V up to +5.5 V. These devices are specified for a temperature range of –40°C to +85°C.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt 250-MHz, CMOS Transimpedance Amplifier (TIA) with Integrated Switch and Buffer datasheet (Rev. A) 24.06.2013
E-book The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML 28.03.2017

Design und Entwicklung

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Evaluierungsplatine

OPA1S2385EVM — OPA1S2385-Evaluierungsmodul

The OPA1S2385EVM is intended to provide basic functional evaluation of the OPA1S2385. It provides thefollowing features:

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Simulationsmodell

OPA1S2385 TINA-TI Reference Design

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Simulationsmodell

OPA1S2385 TINA-TI Spice Model

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Berechnungstool

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