Datasheet > OPA843IDR

OPA843IDR

更新时间： 2024-11-22 22:15:15

品牌	Logo	应用领域
BB		运算放大器光电二极管
页数	文件大小	规格书
22页	375K
描述
Wideband, Low Distortion, Medium Gain, Voltage-Feedback OPERATIONAL AMPLIFIER

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OPA843IDR 数据手册

OPA843

SBOS268A – DECEMBER 2002 – OCTOBER 2003

Wideband, Low Distortion, Medium Gain,

Voltage-Feedback OPERATIONAL AMPLIFIER

DESCRIPTION

FEATURES

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.

● 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

12- to 16-bit converter interfaces will benefit from this combi-

nation 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.

APPLICATIONS

● ADC/DAC BUFFER AMPLIFIER

● LOW DISTORTION “IF” AMPLIFIER

● ACTIVE FILTERS

● LOW-NOISE RECEIVER

OPA843 RELATED PRODUCTS

● WIDEBAND TRANSIMPEDANCE

● TEST INSTRUMENTATION

● PROFESSIONAL AUDIO

INPUT NOISE

GAIN-BANDWIDTH

PRODUCT (MHz)

√Hz

SINGLES

VOLTAGE (nV/

)

OPA842

OPA846

OPA847

2.6

1.2

200

1750

3900

0.85

● OPA643 UPGRADE

+5V

DIFFERENTIAL DISTORTION vs OUTPUT VOLTAGE

OPA843

–85

–90

G_D= 10

R_L= 400Ω

F = 5MHz

–5V

40.2Ω

402Ω

1:1

V_I

–95

R_L

132Ω

V_O= 10V_I

50Ω

2nd-Harmonic

402Ω

400Ω

–100

–105

–110

3rd-Harmonic

+5V

OPA843

–5V

Output Voltage Swing (Vp-p)

Very Low Distortion Differential Driver

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

12 3 4 5 6 7...22

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与OPA843IDR相关器件

型号	品牌	获取价格	描述	数据表
OPA846	TI	获取价格	Wideband, Low-Noise, Voltage-Feedback OPERATIONAL AMPLIFIER
OPA846-DIE	TI	获取价格	宽带、低噪声、电压反馈运算放大器，OPA846-DIE
OPA846ID	TI	获取价格	Wideband, Low-Noise, Voltage-Feedback OPERATIONAL AMPLIFIER
OPA846IDBVR	TI	获取价格	Wideband, Low-Noise, Voltage-Feedback OPERATIONAL AMPLIFIER
OPA846IDBVRG4	TI	获取价格	Wideband, Low Noise, Voltage Feedback Operational Amplifier 5-SOT-23 -40 to 85
OPA846IDBVT	TI	获取价格	Wideband, Low-Noise, Voltage-Feedback OPERATIONAL AMPLIFIER
OPA846IDBVTG4	TI	获取价格	宽带、低噪声、电压反馈运算放大器 \| DBV \| 5 \| -40 to 85
OPA846IDG4	TI	获取价格	Wideband, Low Noise, Voltage Feedback Operational Amplifier 8-SOIC -40 to 85
OPA846IDR	TI	获取价格	Wideband, Low-Noise, Voltage-Feedback OPERATIONAL AMPLIFIER
OPA846IDRG4	TI	获取价格	Wideband, Low Noise, Voltage Feedback Operational Amplifier 8-SOIC -40 to 85

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