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運算放大器 (op amps)
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OPA1604

現行

四 SoundPlus 高性能、雙極輸入音訊運算放大器

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產品規格表

OPA1604

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) (min) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 GBW (typ) (MHz) 35 Slew rate (typ) (V/µs) 20 Rail-to-rail Out Vos (offset voltage at 25°C) (max) (mV) 1 Iq per channel (typ) (mA) 2.6 Vn at 1 kHz (typ) (nV√Hz) 2.5 Features Burr-Brown™ Audio, Premium Sound THD + N at 1 kHz (typ) (%) 0.00003 Rating Catalog Operating temperature range (°C) -40 to 85 Iout (typ) (A) 0.06 Product type Premier Architecture Bipolar CMRR (typ) (dB) 120 Input bias current (max) (pA) 200000
Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 GBW (typ) (MHz) 35 Slew rate (typ) (V/µs) 20 Rail-to-rail Out Vos (offset voltage at 25°C) (max) (mV) 1 Iq per channel (typ) (mA) 2.6 Vn at 1 kHz (typ) (nV√Hz) 2.5 Features Burr-Brown™ Audio, Premium Sound THD + N at 1 kHz (typ) (%) 0.00003 Rating Catalog Operating temperature range (°C) -40 to 85 Iout (typ) (A) 0.06 Product type Premier Architecture Bipolar CMRR (typ) (dB) 120 Input bias current (max) (pA) 200000
SOIC (D) 14 51.9 mm² (8.65 mm × 6 mm) TSSOP (PW) 14 32 mm² (5 mm × 6.4 mm)
  • SUPERIOR SOUND QUALITY
  • ULTRALOW NOISE: 2.5nV/√Hz at 1kHz
  • ULTRALOW DISTORTION: 0.00003% at 1kHz
  • HIGH SLEW RATE: 20V/µs
  • WIDE BANDWIDTH: 35MHz (G = +1)
  • HIGH OPEN-LOOP GAIN: 120dB
  • UNITY GAIN STABLE
  • LOW QUIESCENT CURRENT:
    2.6mA PER CHANNEL
  • RAIL-TO-RAIL OUTPUT
  • WIDE SUPPLY RANGE: ±2.25V to ±18V
  • DUAL AND QUAD VERSIONS AVAILABLE
  • SUPERIOR SOUND QUALITY
  • ULTRALOW NOISE: 2.5nV/√Hz at 1kHz
  • ULTRALOW DISTORTION: 0.00003% at 1kHz
  • HIGH SLEW RATE: 20V/µs
  • WIDE BANDWIDTH: 35MHz (G = +1)
  • HIGH OPEN-LOOP GAIN: 120dB
  • UNITY GAIN STABLE
  • LOW QUIESCENT CURRENT:
    2.6mA PER CHANNEL
  • RAIL-TO-RAIL OUTPUT
  • WIDE SUPPLY RANGE: ±2.25V to ±18V
  • DUAL AND QUAD VERSIONS AVAILABLE

The OPA1602 and OPA1604 bipolar-input operational amplifiers achieve very low 2.5nV/√Hz noise density with an ultralow distortion of 0.00003% at 1kHz. The OPA1602 and OPA1604 series of op amps offer rail-to-rail output swing to within 600mV with 2kΩ load, which increases headroom and maximizes dynamic range. These devices also have a high output drive capability of ±30mA.

These devices operate over a very wide supply range of ±2.25V to ±18V, on only 2.6mA of supply current per channel. The OPA1602 and OPA1604 are unity-gain stable and provide excellent dynamic behavior over a wide range of load conditions.

These devices also feature completely independent circuitry for lowest crosstalk and freedom from interactions between channels, even when overdriven or overloaded.

The OPA1602 and OPA1604 are specified from –40°C to +85°C.

The OPA1602 and OPA1604 bipolar-input operational amplifiers achieve very low 2.5nV/√Hz noise density with an ultralow distortion of 0.00003% at 1kHz. The OPA1602 and OPA1604 series of op amps offer rail-to-rail output swing to within 600mV with 2kΩ load, which increases headroom and maximizes dynamic range. These devices also have a high output drive capability of ±30mA.

These devices operate over a very wide supply range of ±2.25V to ±18V, on only 2.6mA of supply current per channel. The OPA1602 and OPA1604 are unity-gain stable and provide excellent dynamic behavior over a wide range of load conditions.

These devices also feature completely independent circuitry for lowest crosstalk and freedom from interactions between channels, even when overdriven or overloaded.

The OPA1602 and OPA1604 are specified from –40°C to +85°C.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 SoundPLUS™ High-Performance, Bipolar-Input Audio Op Amp datasheet (Rev. B) 2011/11/28
應用說明 How to Measure Total Harmonic Distortion of an Op-Amp and THD + N Fundamentals PDF | HTML 2023/11/9
Application brief Understanding Op Amp Noise in Audio Circuits PDF | HTML 2021/6/14
電子書 The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML 2017/3/28
電子書 Analog Engineer’s Pocket Reference Guide Fifth Edition (Rev. D) PDF | HTML 2014/9/30

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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
支援產品和硬體
模擬型號

OPA160x PSpice Model (Rev. C)

SBOMAS5C.ZIP (30 KB) - PSpice 模型
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模擬型號

OPA160x TINA-TI Reference Design (Rev. B)

SBOMAS6B (309 KB) - TINA-TI 參考設計
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模擬型號

OPA160x TINA-TI Spice Model (Rev. D)

SBOM453D.ZIP (11 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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參考設計

TIPD134 — 適用於雙音路喇叭的類比、主動分頻電路

此 TI 驗證設計實作了適用於 2 音路揚聲器的類比主動分音解決方案，非常適合錄音室或家庭高傳真系統。低音揚聲器訊號路徑包含用於障板步階補償的低通擱架電路，以及 4 階 Linkwitz-Riley 低通濾波器。高音揚聲器訊號路徑包含 4階 Linkwitz-Riley 高通濾波器、用於時間對齊的 3階全通濾波器，以及輸出衰減與緩衝。

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參考設計

TIPD136 — 適用於專業音訊的主動音量控制

此 TI 驗證設計實作了分離電源的高性能音量控制，可衰減專業線路準位音訊訊號，且失真與雜訊極小。輸入緩衝器可保持系統的行為，使其不受音訊輸入來源阻抗的影響。電路前端的射頻 (RF) 濾波器可消除音訊頻帶外部的雜訊，而雙向暫態電壓抑制器 (TVS) 二極體則可防止過壓突波。

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封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOIC (D) 14 Ultra Librarian
TSSOP (PW) 14 Ultra Librarian
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