Datasheet > OPA689U/2K5

OPA689U/2K5

更新时间： 2024-11-22 23:24:27

品牌	Logo	应用领域
其他 - ETC		运算放大器光电二极管
页数	文件大小	规格书
17页	184K
描述
Voltage-Feedback Operational Amplifier

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数据手册

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OPA689U/2K5 数据手册

OPA689

For most current data sheet and other product

information, visit www.burr-brown.com

Wideband, High Gain

VOLTAGE LIMITING AMPLIFIER

APPLICATIONS

FEATURES

● TRANSIMPEDANCE WITH FAST

● HIGH LINEARITY NEAR LIMITING

● FAST RECOVERY FROM OVERDRIVE: 2.4ns

● LIMITING VOLTAGE ACCURACY: ±15mV

● –3dB BANDWIDTH (G = +6): 280MHz

● STABLE FOR G ≥ +4

OVERDRIVE RECOVERY

● FAST LIMITING ADC INPUT DRIVER

● LOW PROP DELAY COMPARATOR

● NON-LINEAR ANALOG SIGNAL

PROCESSING

● SLEW RATE: 1600V/µs

● DIFFERENCE AMPLIFIER

● IF LIMITING AMPLIFIER

● AM SIGNAL GENERATION

● ±5V AND +5V SUPPLY OPERATION

● LOW GAIN VERSION: OPA688

DESCRIPTION

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 op amp

applications.

The OPA689 is a wideband, voltage feedback op amp

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 ±15mV. The op amp operates

linearly to within 30mV of the limits.

Non-linear analog signal processing circuits will benefit

from the OPA689’s sharp transition from linear operation

to output limiting. The quick recovery time supports high

speed applications.

The combination of narrow nonlinear range and low

limiting offset allows the limiting voltages to be set within

100mV of the desired linear output range. A fast 2.4ns

recovery from limiting ensures that overdrive signals will

be transparent to the signal channel. Implementing the

The OPA689 is available in an industry-standard pinout

in PDIP-8 and SO-8 packages. For lower gain applica-

tions requiring output limiting with fast recovery, con-

sider the OPA688.

DETAIL OF LIMITED OUTPUT VOLTAGE

2.10

LIMITED OUTPUT RESPONSE

2.5

G = +6

V_H= 2.0V

V_L= –2.0V

2.05

2.00

2.0

1.5

1.0

V_O

1.95

V_IN

V_O

1.90

0.5

1.85

1.80

1.75

1.70

1.65

–0.5

–1.0

–1.5

–2.0

–2.5

1.60

Time (50ns/div)

Time (200ns/div)

International Airport Industrial Park

•

Mailing Address: PO Box 11400, Tucson, AZ 85734

•

Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706

• Tel: (520) 746-1111

Twx: 910-952-1111 Internet: http://www.burr-brown.com/

•

Cable: BBRCORP Telex: 066-6491

•

FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132

•

PDS-11409D

rin

ted

U.S.A. January, 2000

SBOS076

12 3 4 5 6 7...17

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与OPA689U/2K5相关器件

型号	品牌	获取价格	描述	数据表
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
OPA690IDBVTG4	TI	获取价格	具有禁用功能的宽带电压反馈运算放大器 \| DBV \| 6 \| -40 to 85
OPA690IDG4	TI	获取价格	具有禁用功能的宽带电压反馈运算放大器 \| D \| 8 \| -40 to 85
OPA690IDR	TI	获取价格	Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable
OPA690IDRG4	TI	获取价格	具有禁用功能的宽带电压反馈运算放大器 \| D \| 8 \| -40 to 85

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