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運算放大器 (op amps)
一般用途運算放大器

OPA322-Q1

現行

汽車級、單路、5.5-V、20-MHz、65-mA 輸出電流、低雜訊 (8.5-nV/√Hz) 運算放大器

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產品規格表

OPA322-Q1

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 1.8 Rail-to-rail In, Out GBW (typ) (MHz) 20 Slew rate (typ) (V/µs) 10 Vos (offset voltage at 25°C) (max) (mV) 2 Iq per channel (typ) (mA) 1.6 Vn at 1 kHz (typ) (nV√Hz) 8.5 Rating Automotive Operating temperature range (°C) -40 to 125 Offset drift (typ) (µV/°C) 1.8 Features Zero Crossover Input bias current (max) (pA) 800 CMRR (typ) (dB) 100 Iout (typ) (A) 0.065 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) 0.01 Output swing headroom (to positive supply) (typ) (V) -0.01
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 1.8 Rail-to-rail In, Out GBW (typ) (MHz) 20 Slew rate (typ) (V/µs) 10 Vos (offset voltage at 25°C) (max) (mV) 2 Iq per channel (typ) (mA) 1.6 Vn at 1 kHz (typ) (nV√Hz) 8.5 Rating Automotive Operating temperature range (°C) -40 to 125 Offset drift (typ) (µV/°C) 1.8 Features Zero Crossover Input bias current (max) (pA) 800 CMRR (typ) (dB) 100 Iout (typ) (A) 0.065 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) 0.01 Output swing headroom (to positive supply) (typ) (V) -0.01
SOT-23 (DBV) 5 8.12 mm² (2.9 mm × 2.8 mm)
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H3A
    • Device CDM ESD Classification Level C5
  • Gain Bandwidth: 20 MHz
  • Low Noise: 8.5 nV√Hz at 1 kHz
  • Slew Rate: 10 V/µs
  • Low THD+N: 0.0005%
  • Rail-to-Rail I/O
  • Offset Voltage: 2 mV (Maximum)
  • Supply Voltage: 1.8 V to 5.5 V
  • Supply Current:
    • Single-Supply Current: 1.6 mA/ch
    • Dual-Supply Current: 1.5 mA/ch
    • Quad-Supply Current: 1.4 mA/ch
  • Unity-Gain Stable
  • Small Packages:
    • SOT-23, VSSOP, TSSOP
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H3A
    • Device CDM ESD Classification Level C5
  • Gain Bandwidth: 20 MHz
  • Low Noise: 8.5 nV√Hz at 1 kHz
  • Slew Rate: 10 V/µs
  • Low THD+N: 0.0005%
  • Rail-to-Rail I/O
  • Offset Voltage: 2 mV (Maximum)
  • Supply Voltage: 1.8 V to 5.5 V
  • Supply Current:
    • Single-Supply Current: 1.6 mA/ch
    • Dual-Supply Current: 1.5 mA/ch
    • Quad-Supply Current: 1.4 mA/ch
  • Unity-Gain Stable
  • Small Packages:
    • SOT-23, VSSOP, TSSOP

The OPAx322-Q1 series consists of single-, dual-, and quad-channel CMOS operational amplifiers featuring low noise and rail-to-rail inputs and outputs optimized for low-power, single-supply applications. Specified over a wide supply range from 1.8 V to 5.5 V, the low quiescent current of only 1.5 mA per channel makes these devices well-suited for power-sensitive applications.

The combination of very-low noise (8.5 nV√Hz at 1 kHz), high-gain bandwidth (20 MHz), and fast slew rate (10 V/µs) make the OPAx322-Q1 family ideal for a wide range of applications, including signal conditioning and sensor amplification requiring high gains. Featuring low THD+N, the OPAx322-Q1 family is also excellent for consumer audio applications, particularly for single-supply systems.

The OPA322-Q1 (single version) is available in 5-pin SOT-23 package, while the OPA2322-Q1 (dual version) is offered in a 8-pin VSSOP package. The OPA4322-Q1 (quad version) is available in a 14-pin TSSOP package. All versions are specified for operation from –40°C to +125°C.

The OPAx322-Q1 series consists of single-, dual-, and quad-channel CMOS operational amplifiers featuring low noise and rail-to-rail inputs and outputs optimized for low-power, single-supply applications. Specified over a wide supply range from 1.8 V to 5.5 V, the low quiescent current of only 1.5 mA per channel makes these devices well-suited for power-sensitive applications.

The combination of very-low noise (8.5 nV√Hz at 1 kHz), high-gain bandwidth (20 MHz), and fast slew rate (10 V/µs) make the OPAx322-Q1 family ideal for a wide range of applications, including signal conditioning and sensor amplification requiring high gains. Featuring low THD+N, the OPAx322-Q1 family is also excellent for consumer audio applications, particularly for single-supply systems.

The OPA322-Q1 (single version) is available in 5-pin SOT-23 package, while the OPA2322-Q1 (dual version) is offered in a 8-pin VSSOP package. The OPA4322-Q1 (quad version) is available in a 14-pin TSSOP package. All versions are specified for operation from –40°C to +125°C.
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* 資料表 OPAx322-Q1 20-MHz, Low-Noise, 1.8-V, RRI/O, CMOS Operational Amplifier datasheet (Rev. B) PDF | HTML 2017/5/3

設計與開發

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開發板

AMP-PDK-EVM — 放大器性能開發套件評估模組

放大器性能開發套件 (PDK) 是一款評估模組 (EVM) 套件，可測試通用運算放大器 (op amp) 參數，並與大多數運算放大器和比較器相容。EVM 套件提供主板和多個插槽式子卡選項，可滿足封裝需求，使工程師能夠快速評估和驗證裝置性能。

AMP-PDK-EVM 套件支援五種最熱門的業界標準封裝，包括：

  • D (SOIC-8 和 SOIC-14)
  • PW (TSSOP-14)
  • DGK (VSSOP-8)
  • DBV (SOT23-5 和 SOT23-6)
  • DCK (SC70-5 和 SC70-6)
使用指南: PDF | HTML
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開發板

DIP-ADAPTER-EVM — DIP 轉接器評估模組

Speed up your op amp prototyping and testing with the DIP-Adapter-EVM, which provides a fast, easy and inexpensive way to interface with small, surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them directly to existing circuits.

The (...)

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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

OPAx322 PSpice Model (Rev. F)

SBOM888F.ZIP (30 KB) - PSpice 模型
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模擬型號

OPAx322 TINA-TI Reference Design (Rev. C)

SBOM455C (315 KB) - TINA-TI 參考設計
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模擬型號

OPAx322 TINA-TI Spice Model (Rev. C)

SBOM454C.ZIP (10 KB) - TINA-TI Spice 模型
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模擬型號

OPAx322-Q1 PSpice Model (Rev. A)

SBOMBW5A.ZIP (30 KB) - PSpice 模型
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模擬型號

OPAx322-Q1 TINA-TI Reference Design

SBOMBW6 (315 KB) - TINA-TI 參考設計
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模擬型號

OPAx322-Q1 TINA-TI Spice Model

SBOMBW7.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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SOT-23 (DBV) 5 Ultra Librarian
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