OPA690

更新时间： 2024-11-06 22:26:47

品牌	Logo	应用领域
德州仪器 - TI		运算放大器
页数	文件大小	规格书
24页	408K
描述
Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable

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数据手册

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OPA690 数据手册

OPA690

SBOS223A—DECEMBER 2001 – REVISED JULY 2002

Wideband, Voltage Feedback

OPERATIONAL AMPLIFIER With Disable

FEATURES

APPLICATIONS

● FLEXIBLE SUPPLY RANGE:

● VIDEO LINE DRIVER

+5V to +12V Single Supply

● xDSL LINE DRIVER/RECEIVER

● HIGH SPEED IMAGING CHANNELS

● ADC BUFFERS

● PORTABLE INSTRUMENTS

● TRANSIMPEDANCE AMPLIFIERS

● ACTIVE FILTERS

±2.5V to ±5V Dual Supply

● UNITY-GAIN STABLE: 500MHz (G = 1)

● HIGH OUTPUT CURRENT: 190mA

● OUTPUT VOLTAGE SWING: ±4.0V

● HIGH SLEW RATE: 1800V/µs

● LOW SUPPLY CURRENT: 5.5mA

● LOW DISABLED CURRENT: 100µA

● OPA680 UPGRADE

● WIDEBAND +5V OPERATION: 220MHz (G = 2)

The OPA690’s low 5.5mA supply current is precisely trimmed

at 25°C. This trim, along with low temperature drift, gives

lower maximum supply current than competing products.

System power may be reduced further using the optional

disable control pin. Leaving this disable pin open, or holding

it HIGH, will operate the OPA690 normally. If pulled LOW,

the OPA690 supply current drops to less than 100µA while

the output goes to a high impedance state. This feature may

be used for power savings.

DESCRIPTION

The OPA690 represents a major step forward in unity-gain

stable, voltage feedback op amps. A new internal architec-

ture provides slew rate and full-power bandwidth previously

found only in wideband current feedback op amps. A new

output stage architecture delivers high currents with a

minimal headroom requirement. These combine to give

exceptional single-supply operation. Using a single +5V

supply, the OPA690 can deliver a 1V to 4V output swing

with over 150mA drive current and 150MHz bandwidth.

This combination of features makes the OPA690 an ideal

RGB line driver or single-supply Analog-to-Digital Con-

OPA690 RELATED PRODUCTS

SINGLES

DUALS

TRIPLES

Voltage Feedback

Current Feedback

Fixed Gain

OPA680

OPA691

OPA692

OPA2690

OPA2691

OPA2682

OPA3690

OPA3691

OPA3692

verter (ADC) input driver.

+5V

R₁

3.3V

R₁

2.5V

R₄

20Ω

OPA690

THS1040

AIN+

C₂

0.1µF

C₁

R₂

C₃

20pF

V_I

10-Bit

40MSPS

AIN–

R₅

20Ω

C₆

20pF

R₃

C₄

10µF

V_REF= 1V

C₅

0.1µF

Single-Supply ADC 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.

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

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与OPA690相关器件

型号	品牌	获取价格	描述	数据表
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
OPA691	TI	获取价格	Dual, Wideband, High Output Current, Operational Amplifier with Current Limit
OPA691	BB	获取价格	Wideband, Low-Power, Current Feedback Operational Amplifier

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