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ALD2302ADA Datasheet(PDF) 1 Page - Advanced Linear Devices |
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ALD2302ADA Datasheet(HTML) 1 Page - Advanced Linear Devices |
1 / 9 page 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 DUAL PRECISION CMOS VOLTAGE COMPARATOR WITH PUSH-PULL DRIVER ALD2302A/ALD2302 APPLICATIONS • 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 • Battery operated instruments • Remote signal detection • Multiple relay drivers BENEFITS • On-chip input and output buffers • Precision voltage comparison capability • Eliminate need for second power supply • Eliminate pull-up resistor ADVANCED LINEAR DEVICES, INC. GENERAL DESCRIPTION The ALD2302A/ALD2302 are monolithic precision high performance dual voltage comparators built with advanced silicon gate CMOS technology. The primary features are: very high typical input impedance of 1012Ω; low input bias current of 10pA; fast response time of 180ns; very low power dissipation of 175µA per comparator; and single (+5V) or dual (±5V) power supply operation. The input voltage range includes ground, which makes these compara- tors ideal for single supply low level signal detection with high source impedance. The outputs can source and sink current allowing for application flexibility. They can be used in either wired-OR connection without pull-up resistor or push-pull configuration. The ALD2302A/ ALD2302 can also be used in wired-OR connection with other open drain circuits such as the ALD2301/ALD2303 voltage comparators. The ALD2302A/ALD2302 voltage comparators are ideal for a great variety of applications, especially in low level signal detection circuits which require low standby power and high output current. For quad packages, use the ALD4302A/ALD4302 quad voltage comparator. FEATURES • Guaranteed to drive 200Ω loads • Fanout of 30LS TTL loads • Low supply current of 175µA each comparator • Pinout of LM193 type industry standard comparators • Extremely low input bias currents -- typically 10pA • Virtually eliminates source impedance effects • Low operating supply voltage of 4V to 10V • Single (+5V) and dual supply (±5V) operation • High speed for both large and small signals -- 180ns for TTL inputs and 400ns for 20mV overdrive • CMOS, NMOS and TTL compatible • Push-pull outputs-current sourcing/ sinking • High output sinking current -- typically 60mA • Low supply current spikes • High gain -- 100V/mV Operating Temperature Range * 0°C to +70°C 0°C to +70°C -55°C to +125°C 8-Pin 8-Pin 8-Pin Small Outline Plastic Dip CERDIP Package (SOIC) Package Package ALD2302ASAL ALD2302APAL ALD2302ADA ALD2302SAL ALD2302PAL ALD2302DA * Contact factory for leaded (non-RoHS) or high temperature versions. ORDERING INFORMATION (“L” suffix for lead free version) BLOCK DIAGRAM (1) OUT 1 (7) OUT 2 (4) GND V+ NONINVERTING INPUT +IN 1 (3) INVERTING INPUT -IN 2 (6) NONINVERTING INPUT +IN 2 (5) INVERTING INPUT -IN 1 (2) (8) V+ PIN CONFIGURATION 1 2 3 4 8 7 6 5 OUT 1 -IN 1 +IN 1 GND V+ OUT 2 -IN 2 +IN 2 SAL, PAL, DA PACKAGES |
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