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參數(shù)資料
| 型號(hào)： | ALD1721SAL |
| 廠商： | Advanced Linear Devices Inc |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP GP R-R CMOS 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 放大器類型： | 通用 |
| 電路數(shù)： | 1 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 1 V/µs |
| 增益帶寬積： | 1MHz |
| 電流 - 輸入偏壓： | 0.01pA |
| 電壓 - 輸入偏移： | 50µV |
| 電流 - 電源： | 110µA |
| 電流 - 輸出 / 通道： | 1mA |
| 電壓 - 電源，單路/雙路(±)： | 2 V ~ 10 V，±1 V ~ 5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 管件 |
| 其它名稱： | 1014-1092 |
Rev 2.1 2011 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, CA 94089-1706 Tel: (408) 747-1155 Fax: (408) 747-1286
www.aldinc.com
GENERAL DESCRIPTION
The ALD1721/ALD1721G is a monolithic CMOS micropower high slew
rate operational amplifier intended for a broad range of precision applica-
tions requiring exremely low input signal power. Input signal power is the
product of input offset voltage and input bias current, which represents the
minimum required power draw from the signal source in order to drive the
input of the operational amplifier. Input signal power is also a figure of
merit in source loading and its associated error, and is a measure of the
basic signal resolution possible through the operational amplifier for a
given signal source. For certain types of signal sources, signal loading
directly translates into a significant distortion or "interface noise equiva-
lent" term.
The ALD1721/ALD1721G is designed to set a new standard in low input
signal power requirements. The typical input loading at its input is 0.05 mV
offset voltage and 0.01 pA input bias current at 25C, resulting in 0.0005
fW input signal power draw. This input characteristic virtually eliminates
any loading effects on most types of signal sources, offering unparalled
accuracy and signal integrity and fidelity. Obviously, for capacitive and
high sensitivity, high impedance signal sources, the ALD1721/
ALD1721G is ideally suited. It is readily suited for +5V single supply (or
±1V to ±5V) systems, with low operating power dissipation, a traditional
strength of CMOS technology. It is offered with industry standard pin
configuration of
A741 and ICL7611 types.
The ALD1721/ALD1721G can operate with rail to rail large signal input
and output voltages with relatively high slew rate. The input voltage can
be equal to or exceed the positive and negative supply voltages while the
output voltage can swing close to these supply voltage rails. This feature
significantly reduces the supply overhead voltage required to operate the
operational amplifier and allows numerous analog serial stages to oper-
ate in a low power supply environment. In addition, the device can
accommodate mixed applications where digital and analog circuits may
operate off the same power supply or battery. Finally, the output stage
can typically drive up to 50pF capacitive and 10K
resistive loads.
These features make the ALD1721/ALD1721G a versatile, micropower
high precision operational amplifier that is user friendly and easy to use
with virtually no source loading and zero input-loading induced source
errors. Additionally, robust design and rigorous screening make this
device especially suitable for operation in temperature-extreme environ-
ments and rugged conditions.
FEATURES & BENEFITS
Lead Free - RoHS compatible
Robust high-temperature operation
Guaranteed extremely low input signal
power of 1.5 fW
Input offset voltage of 0.05 mV typical
(0.15 mV max.)
Low input bias currents of 0.01pA typical
(10pA max.)
Rail to rail input and output voltage ranges
All parameters specified for +5V single
supply or
±2.5V dual supplies
Unity gain stable, no compensation needed
High voltage gain -- typically 100V/mV @
±2.5V(100dB)
Drive as low as 10K
load
Output short circuit protected
Unity gain bandwidth of 0.7MHz
Slew rate of 0.7V/
s
Micro power dissipation
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
Operating Temperature Range
0
°C to +70°C0°C to +70°C
-55
°C to +125°C
8-Pin
Small Outline
Plastic Dip
CERDIP
Package (SOIC)
Package
ALD1721SAL
ALD1721PAL
ALD1721DA
ALD1721GSAL
ALD1721GPAL
ALD1721GDA
* Contact factory for leaded (non-RoHS) or high temperature versions.
ORDERING INFORMATION (“L” suffix denotes lead-free (RoHS))
PIN CONFIGURATION
* N/C pins are internally connected. Do not connect externally.
1
2
3
4
8
7
6
5
TOP VIEW
N/C
-IN
+IN
N/C
OUT
N/C
V-
V+
TOP VIEW
SAL, PAL, DA PACKAGES
eEPAD
TM
N
A
B
L
E
D
E
PRECISION MICROPOWER CMOS OPERATIONAL AMPLIFIER
ALD1721/ALD1721G
ADVANCED
LINEAR
DEVICES, INC.
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