ALD2301_10 ALD | Alldatasheet

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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 OPEN DRAIN DRIVER ALD2301A/ALD2301B ALD2301C/ALD2301 ADVANCED LINEAR DEVICES, INC. GENERAL DESCRIPTION The ALD2301A/ALD2301B/ALD2301C/ALD2301 is a monolithic high performance dual voltage comparator built with advanced silicon gate CMOS technology. It features very high typical input impedance of 12Ω; low input bias current of 10pA; fast response time of 300ns; very low power dissipation of 55 µA per comparator; and single (+5V) or dual ( ±5V) power supply operation. The input voltage range includes ground, making this comparator ideal for low level signal detection with high source impedance. The outputs are open-drain configuration, allowing maximum application flexibility, such as wired-OR connection. The outputs can be con- nected to a higher external voltage than V The ALD2301A/ALD2301B/ALD2301C/ALD2301 is ideal for a great variety of voltage comparator applications, especially low level signal detection circuits requiring low standby power, yet retaining high output current capability as needed.

FEATURES

  • Fanout of 30LS TTL loads
  • Low supply current of 110µA typical
  • Functional equivalent to LM193 industry standard comparators
  • Extremely low input bias currents -- typically 10pA
  • Virtually eliminates source impedance effects
  • Low operating supply voltage of 3V to 10V
  • Single (+5V) and dual supply (±5V) operation
  • High speed for both large signal and low level signals -- 300ns typical for TTL inputs
  • CMOS, NMOS and TTL compatible
  • Wired-OR open drain outputs
  • High output sinking current -- typically 60mA
  • Low supply current spikes

APPLICATIONS

  • High source impedance voltage comparison circuits
  • Dual limit window comparator
  • Power supply voltage monitor
  • Photo-detector sensor circuit
  • Relay or LED driver
  • Oscillators
  • Battery operated instruments
  • Remote signal detection BENEFITS
  • Low power and high precision combination
  • Built-in high input impedance buffer
  • Built-in output driver with up to 60mA sink current BLOCK DIAGRAM (1) OUT 1 (7) OUT 2 (4) GND (8) V+ NONINVERTING INPUT +IN 1 (3) INVERTING INPUT NONINVERTING INPUT INVERTING INPUT -IN 1 (2) +IN 2 (5) -IN 2 (6) 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 ALD2301ASAL ALD2301APAL ALD2301ADA ALD2301BSAL ALD2301BPAL ALD2301BDA ALD2301CSAL ALD2301CPAL ALD2301CDA ALD2301SAL ALD2301PAL ALD2301DA ORDERING INFORMATION (“L” suffix for lead free version) * Contact factory for leaded (non-RoHS) or high temperature versions. PIN CONFIGURATION OUT1 -IN 1 +IN 1 GND OUT 2 -IN 2 +IN 2 SAL, PAL, DA PACKAGES

ALD2301A/ALD2301B/ALD2301C/ALD2301 Advanced Linear Devices 2 of 7 Supply V S ±1.5 ±5 ±1.5 ±5 ±1.5 ±5 ±1.5 ±5 V Dual Supply Voltage V + 3 10 3 10 3 10 3 10 V Single Supply Supply I S 110 180 110 180 110 180 110 180 µAR LOAD = ∞ Current Voltage Gain A VD 50 150 50 150 50 150 50 150 V/mV R LOAD ≥ 15KΩ Input Offset V OS 2 5 20 10 mV R LOAD ≥ 1.5KΩ Voltage Input Offset I OS 10 200 10 200 10 400 10 200 pA Current1 Input Bias I B 10 200 10 200 10 400 10 200 pA Current1 Common Mode Input V Voltage Range Output Voltage VINPUT = 1V Differential Low Level Output I OL 24 60 24 60 24 60 24 60 mA V OL = 1.0 V Current High Level Current Response t RP 650 650 650 650 ns R L = 5.1KΩ Time CL = 15pF 100mV Input Step/5mV Overdrive 300 300 300 300 ns R L = 5.1KΩ CL =15pF TTL - Level Input Step OPERATING ELECTRICAL CHARACTERISTICS TA = 25°C V+ = +5V unless otherwise specified 2301A 2301B 2301C 2301 Test Parameter Symbol Min Typ Max Min Typ Max Min Typ Max Min Typ Max Unit Conditions Notes : 1 Consists of junction leakage currents. 2 Sample tested parameters. ABSOLUTE MAXIMUM RATINGS Supply voltage, V+ 10.6V Differential input voltage range -0.3V to V + +0.3V Power dissipation 600 mW Operating temperature range SAL, PAL packages 0 °C to +70°C DA package -55 °C to +125°C Storage temperature range -65°C to +150°C Lead temperature, 10 seconds +260°C

