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What is OPA635?

This electronic component, produced by the manufacturer "Burr-Brown", performs the same function as "Wideband / Single Supply OPERATIONAL AMPLIFIERS".


OPA635 Datasheet PDF - Burr-Brown

Part Number OPA635
Description Wideband / Single Supply OPERATIONAL AMPLIFIERS
Manufacturers Burr-Brown 
Logo Burr-Brown Logo 


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®
OPA634
OPA634
OPA635
For most current data sheet and other product
information, visit www.burr-brown.com
TM Wideband, Single Supply
OPERATIONAL AMPLIFIERS
FEATURES
q HIGH BANDWIDTH: 150MHz (G = +2)
q +3V AND +5V OPERATION
q ZERO POWER DISABLE (OPA635)
q INPUT RANGE INCLUDES GROUND
q 4.8V OUTPUT SWING ON +5V SUPPLY
q HIGH OUTPUT CURRENT: 80mA
q HIGH SLEW RATE: 250V/µs
q LOW INPUT VOLTAGE NOISE: 5.6nV/HZ
q AVAILABLE IN SOT23 PACKAGES
APPLICATIONS
q SINGLE SUPPLY ADC INPUT BUFFER
q SINGLE SUPPLY VIDEO LINE DRIVER
q WIRELESS LAN IF AMPLIFIER
q CCD IMAGING CHANNELS
q LOW POWER ULTRASOUND
DESCRIPTION
The OPA634 and OPA635 are low power, voltage-
feedback, high-speed amplifiers designed to operate on
+3V or +5V single-supply voltages. Operation on ±5V
or +10V supplies is also supported. The input range
extends below ground and to within 1.2V of the positive
supply. Using complementary common-emitter outputs
provides an output swing to within 30mV of ground and
140mV of positive supply. The high output drive cur-
rent, low differential gain and phase errors make them
ideal for single-supply composite video line driving.
Low distortion operation is ensured by the high gain
bandwidth (140MHz) and slew rate (250V/µs). This
makes the OPA634 and OPA635 ideal input buffer
stages to 3V and 5V CMOS converters. Unlike other low
power, single-supply operational amplifiers, distortion
performance improves as the signal swing is decreased.
A low 5.6nV input voltage noise supports wide dynamic
range operation. Multiplexing or system power reduc-
tion can be achieved using the high-speed disable line
with the OPA635. Power dissipation can be reduced to
zero by taking the disable line High.
The OPA634 and OPA635 are available in an industry
standard SO-8 package. The OPA634 is also available in
an ultra-small SOT23-5 package, while the OPA635 is
available in the SOT23-6. Where lower supply current
and speed are required, consider the OPA631 and
OPA632.
RELATED PRODUCTS
SINGLES
DUALS
Medium Speed, No Disable
With Disable
OPA631
OPA632
OPA2631
High Speed, No Disable
With Disable
OPA634
OPA635
OPA2634
+3V
2.26k
Disable
+3V
374
VIN
562
DIS
OPA635
Pwrdn
100
750
22pF
ADS900
10-Bit
20Msps
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
© 1999 Burr-Brown Corporation
PDS-1465A
Printed in U.S.A. June, 1999

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OPA635 equivalent
TYPICAL PERFORMANCE CURVES: VS = +5V
At TA = 25°C, G = +2, RF = 750, and RL = 150to VS/2, unless otherwise noted (see Figure 1).
SMALL-SIGNAL FREQUENCY RESPONSE
6
VO = 0.2Vp-p
3
G = +2
0
G = +5
–3
–6
–9
G = +10
–12
–15
–18
1
10 100 300
Frequency (MHz)
12
9
6
3
0
–3
–6
–9
–12
1
LARGE-SIGNAL FREQUENCY RESPONSE
VO = 0.2Vp-p
VO = 1Vp-p
VO = 2Vp-p
VO = 4Vp-p
10 100 300
Frequency (MHz)
SMALL-SIGNAL PULSE RESPONSE
VO = 200mVp-p
VO
VIN
LARGE-SIGNAL DISABLE/ENABLE RESPONSE
VO = 2Vp-p
VO
VIN
Time (10ns/div)
Time (10ns/div)
LARGE-SIGNAL DISABLE/ENABLE RESPONSE
VDIS
VO
VIN = 0.5V
OPA635 only
Time (50ns/div)
DISABLE FEEDTHROUGH vs FREQUENCY
–35
OPA635 only
–40 VDIS = +5V
–45
–50
–55
–60
–65
–70
–75
–80
–85
1
10 100
Frequency (MHz)
1000
®
5 OPA634, OPA635


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OPA635 Datasheet


1. - Operational Amplifiers - Burr-Brown

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