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ALD2303A Datasheet(PDF) 1 Page - Advanced Linear Devices |
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ALD2303A 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 MICROPOWER CMOS VOLTAGE COMPARATOR WITH DRIVER ALD2303A/ALD2303 APPLICATIONS • 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 • Battery operated instruments • Remote signal detection • Multiple relay drivers BENEFITS • Extremely low power and high precision combination • Built-in high input impedance buffer • Built-in output driver with up to 60mA sink current ADVANCED LINEAR DEVICES, INC. GENERAL DESCRIPTION The ALD2303A/ALD2303 is a precision monolithic high performance dual voltage comparator built with advanced silicon gate CMOS technology. It features very high typical input impedance of 1012Ω; low input bias current of 10pA; very low power dissipation of 7.5µA per comparator; and single (+5V) or dual (±5V) power supply operation. The input voltage range includes ground, making this comparator ideal for single supply low level signal detection with high source impedance. The ALD2303A/ALD2303 can be used in connection with other voltage comparator circuits such as the ALD2301/ALD2302/ ALD4302 voltage comparators. The output can be connected to a higher external voltage than V+. The ALD2303A/ALD2303 is ideal for high precision micropower volt- age comparator applications, especially low level signal detection circuits requiring low standby power, yet retaining high output current capability. Operating Temperature Range * 0°C to +70°C0°C to +70°C -55°C to +125°C 8-Pin 8-Pin 8-Pin Small Outline Plastic Dip CERDIP Package (SOIC) Package Package ALD2303ASAL ALD2303APAL ALD2303ADA ALD2303SAL ALD2303APAL ALD2303DA ORDERING INFORMATION (“L” suffix for lead free version) * Contact factory for leaded (non-RoHS) or high temperature versions. 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+ FEATURES • 3V, 5V, and 10V supply • Guaranteed to drive 200Ω loads • Fanout of 30LS TTL loads • Guaranteed maximum supply current of 20µA for each comparator • Pinout of LM193 type industry standard comparators • 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 • High output sinking current -- typically 60mA • Low supply current spikes • High gain -- 100V/mV 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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