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Advanced Linear Devices

ALD2704 Datasheet Preview

ALD2704 Datasheet

DUAL RAIL-TO-RAIL CMOS OPERATIONAL AMPLIFIER

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ADVANCED
LINEAR
DEVICES, INC.
ALD2704A/ALD2704B
ALD2704
DUAL RAIL-TO-RAIL CMOS OPERATIONAL AMPLIFIER
GENERAL DESCRIPTION
The ALD2704 is a dual monolithic operational amplifier with MOSFET
input that has rail-to-rail input and output voltage ranges. The input
voltage range and output voltage range are very close to the positive and
negative power supply voltages. Typically the input voltage can be
beyond positive power supply voltage V+ or the negative power supply
voltage V- by up to 300mV. The output voltage swings to within 60mV of
either positive or negative power supply voltages at rated load.
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With high impedance load, the output voltage of the ALD2704 ap-
proaches within 1mV of the power supply rails. This device is designed
as an alternative to the popular J-FET input operational amplifier in
applications where lower operating voltages, such as 9V battery or ±3.25V
to ±6V power supplies are being used. The ALD2704 offers high slew rate
of 5V/µs. It is designed and manufactured with Advanced Linear Devices'
standard enhanced ACMOS silicon gate CMOS process, and it offers low
unit cost and exceptional reliability.
The rail-to-rail input and output feature of the ALD2704 expands signal
voltage range for a given operating supply voltage and allows numerous
analog serial stages to be implemented without losing operating voltage
margin. The output stage is designed to drive up to 10mA into 400pF
capacitive and 1.5Kresistive loads at unity gain and up to 4000pF at a
gain of 5. Short circuit protection to either ground or the power supply rails
is at approximately 15mA clamp current. Due to complementary output
stage design, the output can source and sink 10mA into a load with
symmetrical drive and is ideally suited for applications where push-pull
voltage drive is desired.
For each of the operational amplifier, the offset voltage is trimmed on-chip
to eliminate the need for external nulling in many applications. For
precision applications, the output is designed to settle to 0.1% in 2µs. In
large signal buffer applications, the operational amplifier can function as
an ultrahigh input impedance voltage follower /buffer that allows input and
output voltage swings from positive to negative supply voltages. This
feature is intended to greatly simplify systems design and eliminate higher
voltage power supplies in many applications.
FEATURES
• Rail-to-rail input and output voltage ranges
• Symmetrical push-pull output drives
• Output settles to 2mV of supply rails
• 5.0V/µs slew rate
• High capacitive load capability -- up to 4000pF
• No frequency compensation required -- unity
gain stable
• Extremely low input bias currents -- <1.0pA
typical (20pA max.)
• Ideal for high source impedance applications
• High voltage gain -- typically 100V/mV
• Output short circuit protected
• Unity gain bandwidth of 2.1MHz
APPLICATIONS
• Voltage amplifier
• Voltage follower/buffer
• Charge integrator
• Photodiode amplifier
• Data acquisition systems
• High performance portable instruments
• Signal conditioning circuits
• Low leakage amplifiers
• Active filters
• Sample/Hold amplifier
• Picoammeter
• Current to voltage converter
• Coaxial cable driver
• Capacitive sensor amplifier
• Piezoelectric transducer amplifier
PIN CONFIGURATION
ORDERING INFORMATION
Operating Temperature Range*
-55°C to +125°C
0°C to +70°C
0°C to +70°C
8-Pin
CERDIP
Package
8-Pin
Small Outline
Package (SOIC)
8-Pin
Plastic Dip
Package
ALD2704A DA
ALD2704B DA
ALD2704 DA
ALD2704A SA
ALD2704B SA
ALD2704 SA
ALD2704A PA
ALD2704B PA
ALD2704 PA
* Contact factory for industrial temperature range
OUT A 1
8 V+
-IN A 2
7 OUT B
+IN A 3
6 -IN B
V- 4
5 +IN B
TOP VIEW
DA, PA, SA PACKAGE
© 1998 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com




Advanced Linear Devices

ALD2704 Datasheet Preview

ALD2704 Datasheet

DUAL RAIL-TO-RAIL CMOS OPERATIONAL AMPLIFIER

No Preview Available !

ABSOLUTE MAXIMUM RATINGS
Supply voltage, V+ referenced to V-
Supply voltage, VS referenced to V-
Differential input voltage range
Power dissipation
Operating temperature range PA, SA package
DA package
Storage temperature range
Lead temperature, 10 seconds
-0.3V to V++13.2V
±6.6V
-0.3V to V+ +0.3V
600 mW
0°C to +70°C
-55°C to +125°C
-65°C to +150°C
+260°C
OPERATING ELECTRICAL CHARACTERISTICS
TA = 25°C VS = ±5.0V unless otherwise specified
Parameter
Supply
www.DataSheet4U.com Voltage
Input Offset
Voltage
Symbol
VS
V+
2704A
Min Typ
±3.25
6.5
2704B
2704
Max Min Typ Max Min Typ
±6.0 ±3.25
12.0 6.5
±6.0 ±3.25
12.0 6.5
Max
±6.0
12.0
Unit
V
V
VOS
1.0 2.0 5.0 mV
1.5 3.0 6.0 mV
Input Offset
Current
IOS
1.0 15
240
1.0 15
240
1.0 15 pA
240 pA
Input Bias
Current
IB
1.0 20
300
1.0 20
300
1.0 20 pA
300 pA
Input Voltage
Range
VIR
-5.3
5.3 -5.3
5.3 -5.3
5.3 V
Test
Conditions
Dual Supply
Single Supply
RS 100K
0°C TA +70°C
TA = 25°C
0°C TA +70°C
TA = 25°C
0°C TA +70°C
Input
Resistance
RIN
1012
1012
1012
Input Offset
Voltage Drift
Power Supply
Rejection Ratio
Common Mode
Rejection Ratio
Large Signal
Voltage Gain
TCVOS
PSRR
CMRR
AV
5
65 80
65 83
15 28
100
5
65 80
65 83
15 28
100
5
60 80
60 83
10 28
100
µV/°C RS 100K
dB RS 100K
0°C TA +70°C
dB RS 100K
0°C TA +70°C
V/mV RL = 100K
V/mV RL 1M
Output
Voltage
Range
Output Short
Circuit Current
Supply
Current
VO low
VO high
VO low
VO high
ISC
-4.96 -4.90
-4.96 -4.90
-4.96 -4.90
4.90 4.95
4.90 4.95
4.90 4.95
-4.998 -4.99
-4.998 -4.99
-4.998 -4.99
4.99 4.998
4.99 4.998
4.99 4.998
15 15 15
V
V
mA
IS
5.0 6.5
5.0 6.5
5.0 6.5 mA
RL 10K
0°C TA +70°C
RL = 1M
0°C TA +70°C
VIN = -5V
No Load
Power
Dissipation
PD
65 65 65 mW Both amplifiers, No Load
VS = ±5.0V
Input
Capacitance
Bandwidth
CIN
BW
1
2.1
1 1 pF
2.1 2.1 MHz
Slew Rate
Rise time
Overshoot
Factor
SR
tr
5.0
0.1
15
5.0 5.0 V/µs AV = +1 RL = 2.0K
0.1 0.1 µs RL = 2.0K
15 15 % RL = 2.0K
CL = 100pF
ALD2704A/ALD2704B
ALD2704
Advanced Linear Devices
2


Part Number ALD2704
Description DUAL RAIL-TO-RAIL CMOS OPERATIONAL AMPLIFIER
Maker Advanced Linear Devices
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ALD2704 Datasheet PDF






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