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OPA4396

現行

四路、微功耗 (24μA)、低偏移 (100μV)、高速度功率比 RRIO 運算放大器

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OPA4396

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 1.7 Vos (offset voltage at 25°C) (max) (mV) 0.1 Offset drift (typ) (µV/°C) 1 Input bias current (max) (pA) 10 GBW (typ) (MHz) 1 Features e-Trim™ Slew rate (typ) (V/µs) 1 Rail-to-rail In, Out Iq per channel (typ) (mA) 0.0235 Vn at 1 kHz (typ) (nV√Hz) 60 CMRR (typ) (dB) 121 Rating Catalog Operating temperature range (°C) -40 to 125 Iout (typ) (A) 0.06 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.1 Input common mode headroom (to positive supply) (typ) (V) 0.1 Output swing headroom (to negative supply) (typ) (V) -0.1 Output swing headroom (to positive supply) (typ) (V) 0.1 THD + N at 1 kHz (typ) (%) 0.002
Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 1.7 Vos (offset voltage at 25°C) (max) (mV) 0.1 Offset drift (typ) (µV/°C) 1 Input bias current (max) (pA) 10 GBW (typ) (MHz) 1 Features e-Trim™ Slew rate (typ) (V/µs) 1 Rail-to-rail In, Out Iq per channel (typ) (mA) 0.0235 Vn at 1 kHz (typ) (nV√Hz) 60 CMRR (typ) (dB) 121 Rating Catalog Operating temperature range (°C) -40 to 125 Iout (typ) (A) 0.06 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.1 Input common mode headroom (to positive supply) (typ) (V) 0.1 Output swing headroom (to negative supply) (typ) (V) -0.1 Output swing headroom (to positive supply) (typ) (V) 0.1 THD + N at 1 kHz (typ) (%) 0.002
TSSOP (PW) 14 32 mm² (5 mm × 6.4 mm)
  • Low IQ: 23.5µA
  • Gain bandwidth product: 1MHz
  • Low input bias current: 10fA (typical)
  • Low offset voltage: ±100µV (maximum)
  • Low drift: ±1.2µV/°C
  • Low supply voltage operation: 1.7V to 5.5V
  • Input common mode range ±100mV beyond rail
  • Fast slew rate: 1V/µs
  • High load capacitance drive
  • High output current drive: 60mA
  • Rail-to-rail output
  • EMI/RFI filtered inputs
  • Low IQ: 23.5µA
  • Gain bandwidth product: 1MHz
  • Low input bias current: 10fA (typical)
  • Low offset voltage: ±100µV (maximum)
  • Low drift: ±1.2µV/°C
  • Low supply voltage operation: 1.7V to 5.5V
  • Input common mode range ±100mV beyond rail
  • Fast slew rate: 1V/µs
  • High load capacitance drive
  • High output current drive: 60mA
  • Rail-to-rail output
  • EMI/RFI filtered inputs

The OPA396, OPA2396, and OPA4396 (OPAx396) feature a combination of high bandwidth (1MHz) along with very low quiescent current (23.5µA) in a high-precision amplifier. These features combined with rail-to-rail input and output make these devices an excellent choice in high-gain, low-power applications. An ultra-low input bias current of 10fA, 100µV of offset (maximum), and 1.2µV/°C of drift over temperature help maintain high precision in ratiometric and amperometric sensor front ends that have demanding low-power requirements.

The OPAx396 use Texas Instrument’s proprietary e‑trim™ operational amplifier technology, enabling a unique combination of ultra-low offset and low input offset drift without the need for any input switching or auto-zero techniques. The CMOS-based technology platform also features a modern, robust output stage design that is tolerant of high output capacitance, alleviating stability problems that are common in typical low-power amplifiers.

The OPA396, OPA2396, and OPA4396 (OPAx396) feature a combination of high bandwidth (1MHz) along with very low quiescent current (23.5µA) in a high-precision amplifier. These features combined with rail-to-rail input and output make these devices an excellent choice in high-gain, low-power applications. An ultra-low input bias current of 10fA, 100µV of offset (maximum), and 1.2µV/°C of drift over temperature help maintain high precision in ratiometric and amperometric sensor front ends that have demanding low-power requirements.

The OPAx396 use Texas Instrument’s proprietary e‑trim™ operational amplifier technology, enabling a unique combination of ultra-low offset and low input offset drift without the need for any input switching or auto-zero techniques. The CMOS-based technology platform also features a modern, robust output stage design that is tolerant of high output capacitance, alleviating stability problems that are common in typical low-power amplifiers.

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* 資料表 OPAx396 Precision, Low IQ , Low Input Bias Current Op Amps datasheet (Rev. A) PDF | HTML 2026/3/9

設計與開發

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開發板

DIYAMP-EVM — 通用自製 (DIY) 放大器電路評估模組

DIYAMP-EVM 是一系列評估模組 (EVM)，提供工程師與自組愛好者 (DIYers) 實作型放大器電路，協助快速驗證設計概念並模擬結果。提供三種業界標準封裝（SC70、SOT-23 和 SOIC）與 12 種常見放大器配置，支援單電源與雙電源架構的放大器、濾波器、穩定補償與比較器應用。

DIYAMP-EVM 可快速製作電路原型，並採用常見的 0805 或 0603 表面裝載元件。透過多種組合方式，此 EVM 可建立從簡單放大器電路到複雜訊號鏈的各種評估電路。此 EVM 支援模擬板、超微型 A 版 (SMA)、接頭和有線介面連接方式，並與大多數類比數位轉換器 (ADC) (...)

使用指南: PDF | HTML
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模擬型號

OPAx396 PSpice Model (Rev. A)

SBOMBT2A.ZIP (28 KB) - PSpice 模型
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模擬型號

OPAx396 TINA-TI Reference Design

SBOMBT4 (333 KB) - TINA-TI 參考設計
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模擬型號

OPAx396 TINA-TI SPICE Model

SBOMBT3.ZIP (10 KB) - TINA-TI Spice 模型
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計算工具

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

類比工程師的計算機旨在加速類比電路設計工程師定期使用的許多重複計算。此基於 PC 的工具提供圖形介面，列出各種常見計算，從使用回饋電阻器設定運算放大器增益到選擇適當的電路設計元件以穩定類比數位轉換器 (ADC) 驅動緩衝電路。

除了作為獨立工具使用外，此計算機還與類比工程師口袋參考中描述的概念相得益彰。

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