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OPA842IDBVT Datasheet

  • OPA842IDBVT

  • Wideband, Low Distortion, Unity-Gain Stable, Voltage-Feedbac...

  • 22頁(yè)

  • TI

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OPA842
OPA
842
SBOS267A 鈥?NOVEMBER 2002 鈥?REVISED DECEMBER 2002
Wideband, Low Distortion, Unity-Gain Stable,
Voltage-Feedback OPERATIONAL AMPLIFIER
FEATURES
q
UNITY-GAIN BANDWIDTH: 400MHz
q
GAIN-BANDWIDTH PRODUCT: 200MHz
q
LOW INPUT VOLTAGE NOISE: 2.6nV/
鈭欻z
q
VERY LOW DISTORTION: 鈥?3dBc (5MHz)
q
HIGH OPEN-LOOP GAIN: 110dB
q
FAST 12-BIT SETTLING: 22ns (0.01%)
q
LOW DC VOLTAGE OFFSET: 300
碌
V Typical
q
PROFESSIONAL LEVEL DIFF GAIN/PHASE ERROR:
0.003%/0.008
擄
DESCRIPTION
The OPA842 provides a level of speed and dynamic range
previously unattainable in a monolithic op amp. Using unity-
gain stable, voltage-feedback architecture with two internal
gain stages, the OPA842 achieves exceptionally low har-
monic distortion over a wide frequency range. The 鈥渃lassic鈥?/div>
differential input provides all the familiar benefits of precision
op amps, such as bias current cancellation and very low
inverting current noise compared with wideband current
differential gain/phase performance, low-voltage noise, and
high output current drive make the OPA842 ideal for most
high dynamic range applications.
Unity-gain stability makes the OPA842 particularly suitable
for low-gain differential amplifiers, transimpedance amplifi-
ers, gain of +2 video line drivers, wideband integrators, and
low-distortion Analog-to-Digital Converter (ADC) buffers.
Where higher gain or even lower harmonic distortion is
required, consider the OPA843鈥攁 higher-gain bandwidth
and lower-noise version of the OPA842.
APPLICATIONS
q
ADC/DAC BUFFER DRIVER
q
LOW DISTORTION 鈥淚F鈥?AMPLIFIER
q
ACTIVE FILTER CONFIGURATION
q
LOW-NOISE DIFFERENTIAL RECEIVER
q
HIGH-RESOLUTION IMAGING
q
TEST INSTRUMENTATION
q
PROFESSIONAL AUDIO
q
OPA642 UPGRADE
OPA842 RELATED PRODUCTS
SINGLES
OPA843
OPA846
OPA847
INPUT NOISE
VOLTAGE (nV/
鈭欻z
)
2.0
1.1
0.8
GAIN-BANDWIDTH
PRODUCT (MHz)
800
2500
3700
+5V
+5V
V
IN
50鈩?/div>
OPA842
100pF
鈥?V
402鈩?/div>
2k鈩?/div>
IN
402鈩?/div>
2k鈩?/div>
0.1碌F
(+2V)
REFB
(+1V)
VREF
SEL
ADS850
14-Bit
10MSPS
R
S
0.1碌F 24.9鈩?/div>
2k鈩?/div>
2k鈩?/div>
IN
REFT
(+3V)
AC-Coupled to 14-Bit ADS850 Interface
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.
Copyright 漏 2002, Texas Instruments Incorporated
www.ti.com

OPA842IDBVT 產(chǎn)品屬性

  • 1

  • 集成電路 (IC)

  • Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

  • -

  • 電壓反饋

  • 1

  • -

  • 400 V/µs

  • 200MHz

  • -

  • 20µA

  • 300µV

  • 20.2mA

  • 100mA

  • 10 V ~ 12 V，±5 V ~ 6 V

  • -40°C ~ 85°C

  • 表面貼裝

  • SC-74A，SOT-753

  • SOT-23-5

  • Digi-Reel®

  • 296-20840-ND - DEMO FIXTURE FOR SOT-23 OPAMP'S

  • 296-14176-6

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