OPA689M

更新时间： 2024-09-17 12:21:47

品牌	Logo	应用领域
德州仪器 - TI		放大器
页数	文件大小	规格书
22页	269K
描述
GAIN 4 STABLE WIDEBAND VOLTAGE-LIMITING AMPLIFIER

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OPA689M 数据手册

OPA689M

GAIN +4 STABLE WIDEBAND

VOLTAGE-LIMITING AMPLIFIER

www.ti.com

SGLS146B–MARCH 2003–REVISED DECEMBER 2006

FEATURES

APPLICATIONS

•

Transimpedance With Fast Overdrive

Recovery

•

High Linearity Near Limiting

Fast Recovery From Overdrive: 2.4 ns

Limiting Voltage Accuracy: ±15 mV

–3-dB Bandwidth (G = 6): 260 MHz

Stable for G ≥ 4

•

Fast Limiting ADC Input Buffers

Low Propagation Delay Comparator

Non-Linear Analog Signal Processing

Difference Amplifier

IF Limiting Amplifier

AM Signal Generation

Slew Rate: 1400 V/µs

±5-V and 5-V Supply Operation

High-Gain Version of OPA688

JD PACKAGE

(TOP VIEW)

INVERTING INPUT

NON-INVERTING INPUT

−VCC

+VCC

OUTPUT

NC - No internal connection

DESCRIPTION/ORDERING INFORMATION

The OPA689 is a wideband, voltage-feedback operational amplifier that offers bipolar output voltage limiting, and

is stable for gains ≥4. Two buffered limiting voltages take control of the output when it attempts to drive beyond

these limits. This new output limiting architecture holds the limiter offset error to ±15 mV. The operational

amplifier operates linearly to within 30 mV of the limits.

The combination of narrow nonlinear range and low limiting offset allows the limiting voltages to be set within

100 mV of the desired linear output range. A fast 2.4-ns recovery from limiting ensures that overdrive signals are

transparent to the signal channel. Implementing the limiting function at the output, as opposed to the input, gives

the specified limiting accuracy for any gain, and allows the OPA689 to be used in all standard operational

amplifier applications.

Nonlinear analog signal processing circuits benefit from the OPA689's sharp transition from linear operation to

output limiting. The quick recovery time supports high-speed applications.

The OPA689M is available in an industry-standard pinout in a CDIP-8 package. For lower gain applications

requiring output limiting with fast recovery, consider the OPA688M.

ORDERING INFORMATION

T_A

PACKAGE⁽¹⁾

ORDERABLE PART NUMBER

TOP-SIDE MARKING

–55°C to 125°C

CDIP – JD

Tube

OPA689MJD

(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at

www.ti.com/sc/package.

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.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...22

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与OPA689M相关器件

型号	品牌	获取价格	描述	数据表
OPA689MJD	TI	获取价格	GAIN 4 STABLE WIDEBAND VOLTAGE-LIMITING AMPLIFIER
OPA689P	BB	获取价格	Wideband, High Gain VOLTAGE LIMITING AMPLIFIER
OPA689U	BB	获取价格	Wideband, High Gain VOLTAGE LIMITING AMPLIFIER
OPA689U/2K5	ETC	获取价格	Voltage-Feedback Operational Amplifier
OPA690	BB	获取价格	Low-Power, Single-Supply, Wideband Operational Amplifier
OPA690	TI	获取价格	Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable
OPA690ID	TI	获取价格	Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable
OPA690IDBVR	TI	获取价格	Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable
OPA690IDBVRG4	TI	获取价格	Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable
OPA690IDBVT	TI	获取价格	Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable

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