ALD2301A/ALD2301B/ALD2301C/ALD2301 Advanced Linear Devices 3 of 7 TYPICAL PERFORMANCE CHARACTERISTICS SA TURA TION VOL TAGE vs. SINK CURRENT OUTPUT SINK CURRENT (mA) 0 1 53 04 56 07 5 1.5 1.2 0.9 0.6 0.3 0.0 OUTPUT SATURATION VOLTAGE (V) VS = ±2.5V -55°C 25°C -25°C 85°C 125°C TIME ( µS) -2.5 0.0 +2.5 100 OUTPUT VOLTAGE (V) INPUT VOLTAGE (mV) ≈ ≈ TA = 25°C VS = ±2.5V 2mV 10mV 20mV 50mV 5mV RESPONSE TIME FOR VARIOUS INPUT OVERDRIVES 5.1K VIN VOUT SA TURA TION VOL TAGE vs.TEMPERATURE TEMPERATURE ( °C) -55 -25 0 25 50 125 10075 1.4 1.2 1.0 0.8 0.6 0.4 0.2 SATURATION VOLTAGE (V) VS = ± 2.5V ISINK = 50mA TRANSFER FUNCTION DIFFERENTIAL INPUT VOLTAGE (mV) +6.0 -6.0 0.0 OUTPUT VOLTAGE (V) +2.50.0-2.5 TA = 25°C VS = ±6V RL = 5.1K TIME (µs) RESPONSE TIME FOR VARIOUS INPUT OVERDRIVES +2.5 100 0.0 -2.5 INPUT VOLTAGE (mV) OUTPUT VOLTAGE (V) TA = 25°C VS = ±2.5V 50mV 20mV 5mV 10mV 2mV 5.1K VIN VOUT COMMON - MODE VOL TAGE REFERRED TO SUPPL Y VOL TAGE TEMPERATURE (°C) 0.5 -0.5 -1.0 0.5 -0.5 COMMON - MODE VOLTAGE LIMITS (V) -55 -25 0 25 50 125 10075 VS = ± 2.5V

ALD2301A/ALD2301B/ALD2301C/ALD2301 Advanced Linear Devices 4 of 7 TYPICAL APPLICATIONS DUAL LIMIT WINDOW COMPARATOR LED turns on as photo-detector voltage reaches VLIMIT1. Both LED and horn turns on as photo-detector voltage reaches VLIMIT2. VEXTERNAL = +12V V+ = +5V. DUAL LIMIT PHOTO-DETECTOR MONITOR VOLTAGE COMPARATOR WITH COMPLEMENTARY OUTPUTS 1/2 ALD2301 OUTPUT HIGH FOR VIN < VREF(HIGH) MINIMUM RLOAD = 1.5KΩ > AND VOUT VIN VREF(HIGH) 1/2 ALD2301 VREF(LOW) VREF(LOW) RLOAD VIN + Q QVIN VREF 1/2 ALD2301 1/2 ALD2301 VLIMIT2 PHOTO- DETECTOR LIGHT LED BUZZER VLIMIT 1 VExternal 1/2 ALD2301 1/2 ALD2301 TYPICAL PERFORMANCE CHARACTERISTICS (cont'd) 120 100 140 02 5 50 75-25-55 TEMPERATURE (°C) SUPPLY CURRENT (µA) 100 160 180 200 125 VS = ±2.5V No Load All comparators SUPPLY CURRENT vs. TEMPERATURE 2.4 2.2 2.0 1.8 2.6 02 5 50 75-25-55 TEMPERATURE (°C) OFFSET VOLTAGE (mV) 100 2.8 3.0 125 VCM = 0V VS = ± 2.5V INPUT OFFSET VOLTAGE vs. TEMPERATURE 140 120 100 160 SUPPLY VOLTAGE (V) SUPPLY CURRENT (µA) TA = 25°C RL = ∞ TOTAL SUPPLY CURRENT vs. TOTAL SUPPLY VOLTAGE

ALD2301A/ALD2301B/ALD2301C/ALD2301 Advanced Linear Devices 5 of 7

8 Pin Plastic SOIC Package

A b C D-8 E e H L S 1.75 0.25 0.45 0.25 5.00 4.05 6.30 0.937 0.50 0.053 0.004 0.014 0.007 0.185 0.140 0.224 0.024 0.010 0.069 0.010 0.018 0.010 0.196 0.160 0.248 0.037 0.020 1.27 BSC 0.050 BSC 1.35 0.10 0.35 0.18 4.69 3.50 5.70 0.60 0.25 ø L CH S (45°) ø e A b D S (45°) E

ALD2301A/ALD2301B/ALD2301C/ALD2301 Advanced Linear Devices 6 of 7

8 Pin Plastic DIP Package

S b E E1 D e A L c e1 ø Millimeters Inches Min Max Min MaxDim A b c D-8 E e L S-8 ø 3.81 0.38 1.27 0.89 0.38 0.20 9.40 5.59 7.62 2.29 7.37 2.79 1.02 5.08 1.27 2.03 1.65 0.51 0.30 11.68 7.11 8.26 2.79 7.87 3.81 2.03 15° 0.105 0.015 0.050 0.035 0.015 0.008 0.370 0.220 0.300 0.090 0.290 0.110 0.040 0.200 0.050 0.080 0.065 0.020 0.012 0.460 0.280 0.325 0.110 0.310 0.150 0.080 15°

ALD2301A/ALD2301B/ALD2301C/ALD2301 Advanced Linear Devices 7 of 7

8 Pin CERDIP Package

A b C D-8 E e L S Ø 3.55 1.27 0.97 0.36 0.20 5.59 7.73 3.81 3.18 0.38 5.08 2.16 1.65 0.58 0.38 10.29 7.87 8.26 5.08 1.78 2.49 15° Millimeters Inches Min Max Min MaxDim 0.140 0.050 0.038 0.014 0.008 0.220 0.290 0.150 0.125 0.015 0.200 0.085 0.065 0.023 0.015 0.405 0.310 0.325 0.200 0.070 0.098 15°

2.54 BSC

7.62 BSC

0.100 BSC

0.300 BSC

C ø s b L D e A