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參數資料
| 型號： | ALD1721EPAL |
| 廠商： | Advanced Linear Devices Inc |
| 文件頁數： | 1/13頁 |
| 文件大小： | 0K |
| 描述： | IC OPAMP GP R-R CMOS 1MHZ 8PDIP |
| 標準包裝： | 50 |
| 系列： | EPAD® |
| 放大器類型： | 通用 |
| 電路數： | 1 |
| 輸出類型： | 滿擺幅 |
| 轉換速率： | 1 V/µs |
| 增益帶寬積： | 1MHz |
| 電流 - 輸入偏壓： | 0.01pA |
| 電壓 - 輸入偏移： | 35µV |
| 電流 - 電源： | 120µA |
| 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： | 通孔 |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 供應商設備封裝： | 8-PDIP |
| 包裝： | 管件 |
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 ALD1721E is a monolithic rail-to-rail precision CMOS operational
amplifier with integrated user programmable EPAD (Electrically Program-
mable Analog Device) based offset voltage adjustment. The ALD1721E
operational amplifier is a direct replacement of the ALD1701 operational
amplifier, with the added feature of user-programmable offset voltage
trimming resulting in significantly enhanced total system performance and
user flexibility. EPAD technology is an exclusive ALD design which has
been refined for analog applications where precision voltage trimming is
necessary to achieve a desired performance. It utilizes CMOS FETs as in-
circuit elements for trimming of offset voltage bias characteristics with the
aid of a personal computer under software control. Once programmed, the
set parameters are stored indefinitely within the device even after power-
down. EPAD offers the circuit designer a convenient and cost-effective
trimming solution for achieving the very highest amplifier/system perfor-
mance.
The ALD1721E operational amplifier features rail-to-rail input and output
voltage ranges, tolerance to over-voltage input spikes of 300mV beyond
supply rails, capacitive loading up to 50pF, extremely low input currents of
0.01pA typical, high open loop voltage gain, useful bandwidth of 700KHz,
slew rate of 0.7V/
s, and low typical supply current of 120A.
BENEFITS
Eliminates manual and elaborate
system trimming procedures
Remote controlled automated trimming
In-System Programming capability
No external components
No internal chopper clocking noise
No chopper dynamic power dissipation
Simple and cost effective
Small package size
Extremely small total functional
volume size
Low system implementation cost
Micropower and Low Voltage
APPLICATIONS
Sensor interface circuits
Transducer biasing circuits
Capacitive and charge integration circuits
Biochemical probe interface
Signal conditioning
Portable instruments
High source impedance electrode
amplifiers
Precision Sample and Hold amplifiers
Precision current to voltage converter
Error correction circuits
Sensor compensation circuits
Precision gain amplifiers
Periodic In-system calibration
System output level shifter
KEY FEATURES
EPAD (Electrically Programmable Analog Device)
User programmable VOS trimmer
Computer-assisted trimming
Rail-to-rail input/output
Compatible with standard EPAD Programmer
High precision through in-system circuit precision trimming
Reduces or eliminates VOS, PSRR, CMRR and TCVOS errors
System level “calibration” capability
Application Specific Programming mode
In-System Programming mode
Electrically programmable to compensate for external
component tolerances
Achieves 0.01pA input bias current and 35
V input offset
voltage simultaneously
Compatible with industry standard pinout
PIN CONFIGURATION
1
2
3
4
8
7
6
5
VE1
-IN
+IN
VE2
OUT
N/C
V-
V+
TOP VIEW
SAL, PAL, DA PACKAGES
* N/C Pin is internally connected. Do not connect externally.
ORDERING INFORMATION (“L” suffix denotes lead-free (RoHS))
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
ALD1721ESAL
ALD1721EPAL
ALD1721EDA
* Contact factory for leaded (non-RoHS) or high temperature versions.
eEPAD
TM
N
A
B
L
E
D
E
EPAD MICROPOWER CMOS OPERATIONAL AMPLIFIER
ALD1721E
ADVANCED
LINEAR
DEVICES, INC.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ALD1721ESA | 制造商:ALD 制造商全稱:Advanced Linear Devices 功能描述:EPAD⑩ MICROPOWER OPERATIONAL AMPLIFIER |
| ALD1721ESAL | 功能描述:運算放大器 - 運放 EPAD(R) Micropower RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| ALD1721GPAL | 功能描述:運算放大器 - 運放 CMOS OP Amp .15mV, 600mW RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| ALD1721GSAL | 功能描述:運算放大器 - 運放 CMOS OP Amp .15mV, 600mW RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| ALD1721PA | 功能描述:運算放大器 - 運放 High Precision RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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