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OPA843中文资料宽带、低失真、中增益、电压反馈运算放大器数据手册TI规格书

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厂商型号

OPA843

功能描述

宽带、低失真、中增益、电压反馈运算放大器

制造商

TI Texas Instruments

中文名称

德州仪器

数据手册

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更新时间

2026-2-2 14:30:00

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OPA843规格书详情

描述 Description

The OPA843 provides a level of speed and dynamic range previously unattainable in a monolithic op amp. Using a high Gain Bandwidth (GBW), two gain-stage design, the OPA843 gives a medium gain range device with exceptional dynamic range. The \"classic\" differential input complements this high dynamic range with DC precision beyond most high-speed amplifier products. Very low input offset voltage and current, high Common-Mode Rejection Ratio (CMRR) and Power-Supply Rejection Ratio (PSRR), and high open-loop gain combine to give a high DC precision amplifier along with low noise and high 3rd-order intercept.

12- to 16-bit converter interfaces will benefit from this combination of features. High-speed transimpedance applications can be implemented with exceptional DC precision as well. Differential configurations using two OPA843s can deliver very low distortion to high output voltages, as shown below.

特性 Features

• HIGH BANDWIDTH: 260MHz (G = +5)
• GAIN BANDWIDTH PRODUCT: 800MHz
• LOW INPUT VOLTAGE NOISE: 2.0nV/√Hz
• VERY LOW DISTORTION: –96dBc (5MHz)
• HIGH OPEN-LOOP GAIN: 110dB
• FAST 12-BIT SETTLING: 10.5ns (0.01%)
• LOW INPUT OFFSET VOLTAGE: 300µV
• OUTPUT CURRENT: ±100mA
• APPLICATIONS
• ADC/DAC BUFFER AMPLIFIER
• LOW DISTORTION \"IF\" AMPLIFIER
• ACTIVE FILTERS
• LOW-NOISE RECEIVER
• WIDEBAND TRANSIMPEDANCE
• TEST INSTRUMENTATION
• PROFESSIONAL AUDIO
• OPA643 UPGRADE

技术参数

  • 制造商编号

    :OPA843

  • 生产厂家

    :TI

  • Number of channels (#)

    :1

  • GBW (Typ) (MHz)

    :800

  • BW @ Acl (MHz)

    :500

  • Slew rate (Typ) (V/us)

    :1000

  • Vn at flatband (Typ) (nV/rtHz)

    :2

  • Vn at 1 kHz (Typ) (nV/rtHz)

    :2

  • Iq per channel (Typ) (mA)

    :20.2

  • Vos (offset voltage @ 25 C) (Max) (mV)

    :1.2

  • Rail-to-rail

    :No

  • Features

    :Decompensated

  • Rating

    :Catalog

  • Operating temperature range (C)

    :-40 to 85

  • CMRR (Typ) (dB)

    :95

  • Input bias current (Max) (pA)

    :35000000

  • Offset drift (Typ) (uV/C)

    :4

  • Output current (Typ) (mA)

    :100

  • 2nd harmonic (dBc)

    :76

  • 3rd harmonic (dBc)

    :102

  • @ MHz

    :5

供应商 型号 品牌 批号 封装 库存 备注 价格
TI
22+
8SOIC
9000
原厂渠道,现货配单
询价
TI(德州仪器)
23+
NA
20094
正纳10年以上分销经验原装进口正品做服务做口碑有支持
询价
TI
23+
SOT23-5
10000
正规渠道,只有原装!
询价
TI
24+
SMD
85450
TI一级代理商原装进口现货
询价
TI
23+
N/A
560
原厂原装
询价
TI
25+
SOP8
90000
一级代理商进口原装现货、价格合理
询价
TI/德州仪器
22+
SOIC-8
18000
原装正品
询价
TI
20+
SOP8
35830
原装优势主营型号-可开原型号增税票
询价
TI
23+
8-SOIC
65480
询价
TI/德州仪器
SOIC-8_150mil
6000
只做原装正品,卖元器件不赚钱交个朋友
询价