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PDF ALD1712B Data sheet ( Hoja de datos )
| Número de pieza | ALD1712B | |
| Descripción | RAIL-TO-RAIL PRECISION OPERATIONAL AMPLIFIER | |
| Fabricantes | ADVANCED LINEAR DEVICES | |
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Hay una vista previa y un enlace de descarga de ALD1712B (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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ADVANCED
LINEAR
DEVICES, INC.
ALD1712A/ALD1712B
ALD1712
RAIL-TO-RAIL PRECISION OPERATIONAL AMPLIFIER
GENERAL DESCRIPTION
The ALD1712A/ALD1712B/ALD1712 is a monolithic precision opera-
tional amplifier intended primarily for a wide range of analog applications
in +5V single power supply and ±5V dual power supply systems as well
as +5V to +10V battery operated systems. All device characteristics are
specified for +5V single supply or ±2.5V dual supply systems. It is
manufactured with Advanced Linear Devices' enhanced ACMOS silicon
gate CMOS process and is available as a standard cell in ALD's ASIC
"Function-Specific" library.
The ALD1712A/ALD1712B/ALD1712 has an input stage that operates to
+300mV above and -300mV below the supply voltages with no adverse
effects and/or phase reversals. It has been developed specifically with
the 5V single supply or ±2.5V dual supply user in mind.
Several important characteristics of the device make many applications
easy to implement for these supply voltages. First, the operational
amplifier can operate with rail-to-rail input and output voltages. This
feature allows numerous analog serial stages to be implemented without
losing operating voltage margin. Second, the device was designed to
accommodate mixed applications where digital and analog circuits may
work off the same 5V power supply. Third, the output stage can drive up
to 400pF capacitive, and 1KΩ resistive loads in non-inverting unity gain
connection, and up to 4000pF at a gain of 5. These features, coupled with
extremely low input currents, high voltage gain, useful bandwidth of
1.5MHz, slew rate of 2.1V/µs, low power dissipation, low offset voltage
and temperature drift, make the ALD1712A/ALD1712B/ALD1712 a truly
versatile, user friendly, operational amplifier.
On-chip offset voltage trimming allows the device to be used without
nulling in most applications. The device offers typical offset drift of less
than 5µV/°C which eliminates many trim or temperature compensation
circuits. For precision applications, the ALD1712A/ALD1712B/ALD1712
is designed to settle to 0.01% in 8µs. The unique characteristics at input
and output are modeled in an available macromodel. Additionally, robust
design and rigorous screening make this device especially suitable for
operation in temperature-extreme environments and rugged conditions.
ORDERING INFORMATION (“L” suffix denotes lead-free (RoHS))
Operating Temperature Range
0°C to +70°C
0°C to +70°C
-55°C to 125°C
8-Pin
Small Outline
Package (SOIC)
8-Pin
Plastic Dip
Package
8-Pin
CERDIP
Package
ALD1712ASAL
ALD1712BSAL
ALD1712SAL
ALD1712APAL
ALD1712BPAL
ALD1712PAL
ALD1712ADA
ALD1712BDA
ALD1712DA
* Contact factory for leaded (non-RoHS) or high temperature versions.
FEATURES
• Linear mode operation with input voltages
300mV beyond supply rails
• Symmetrical complementary output drive
• Output voltages to within 2mV of power
supply rails
• High load capacitance capability --
4000pF typical
• No frequency compensation required --
unity gain stable
• Extremely low input bias currents --
0.01pA typical
• Dual power supply ±2.5V to ±5.0V
• Single power supply +5V to +10V
• High voltage gain – typically 85V/mV
@ ±2.5V and 250V/mV @ ±5.0V
• Drive as low as 1KΩ load with 5mA
drive current
• Output short circuit protected
• Unity gain bandwidth of 1.5MHz
• Slew rate of 2.1V/µs
• Suitable for rugged, temperature-extreme
environments
APPLICATIONS
• Voltage amplifier
• Voltage follower/buffer
• Charge integrator
• Photodiode amplifier
• Data acquisition systems
• High performance portable instruments
• Signal conditioning circuits
• Sensor and transducer amplifiers
• Low leakage amplifiers
• Active filters
• Sample/Hold amplifier
• Picoammeter
• Current to voltage converter
• Coaxial cable driver
PIN CONFIGURATION
N/C 1
-IN 2
2
8 N/C
7 V+
+IN 3
6 OUT
V- 4
5 N/C
TOP VIEW
SAL, PAL, DA PACKAGES
* N/C pins are internally connected. Do not connect externally.
Rev 2.1 ©2010 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, CA 94089-1706 Tel: (408) 747-1155 Fax: (408) 747-1286
www.aldinc.com
1 page  
TYPICAL PERFORMANCE CHARACTERISTICS (cont'd)
OUTPUT VOLTAGE SWING AS A
FUNCTION OF SUPPLY VOLTAGE
±7
±6 -55°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 = ±2.5V
+3
+2
+1
0
-1
-2
-3
-4
-5
-50 -25 0 +25 +50 +75 +100 +125
AMBIENT TEMPERATURE (°C)
1000
OPEN LOOP VOLTAGE GAIN AS A
FUNCTION OF LOAD RESISTANCE
100
VS = ±2.5V
10 TA = 25°C
1
1K
10K 100K
LOAD RESISTANCE (Ω)
1000K
LARGE - SIGNAL TRANSIENT
RESPONSE
5V/div
VS = ±2.5V
TA = 25°C
RL = 10KΩ
CL = 50pF
OPEN LOOP VOLTAGE GAIN AS A
FUNCTION OF FREQUENCY
120
100
80
VS = ±2.5V
TA = 25°C
60 0
40 45
20 90
0
-20
1
135
180
10 100 1K 10K 100K 1M 10M
FREQUENCY (Hz)
INPUT OFFSET VOLTAGE AS A FUNCTION
OF COMMON MODE INPUT VOLTAGE
6
4 VS = ±2.5V
TA = 25°C
2
0
-2
-4
-6
-2 -1 0 +1 +2 +3
COMMON MODE INPUT VOLTAGE (V)
VOLTAGE NOISE DENSITY AS A
FUNCTION OF FREQUENCY
150
125
100
VS = ±2.5V
TA = 25°C
75
50
25
0
10
100 1K 10K 100K
FREQUENCY (Hz)
SMALL - SIGNAL TRANSIENT
RESPONSE
1000K
100mV/div
VS = ±2.5V
TA = 25°C
RL = 10KΩ
CL = 50pF
1V/div
2µs/div
20mV/div
2µs/div
ALD1712A/ALD1712B
ALD1712
Advanced Linear Devices
5 of 9
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| PDF Descargar | [ Datasheet ALD1712B.PDF ] | |
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