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ALD1712ASAL 参数 Datasheet PDF下载

ALD1712ASAL图片预览
型号: ALD1712ASAL
PDF下载: 下载PDF文件 查看货源
内容描述: 轨到轨精密运算放大器 [RAIL-TO-RAIL PRECISION OPERATIONAL AMPLIFIER]
分类和应用: 运算放大器
文件页数/大小: 9 页 / 85 K
品牌: ALD [ ADVANCED LINEAR DEVICES ]
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A
DVANCED
L
INEAR
D
EVICES,
I
NC.
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.
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
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)
ALD1712ASAL
ALD1712BSAL
ALD1712SAL
8-Pin
Plastic Dip
Package
ALD1712APAL
ALD1712BPAL
ALD1712PAL
8-Pin
CERDIP
Package
ALD1712ADA
ALD1712BDA
ALD1712DA
PIN CONFIGURATION
N/C
-IN
+IN
V-
1
2
3
4
TOP VIEW
SAL, PAL, DA PACKAGES
8
2
7
6
5
N/C
V+
OUT
N/C
* Contact factory for leaded (non-RoHS) or high temperature versions.
* 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