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參數資料
| 型號： | ALD2321 |
| 廠商： | Advanced Linear Devices, Inc. |
| 英文描述： | ULTRA LOW VOS EPAD DUAL CMOS ANALOG VOLTAGE COMPARATOR |
| 中文描述： | 超低VOS的EPAD雙通道CMOS模擬電壓比較器 |
| 文件頁數： | 1/8頁 |
| 文件大?。?/td> | 61K |
| 代理商： | ALD2321 |
ULTRA LOW VOS EPAD
DUAL CMOS ANALOG VOLTAGE COMPARATOR
ALD2321A/ALD2321B
ALD2321
A
DVANCED
L
INEAR
D
EVICES,
I
NC.
ORDERING INFORMATION
PIN CONFIGURATION
* Contact factory for industrial temperature range
2004 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com
*N/C pins are connected internally. Do not connect externally.
APPLICATIONS
* Low level signal detector
* Dual limit window comparator
* Power supply voltage monitor
* Photo-detector sensor circuit
* Relay or LED driver
* Oscillators
* Battery operated instruments
* Remote signal detection
Operating Temperature Range*
0
°
C to +70
°
C 0
°
C to +70
°
C -55
°
C to +125
°
C
16-pin
Small Outline Package Plastic DIP Package Ceramic DIP Package
(SOIC)
(PDIP) (CDIP)
16-Pin 16-Pin
ALD2321ASC ALD2321APC ALD2321ADC
ALD2321BSC ALD2321BPC ALD2321BDC
ALD2321SC ALD2321PC ALD2321DC
GENERAL DESCRIPTION
The ALD2321A/ ALD2321B/ ALD2321 is a monolithic Precision Dual
Voltage Comparator, each having integrated dual complementary
output drivers. It is constructed using advanced silicon gate CMOS
technology. Key features of the ALD2321A/ ALD2321B/ ALD2321
include very high input impedance, very low offset voltage utilizing on-
chip e-trim (EPAD
electronic-trimming) technology, flexible multiple
output configurations and fast response time with small overdrive
voltage. It is designed for ultra low level signal detection from high
impedance sources. For many applications the ALD2321A/ ALD2321B/
ALD2321 can eliminate an input amplification stage, a precision input
bias stage, a signal level shift stage and an output buffer stage, and do
the entire job from low level input signal detection to high output driver
---- all on a single chip.
The input voltage includes ground, making this voltage comparator ideal
for single supply +5V or dual supply +/- 5V powered systems. For dual
supply applications, GND pin is connected to the most negative supply
instead of Ground (0.0V). The negative supply voltage can be at any
value between 0.0V and -5V. Each voltage comparator is individually
trimmed at the factory for minimum offset voltage at ground voltage
potential, making the ALD2321A/ ALD2321B/ ALD2321 at its best offset
voltage and ready to compare very low signal level voltages at or near
ground potential. Typically a signal less than 1 mV can be resolved and
detected reliably without requiring amplification. Sensor or detector
signals with signal power as low as 0.004 pW(4 x 10
-15
Watt) can be
readily detected.
Each voltage comparator has two complementary output pins, one for
Source Output (OUT
H
)and the other for Sink Output (OUT). This dual
complementary output allows maximum circuit design flexibility. The
outputs can be used as Single-Ended Driver, Multiple WIRED-OR
Outputs, Push-Pull Outputs or Complementary Outputs. The Sink
Output can be used as an open drain output, which has current sink
capability of up to 50 mA. It can also be connected to an external voltage
higher or lower than V+, which provide level shift of the output swing
levels from other than V+ to GND.
PRODUCT FEATURES
* Ultra low signal power of 4 fW detectable
* Ultra low offset voltage of max. 0.2 mV
* Ultra low input bias currents of typ. 0.01pA
* Low supply current of 110
μ
A typical
* Virtually eliminates source impedance effects
* Low operating supply voltage of 3V to 10V
* Single +5V and dual supply
±
5V operation
* High speed for both small and large level
signals 300ns typical for TTL inputs
* CMOS, NMOS and TTL compatible
* Each comparator has separate push and pull
outputs
* High output sink current - typically 50mA
* Low supply current spikes
* Fanout of 30 TTL loads
V
+
1
2
3
14
15
16
4
13
5
12
N/C
*
6
7
8
10
11
OUT
1H
-IN
1
OUT
1
VE
11
N/C
*
VE
12
9
VE
22
VE
21
OUT
2H
OUT
2
DC, PC, SC PACKAGE
-IN
2
+IN
2
+IN
1
GND
*
相關PDF資料 |
PDF描述 |
|---|---|
| ALD2321A | ULTRA LOW VOS EPAD DUAL CMOS ANALOG VOLTAGE COMPARATOR |
| ALD2321ADC | ULTRA LOW VOS EPAD DUAL CMOS ANALOG VOLTAGE COMPARATOR |
| ALD4501PE | QUAD PRECISION HIGH SPEED MICROPOWER TIMER |
| ALD4501SE | QUAD PRECISION HIGH SPEED MICROPOWER TIMER |
| ALD4501DE | QUAD PRECISION HIGH SPEED MICROPOWER TIMER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ALD2321_10 | 制造商:ALD 制造商全稱:Advanced Linear Devices 功能描述:ULTRA LOW VOS EPAD?? DUAL CMOS ANALOG VOLTAGE COMPARATOR |
| ALD2321A | 制造商:ALD 制造商全稱:Advanced Linear Devices 功能描述:ULTRA LOW VOS EPAD DUAL CMOS ANALOG VOLTAGE COMPARATOR |
| ALD2321ADC | 制造商:ALD 制造商全稱:Advanced Linear Devices 功能描述:ULTRA LOW VOS EPAD DUAL CMOS ANALOG VOLTAGE COMPARATOR |
| ALD2321APC | 功能描述:校驗器 IC .2mV Prec Dual with Comp Output Drivers RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| ALD2321APCL | 功能描述:校驗器 IC .2mV Prec Dual with Comp Output Drivers RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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