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PDF ALD1704 Data sheet ( Hoja de datos )
| Número de pieza | ALD1704 | |
| Descripción | RAIL TO RAIL CMOS OPERATIONAL AMPLIFIER | |
| Fabricantes | Advanced Linear Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ALD1704 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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ADVANCED
LINEAR
DEVICES, INC.
ALD1704A/ALD1704B
ALD1704/ALD1704G
RAIL-TO-RAIL CMOS OPERATIONAL AMPLIFIER
GENERAL DESCRIPTION
The ALD1704 is a CMOS 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.
This device is designed as an alternative to the popular JFET input
operational amplifiers in applications where lower operating voltages, such
as 9V battery or ±3.25V to ±6V power supplies are being used. It offers high
slew rate of 5V/µs at low operating power of 30mW. Since the ALD1704
is designed and manufactured with Advanced Linear Devices' standard
enhanced ACMOS silicon gate CMOS process, it also offers low unit cost
and exceptional reliability.
The rail-to-rail input and output feature of the ALD1704 allows a lower
operating supply voltage for a given signal voltage range 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 1.5KΩ resistive loads at unity gain and up to
4000 pF at a gain of 5. Short circuit protection to either ground or the power
supply rails is at approximately 15mA clamp current. Due to complemen-
tary output stage design, the output can both source and sink 10mA into
a load with symmetrical drive and is ideally suited for applications where
push-pull voltage drive is desired.
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. For large signal buffer applications, the
operational amplifier can function as an ultra high 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
• 5.0V/µs slew rate
• Output settles to 2mV of supply rails
• High capacitive load capability -- up to 4000pF
• Symmetrical push-pull output drives
• No frequency compensation required --
unity gain stable
• Extremely low input bias currents -- 1.0pA
typical (20pAMax)
• Ideal for high source impedance applications
• High voltage gain -- typically 150V/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
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
ALD1704A DA
ALD1704B DA
ALD1704 DA
ALD1704G DA
ALD1704A SA
ALD1704B SA
ALD1704 SA
ALD1704G SA
ALD1704A PA
ALD1704B PA
ALD1704 PA
ALD1704G PA
* Contact factory for industrial temperature range
PIN CONFIGURATION
N/C 1
-IN 2
8 N/C
7 V+
+IN 3
6 OUT
V- 4
5 N/C
TOP VIEW
DA, PA, SA PACKAGE
* N/C Pin is internally connected. Do not connect externally.
© 1998 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com
1 page  
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TYPICAL PERFORMANCE CHARACTERISTICS
OUTPUT VOLTAGE SWING AS A
FUNCTION OF SUPPLY VOLTAGE
±7
±6 ±25°C ≤ TA ≤ 125°C
±5 RL = 10KΩ
RL = 10KΩ
±4 RL = 2KΩ
±3
±2
0
±1
±2 ±3 ±4
±5
SUPPLY VOLTAGE (V)
±6 ±7
INPUT OFFSET VOLTAGE AS A FUNCTION
OF AMBIENT TEMPERATURE
REPRESENTATIVE UNITS
+5
+4 VS = ±5.0V
+3
+2
+1
0
-1
-2
-3
-4
-5
-50 -25 0 +25 +50 +75 +100 +125
AMBIENT TEMPERATURE (°C)
OPEN LOOP VOLTAGE GAIN AS A FUNCTION
OF LOAD RESISTANCE
1000
100
VS = ±5.0V
TA = 25°C
10
120
100
80
60
40
20
0
-20
1
OPEN LOOP VOLTAGE AS A
FUNCTION OF FREQUENCY
VS = ±5.0V
TA = 25°C
0
45
90
135
180
10 100 1K 10K 100K 1M 10M
FREQUENCY (Hz)
INPUT OFFSET VOLTAGE AS A FUNCTION
OF COMMON MODE INPUT VOLTAGE
15
10 VS = ±5.0V
TA = 25°C
5
0
-5
-10
-15
-4 -2 0 +2 +4 +6
COMMON MODE INPUT VOLTAGE (V)
LARGE - SIGNAL TRANSIENT
RESPONSE
5V/div
VS = ±5.0V
TA = 25°C
RL = 1KΩ
CL = 50pF
1
1K
10K 100K
LOAD RESISTANCE (Ω)
1000K
VOLTAGE NOISE DENSITY AS A
FUNCTION OF FREQUENCY
150
125
100
VS = ±5.0V
TA = 25°C
75
50
25
0
10
100 1K 10K 100K
FREQUENCY (Hz)
1000K
5V/div
2µs/div
SMALL - SIGNAL TRANSIENT
RESPONSE
100mV/div
VS = ± 5.0V
TA = 25°C
RL = 1.0KΩ
CL = 50pF
50mV/div
1µs/div
ALD1704A/ALD1704B
ALD1704/ALD1704G
Advanced Linear Devices
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet ALD1704.PDF ] | |
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