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ALD4303SBL

更新时间： 2024-01-19 09:48:01
品牌 Logo 应用领域
先进线性 - ALD 比较器驱动
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9页 86K
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QUAD PRECISION MICROPOWER CMOS VOLTAGE COMPARATOR WITH DRIVER

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ALD4303SBL 数据手册

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ADVANCED  
LINEAR  
DEVICES, INC.  
ALD4303A/ALD4303  
QUAD PRECISION MICROPOWER CMOS VOLTAGE COMPARATOR WITH DRIVER  
APPLICATIONS  
GENERAL DESCRIPTION  
• Sensor detection circuits  
• PCMCIA instruments  
• MOSFET driver  
• High source impedance voltage  
comparison circuits  
• Multiple limit window comparator  
• Power supply voltage monitor  
• Photodetector sensor circuit  
• High speed LED driver  
• Oscillators  
The ALD4303A/ALD4303 is a precision monolithic high performance  
quad voltage comparator with open drain output built with advanced  
silicon gate CMOS technology. It features very high typical input  
impedance of 10 Ω; low input bias current of 10pA; very low power  
dissipation of 7.5µA per comparator; micropower operation; high  
output drive and single (+5V) or dual (±5V) power supply operation.  
12  
The input voltage range includes ground, making this comparator  
ideal for single supply low level signal detection with high source  
impedance. The ALD4303A/ALD4303 can be used in connection with  
other voltage comparator circuits such as the ALD2301, ALD2302,  
and ALD4302 voltage comparators. The outputs can be connected to  
• Battery operated instruments  
• Remote signal detection  
• Multiple relay drivers  
+
a higher external voltage than V and used in a wired-OR connection  
with other open drain circuits such as the ALD2301 and ALD2303.  
They can also be used with push-pull output types such as the  
ALD2302 and ALD4302 voltage comparators simultaneously with  
open drain comparators using a common V+. The ALD4303A/ALD4303  
is ideal for a great variety of voltage comparator applications, espe-  
cially micropower detection circuits requiring very low input currents,  
high output currents and low standby power.  
PIN CONFIGURATION  
02  
01  
1
2
14  
13  
03  
04  
+
12  
11  
10  
9
3
4
V
GND  
FEATURES  
-IN  
+IN  
-IN  
+IN  
-IN  
1
1
2
2
4
• 3V, 5V and 10V supply  
• Guaranteed to drive 200Ω loads  
• Fanout of 30LS TTL loads  
5
6
7
+IN  
-IN  
4
• Guaranteed maximum supply current of 22µA per comparator  
• Industry standard pinout of LM393 type  
• Extremely low input bias currents -- typically 10pA  
• Virtually eliminates source impedance effects  
• Single (+5V) and dual supply (±5V) operation  
• CMOS, NMOS and TTL compatible  
• Open drain wired-OR outputs  
• Compatible with push-pull outputs  
• High output sinking current -- typically 60mA  
• Low supply current spikes  
3
+IN  
8
3
SBL, PBL, DB PACKAGES  
BLOCK DIAGRAM  
+
V
(3)  
INVERTING INPUT  
-
• High gain -- 100V/mV  
- IN (4)  
1
(2) OUT  
(1) OUT  
1
NONINVERTING INPUT  
+
+IN (5)  
1
ORDERING INFORMATION (“L” suffix for lead free version)  
INVERTING INPUT  
-
- IN (6)  
2
Operating Temperature Range *  
2
0°C to +70°C  
0°C to +70°C  
-55°C to +125°C  
NONINVERTING INPUT  
+
+ IN (7)  
2
14-Pin  
Small Outline  
Package (SOIC)  
14-Pin  
Plastic Dip  
Package  
14-Pin  
CERDIP  
Package  
INVERTING INPUT  
-
- IN (8)  
3
(14) OUT  
(13) OUT  
3
4
NONINVERTING INPUT  
+
+ IN (9)  
3
-
INVERTING INPUT  
ALD4303ASBL  
ALD4303SBL  
ALD4303APBL  
ALD4303PBL  
ALD4303ADB  
ALD4303DB  
- IN (10)  
4
NONINVERTING INPUT  
+
+ IN (11)  
4
* Contact factory for leaded (non-RoHS) or high temperature versions.  
(12)  
Rev 2.0 ©2010 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, CA 94089-1706 Tel: (408) 747-1155 Fax: (408) 747-1286  
www.aldinc.com  
1234567...9

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