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OPA843ID

Description
1 CHANNEL, AUDIO AMPLIFIER, PDSO8
Categorysemiconductor    Other integrated circuit (IC)   
File Size364KB,22 Pages
ManufacturerBurr-Brown
Websitehttp://www.burr-brown.com/
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OPA843ID Overview

1 CHANNEL, AUDIO AMPLIFIER, PDSO8

OPA843ID Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals8
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Maximum supply/operating voltage6 V
Minimum supply/operating voltage4 V
Processing package descriptiongreen, plastic, SOIC-8
Lead-freeYes
EU RoHS regulationsYes
China RoHS regulationsYes
stateACTIVE
CraftsmanshipBIPOLAR
packaging shapeRectangle
Package SizeSMALL OUTLINE
surface mountYes
Terminal formGULL WING
Terminal spacing1.27 mm
terminal coatingNickel Palladium
Terminal locationpair
Packaging MaterialsPlastic/Epoxy
Temperature levelINDUSTRIAL
Consumer IC Typeaudio amplifier
Number of channels1
OPA843
OPA
843
SBOS268A – DECEMBER 2002 – OCTOBER 2003
Wideband, Low Distortion, Medium Gain,
Voltage-Feedback OPERATIONAL AMPLIFIER
FEATURES
q
HIGH BANDWIDTH: 260MHz (G = +5)
q
GAIN BANDWIDTH PRODUCT: 800MHz
q
LOW INPUT VOLTAGE NOISE: 2.0nV/
√Hz
q
VERY LOW DISTORTION: –96dBc (5MHz)
q
HIGH OPEN-LOOP GAIN: 110dB
q
FAST 12-BIT SETTLING: 10.5ns (0.01%)
q
LOW INPUT OFFSET VOLTAGE: 300
µ
V
q
OUTPUT CURRENT:
±
100mA
DESCRIPTION
The OPA843 provides a level of speed and dynamic range
previously unattainable in a monolithic op amp. Using a high
Gain Bandwidth (GBW), two gain-stage design, the OPA843
gives a medium gain range device with exceptional dynamic
range. The “classic” differential input complements this high
dynamic range with DC precision beyond most high-speed
amplifier products. Very low input offset voltage and current,
high Common-Mode Rejection Ratio (CMRR) and Power-
Supply Rejection Ratio (PSRR), and high open-loop gain
combine to give a high DC precision amplifier along with low
noise and high 3rd-order intercept.
12- to 16-bit converter interfaces will benefit from this combi-
nation of features. High-speed transimpedance applications
can be implemented with exceptional DC precision as well.
Differential configurations using two OPA843s can deliver
very low distortion to high output voltages, as shown below.
APPLICATIONS
q
ADC/DAC BUFFER AMPLIFIER
q
LOW DISTORTION “IF” AMPLIFIER
q
ACTIVE FILTERS
q
LOW-NOISE RECEIVER
q
WIDEBAND TRANSIMPEDANCE
q
TEST INSTRUMENTATION
q
PROFESSIONAL AUDIO
q
OPA643 UPGRADE
+5V
OPA843 RELATED PRODUCTS
SINGLES
OPA842
OPA846
OPA847
INPUT NOISE
VOLTAGE (nV/
√Hz
)
2.6
1.2
0.85
GAIN-BANDWIDTH
PRODUCT (MHz)
200
1750
3900
OPA843
DIFFERENTIAL DISTORTION vs OUTPUT VOLTAGE
–85
G
D
= 10
R
L
= 400Ω
F = 5MHz
V
I
50Ω
1:1
132Ω
40.2Ω
402Ω
R
L
400Ω
V
O
= 10V
I
Harmonic Distortion (dBc)
–5V
–90
–95
2nd-Harmonic
–100
3rd-Harmonic
–105
40.2Ω
402Ω
+5V
OPA843
–110
1
10
Output Voltage Swing (Vp-p)
–5V
Very Low Distortion Differential 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.
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 Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright © 2002-2003, Texas Instruments Incorporated
www.ti.com

OPA843ID Related Products

OPA843ID OPA843IDR OPA843IDBVT OPA843IDBVR OPA843
Description 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 1 CHANNEL, AUDIO AMPLIFIER, PDSO5 1 CHANNEL, AUDIO AMPLIFIER, PDSO5 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
Number of functions 1 1 1 1 1
Number of terminals 8 8 5 5 8
Maximum operating temperature 85 Cel 85 Cel 85 Cel 85 Cel 85 Cel
Minimum operating temperature -40 Cel -40 Cel -40 Cel -40 Cel -40 Cel
Maximum supply/operating voltage 6 V 6 V 6 V 6 V 6 V
Minimum supply/operating voltage 4 V 4 V 4 V 4 V 4 V
Processing package description green, plastic, SOIC-8 green, plastic, SOIC-8 Green, Plastic, SOT-23, 5 PIN Green, Plastic, SOT-23, 5 PIN green, plastic, SOIC-8
Lead-free Yes Yes Yes Yes Yes
EU RoHS regulations Yes Yes Yes Yes Yes
China RoHS regulations Yes Yes Yes Yes Yes
state ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE
Craftsmanship BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR
packaging shape Rectangle Rectangle Rectangle Rectangle Rectangle
Package Size SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE, 低 PROFILE, SHRINK PITCH SMALL OUTLINE, 低 PROFILE, SHRINK PITCH SMALL OUTLINE
surface mount Yes Yes Yes Yes Yes
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal spacing 1.27 mm 1.27 mm 0.9500 mm 0.9500 mm 1.27 mm
terminal coating Nickel Palladium Nickel Palladium Nickel Palladium Nickel Palladium Nickel Palladium
Terminal location pair pair pair pair pair
Packaging Materials Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Consumer IC Type audio amplifier audio amplifier audio amplifier audio amplifier audio amplifier
Number of channels 1 1 1 1 1
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