DUAL PRECISION CMOS VOLTAGE COMPARATOR WITH OPEN DRAIN DRIVER GEN

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DUAL PRECISION CMOS VOLTAGE COMPARATOR WITH OPEN DRAIN DRIVER GEN

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ALD2301A/ALD2301B ALD2301/ALD2301C
DUAL PRECISION CMOS VOLTAGE COMPARATOR WITH OPEN DRAIN DRIVER
GENERAL DESCRIPTION monolithic high performance dual voltage comparator built with advanced silicon gate CMOS technology. features very high typical input impedance input bias current 10pA; fast response time 300ns; very power dissipation 55µA comparator; single dual power supply operation. input voltage range includes ground, making this comparator ideal level signal detection with high source impedance. outputs open-drain configuration, allowing maximum application flexibility, such wired-OR connection. outputs connected higher external voltage than ideal great variety voltage comparator applications, especially level signal detection circuits requiring standby power, retaining high output current capability needed.
APPLICATIONS High source impedance voltage comparison circuits Dual limit window comparator Power supply voltage monitor Photo-detector sensor circuit Relay driver Oscillators Battery operated instruments Remote signal detection CONFIGURATION
OUT1
VIEW PACKAGE
FEATURES Fanout loads supply current 110µA typical Functional equivalent LM193 industry standard comparators Extremely input bias currents 10pA typical Virtually eliminates source impedance effects operating supply voltage Single dual supply operation High speed both large signal level signals 300ns typical inputs CMOS, NMOS compatible Wired-OR open drain outputs High output sinking current 60mA typical supply current spikes ORDERING INFORMATION
Operating Temperature Range -55°C +125°C +70°C +70°C 8-Pin CERDIP Package 8-Pin Small Outline Package (SOIC) 8-Pin Plastic Package
BLOCK DIAGRAM
INVERTING INPUT NONINVERTING INPUT INVERTING INPUT NONINVERTING INPUT
2301A 2301B 2301 2301C
ALD2301A 2301B 2301 2301C
ALD2301A ALD2301B ALD2301 ALD2301C
Contact factory industrial temperature range
1998 Advanced Linear Devices, Inc. Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com
ABSOLUTE MAXIMUM RATINGS
Supply voltage, Differential input voltage range Power dissipation Operating temperature range package package Storage temperature range Lead temperature, seconds 13.2V -0.3V +0.3V +70°C -55°C +125°C -65°C +150°C +260°C
OPERATING ELECTRICAL CHARACTERISTICS 25°C unless otherwise specified
Parameter Voltage Supply Supply Current Voltage Gain Input Offset Voltage Input Offset Current1 Input Bias Current1 Common Mode Input Voltage Range2 Symbol 2301 2301A 2301B 2301C Unit RLOAD Test Conditions
V/mV RLOAD RLOAD 1.5K
VICR
-0.3
-1.5
-0.3
-1.5
-0.3
-1.5
-0.3
-1.5
Level Output Voltage
0.15
0.15
0.15
0.15
ISINK 12mA VINPUT Differential
Level Output Current High Level Leakage Current Response Time2
5.1K 15pF 100mV Input Step/5mV Overdrive 5.1K =15pF Level Input Step
Notes
Consists junction leakage currents. Sample tested parameters.
Advanced Linear Devices
ALD2301A/ALD2301B ALD2301/ALD2301C
TYPICAL PERFORMANCE CHARACTERISTICS
SATURATION TAGE vs.TEMPERATURE
TRANSFER FUNCTION
SATURATION VOLTAGE
OUTPUT VOLTAGE
2.5V ISINK 50mA
+6.0
25°C 5.1K
-6.0 -2.5 DIFFERENTIAL INPUT VOLTAGE (mV) +2.5
PERATURE (°C)
COMMON MODE VOLTAGE LIMITS
COMMON MODE VOLTAGE REFERRED SUPPL VOLTAGE
INPUT VOLTAGE (mV)
-0.5 -1.0 V-0.5 2.5V
RESPONSE TIME VARIOUS INPUT OVERDRIVES
25°C ±2.5V
5.1K
VOUT
OUTPUT VOLTAGE
+2.5
-2.5
50mV 20mV
10mV
TEMPERATURE (°C)
(µs)
SATURATION TAGE SINK CURRENT
RESPONSE TIME VARIOUS INPUT OVERDRIVES
INPUT VOLTAGE (mV)
25°C ±2.5V
5.1K
OUTPUT SATURATION VOLTAGE
±2.5V 125°C OUTPUT SINK CURRENT (mA) 85°C 25°C -25°C -55°C
+2.5 -2.5
VOUT
10mV 20mV 50mV
OUTPUT VOLTAGE
TIME
ALD2301A/ALD2301B ALD2301/ALD2301C
Advanced Linear Devices
TYPICAL PERFORMANCE CHARACTERISTICS
TOTAL SUPPLY CURRENT TOTAL SUPPLY VOLTAGE
SUPPLY CURRENT SUPPLY CURRENT (µA)
SUPPLY CURRENT TEMPERATURE
25°C
±2.5V Load comparators
10.0
12.0
SUPPLY VOLTAGE
TEMPERATURE (°C)
INPUT OFFSET VOLTAGE TEMPERATURE
OFFSET VOLTAGE (mV)
TEMPERATURE (°C) 2.5V
TYPICAL APPLICATIONS
DUAL LIMIT WINDOW COMPARATOR
ALD2301 VREF(HIGH)
DUAL LIMIT PHOTO-DETECTOR MONITOR
VExternal
VOLTAGE COMPARATOR WITH COMPLEMENTARY OUTPUTS
RLOAD
BUZZER ALD2301
VREF
ALD2301
VLIMIT2
VOUT
VREF(LOW)
LIGHT VLIMIT
ALD2301
ALD2301
PHOTODETECTOR
ALD2301
MINIMUM RLOAD 1.5K OUTPUT HIGH VREF(HIGH) VREF(LOW)
turns photo-detector voltage reaches LIMIT1. Both horn turns photo-detector voltage reaches VLIMIT2.
EXTERNAL +12V +5V.
Advanced Linear Devices
ALD2301A/ALD2301B ALD2301/ALD2301C

DUAL PRECISION CMOS VOLTAGE COMPARATOR WITH OPEN DRAIN DRIVER GEN

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