Datasheet > OPA890IDR

OPA890IDR

更新时间： 2024-11-23 04:11:47

品牌	Logo	应用领域
BB		运算放大器
页数	文件大小	规格书
32页	902K
描述
Low-Power, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER with Disable

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OPA890IDR 数据手册

OPA890

SBOS369–MAY 2007

Low-Power, Wideband, Voltage-Feedback

OPERATIONAL AMPLIFIER with Disable

FEATURES

DESCRIPTION

•

FLEXIBLE SUPPLY RANGE:

+3V to +12V Single Supply

±1.5V to ±6V Dual Supplies

The OPA890 represents a major step forward in

unity-gain stable, voltage-feedback op amps. A new

internal architecture provides slew rate and

full-power bandwidth previously found only in

wideband, current-feedback op amps. These

capabilities provide exceptional full power bandwidth.

Using a single +5V supply, the OPA890 can deliver a

1V to 4V output swing with over 35mA drive current

and 220MHz bandwidth. This combination of

features makes the OPA890 an ideal RGB line driver

or single-supply analog-to-digital converter (ADC)

input driver.

•

UNITY-GAIN STABLE

WIDEBAND +5V OPERATION: 115MHz

(G = +2V/V)

•

OUTPUT VOLTAGE SWING: ±4V

HIGH SLEW RATE: 500V/µs

LOW QUIESCENT CURRENT: 1.1mA

LOW DISABLE CURRENT: 30µA

APPLICATIONS

The low 1.1mA supply current of the OPA890 is

precisely trimmed at +25°C. This trim, along with low

temperature drift, ensures 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, operates the OPA890 normally. If pulled

LOW, the OPA890 supply current drops to less than

30µA while the output goes into a high-impedance

state.

•

VIDEO LINE DRIVING

xDSL LINE DRIVERS/RECEIVERS

HIGH-SPEED IMAGING CHANNELS

ADC BUFFERS

PORTABLE INSTRUMENTS

TRANSIMPEDANCE AMPLIFIERS

ACTIVE FILTERS

OPERATIONAL AMPLIFIER

PRODUCTS

Multiplying DAC Transimpedance Amplifier

+5V

DESCRIPTION

SINGLES

DUALS

TRIPLES

Low-Power Voltage-Feedback

with Disable

—

OPA2890

—

V_DD

GND

V_REF

Voltage-Feedback Amplifier

with Disable (1800V/µs)

DB0

DB1

DB2

DB3

DB4

DB5

DB6

DB7

DB8

DB9

DB10

DB11

OPA690

OPA2690

OPA3690

-5V

Current-Feedback Amplifier

with Disable (2100V/µs)

OPA691

OPA692

OPA2691

—

OPA3691

OPA3692

R₁

DAC7822

R_FB

Fixed Gain

+7.5V

OPA890

-2.5V

2.5pF

I_OUT1

I_OUT2

V_OUT

R₂

R_{2_3}

R₃

0V £ V_OUT£ 5V

5.56kW

0.1mF

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 the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...32

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