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Analog Devices Semiconductor Electronic Components Datasheet

AD8632 Datasheet

1.8 V/ 5 MHz Rail-to-Rail Low Power Operational Amplifiers

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a
1.8 V, 5 MHz Rail-to-Rail
Low Power Operational Amplifiers
AD8631/AD8632
FEATURES
Single Supply Operation: 1.8 V to 6 V
Space-Saving SOT-23, SOIC Packaging
Wide Bandwidth: 5 MHz @ 5 V, 4 MHz @ 1.8 V
Low Offset Voltage: 4 mV Max, 0.8 mV typ
Rail-to-Rail Input and Output Swing
2 V/s Slew Rate @ 1.8 V
Only 225 A Supply Current @ 1.8 V
APPLICATIONS
Portable Communications
Portable Phones
Sensor Interface
Active Filters
PCMCIA Cards
ASIC Input Drivers
Wearable Computers
Battery-Powered Devices
New Generation Phones
Personal Digital Assistants
GENERAL DESCRIPTION
The AD8631 brings precision and bandwidth to the SOT-23-5
package at single supply voltages as low as 1.8 V and low supply
current. The small package makes it possible to place the AD8631
next to sensors, reducing external noise pickup.
The AD8631 and AD8632 are rail-to-rail input and output bipolar
amplifiers with a gain bandwidth of 4 MHz and typical voltage
offset of 0.8 mV from a 1.8 V supply. The low supply current and
the low supply voltage makes these parts ideal for battery-powered
applications. The 3 V/µs slew rate makes the AD8631/AD8632 a
good match for driving ASIC inputs, such as voice codecs.
The AD8631/AD8632 is specified over the extended industrial
(–40؇C to +125؇C) temperature range. The AD8631 single is
available in 5-lead SOT-23 surface-mount packages. The dual
AD8632 is available in 8-lead SOIC and µSOIC packages.
PIN CONFIGURATIONS
5-Lead SOT-23
(RT Suffix)
AD8631
OUT A 1
5 V+
V– 2
+IN A 3
4 –IN A
8-Lead SOIC
(R Suffix)
OUT A 1
IN A 2
+IN A 3
V4
AD8632
8 V+
7 OUT B
6 IN B
5 +IN B
8-Lead SOIC
(RM Suffix)
OUT A
IN A
+IN A
V
18
AD8632
45
V+
OUT B
IN B
+IN B
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2000


Analog Devices Semiconductor Electronic Components Datasheet

AD8632 Datasheet

1.8 V/ 5 MHz Rail-to-Rail Low Power Operational Amplifiers

No Preview Available !

AD8631/AD8632–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS (VS = 5 V, V– = 0 V, VCM = 2.5 V, TA = 25؇C unless otherwise noted)
Parameter
Symbol
Conditions
Min Typ
INPUT CHARACTERISTICS
Offset Voltage
Input Bias Current
Input Offset Current
Input Voltage Range
Common-Mode Rejection Ratio
Large Signal Voltage Gain
VOS
IB
IOS
VCM
CMRR
AVO
Offset Voltage Drift
Bias Current Drift
OUTPUT CHARACTERISTICS
Output Voltage Swing High
VOS/T
IB/T
VOH
Output Voltage Swing Low
VOL
Short Circuit Current
POWER SUPPLY
Power Supply Rejection Ratio
Supply Current/Amplifier
DYNAMIC PERFORMANCE
Slew Rate
Gain Bandwidth Product
Settling Time
Phase Margin
NOISE PERFORMANCE
Voltage Noise
Voltage Noise Density
Current Noise Density
ISC
PSRR
ISY
SR
GBP
TS
φm
en p-p
en
in
–40؇C TA +125؇C
–40؇C TA +125؇C
–40؇C TA +125؇C
0 V VCM 5 V,
–40؇C TA +125؇C
RL = 10 k, 0.5 V < VOUT < 4.5 V
RL = 100 k, 0.5 V < VOUT < 4.5 V
RL = 100 k, –40؇C TA +125؇C
IL = 100 µA
–40؇C TA +125؇C
IL = 1 mA
IL = 100 µA
–40؇C TA +125؇C
IL = 1 mA
Short to Ground, Instantaneous
VS = 2.2 V to 6 V,
–40؇C TA +125؇C
VOUT = 2.5 V
–40؇C TA +125؇C
1 V < VOUT < 4 V, RL = 10 k
0.1%
0.1 Hz to 10 Hz
f = 1 kHz
f = 1 kHz
0.8
0
63 70
56
25
100 400
100
3.5
400
4.965
4.7
± 10
75 90
72
300
3
5
860
53
0.8
23
1.7
Specifications subject to change without notice.
Max
4.0
6
250
500
± 150
550
5
35
200
450
650
Unit
mV
mV
nA
nA
nA
nA
V
dB
dB
V/mV
V/mV
V/mV
µV/؇C
pA/؇C
V
V
mV
mV
mA
dB
dB
µA
µA
V/µs
MHz
ns
Degrees
µV p-p
nV/Hz
pA/Hz
–2– REV. 0


Part Number AD8632
Description 1.8 V/ 5 MHz Rail-to-Rail Low Power Operational Amplifiers
Maker Analog Devices
Total Page 12 Pages
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