ADVANCED ALD2301A/ALD2301B LINEAR DEVICES, INC. ALD2301C/ALD2301 DUAL PRECISION CMOS VOLTAGE COMPARATOR WITH OPEN DRAIN DRIVER GENERAL DESCRIPTION FEATURES The ALD2301A/ALD2301B/ALD2301C/ALD2301 is a monolithic high • Fanout of 30LS TTL loads performance dual voltage comparator built with advanced silicon gate • Low supply current of 110µA typical CMOS technology. It features very high typical input impedance of • Functional equivalent to LM193 industry 1012Ω; low input bias current of 10pA; fast response time of 300ns; standard comparators very low power dissipation of 55µA per comparator; and single (+5V) • Extremely low input bias currents or dual (±5V) power supply operation. -- typically 10pA • Virtually eliminates source impedance The input voltage range includes ground, making this comparator effects ideal for low level signal detection with high source impedance. The • Low operating supply voltage of 3V to 10V outputs are open-drain configuration, allowing maximum application • Single (+5V) and dual supply (±5V) operation flexibility, such as wired-OR connection. The outputs can be con- • High speed for both large signal and low nected to a higher external voltage than V+. level signals -- 300ns typical for TTL inputs • CMOS, NMOS and TTL compatible The ALD2301A/ALD2301B/ALD2301C/ALD2301 is ideal for a great • Wired-OR open drain outputs variety of voltage comparator applications, especially low level signal • High output sinking current -- typically 60mA detection circuits requiring low standby power, yet retaining high • Low supply current spikes output current capability as needed. APPLICATIONS PIN CONFIGURATION • High source impedance voltage comparison circuits • Dual limit window comparator • Power supply voltage monitor • Photo-detector sensor circuit OUT1 1 8 V+ • Relay or LED driver • Oscillators -IN 1 2 7 OUT 2 • Battery operated instruments • Remote signal detection +IN 1 3 6 -IN 2 BENEFITS GND 4 5 +IN 2 • Low power and high precision combination • Built-in high input impedance buffer SAL, PAL, DA PACKAGES • Built-in output driver with up to 60mA sink current ORDERING INFORMATION (“L” suffix for lead free version) BLOCK DIAGRAM Operating Temperature Range * 0°C to +70°C 0°C to +70°C -55°C to +125°C (8) V+ INVERTING INPUT 8-Pin 8-Pin 8-Pin -IN 1 (2) Small Outline Plastic Dip CERDIP NONINVERTING INPUT (1) OUT 1 Package (SOIC) Package Package +IN 1 (3) V+ INVERTING INPUT -IN 2 (6) ALD2301ASAL ALD2301APAL ALD2301ADA (7) OUT 2 (cid:31) NONINVERTING INPUT ALD2301BSAL ALD2301BPAL ALD2301BDA +IN 2 (5) ALD2301CSAL ALD2301CPAL ALD2301CDA (4) GND ALD2301SAL ALD2301PAL ALD2301DA * Contact factory for leaded (non-RoHS) or high temperature versions. ©2018 Advanced Linear Devices, Inc., Vers. 2.1 www.aldinc.com 1 of 7

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 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 Supply VS ±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 IS 110 180 110 180 110 180 110 180 µA RLOAD = ∞ Current Voltage Gain AVD 50 150 50 150 50 150 50 150 V/mV RLOAD ≥ 15KΩ Input Offset VOS 2 5 20 10 mV RLOAD ≥ 1.5KΩ Voltage 2.5 5.8 20 11 mV 0°C ≤ TA ≤ +70°C Input Offset IOS 10 200 10 200 10 400 10 200 pA Current1 Input Bias IB 10 200 10 200 10 400 10 200 pA Current1 Common Mode Input VICR -0.3 V+ -1.5 -0.3 V+ -1.5 -0.3 V+ -1.5 -0.3 V+ -1.5 V Voltage Range2 Low Level VOL 0.15 0.4 0.15 0.4 0.15 0.4 0.15 0.4 V ISINK = 12mA Output Voltage VINPUT = 1V Differential Low Level Output IOL 24 60 24 60 24 60 24 60 mA VOL = 1.0 V Current High Level Leakage IOH .01 20 .01 20 .01 20 .01 20 nA VOH = 5.0 V Current Response tRP 650 650 650 650 ns RL = 5.1KΩ Time2 CL = 15pF 100mV Input Step/5mV Overdrive 300 300 300 300 ns RL = 5.1KΩ CL =15pF TTL - Level Input Step Notes : 1 Consists of junction leakage currents. 2 Sample tested parameters. ALD2301A/ALD2301B/ Advanced Linear Devices 2 of 7 ALD2301C/ALD2301

TYPICAL PERFORMANCE CHARACTERISTICS SATURATION VOLTAGE TRANSFER FUNCTION vs.TEMPERATURE 1.4 +6.0 )V( EGA 11..20 VISSI N=K ± =2 .550VmA GE (V) VRTASL === 52±65.1V°KC TLO 0.8 LTA V O 0.0 NO 0.6 T V IT U AR 0.4 TP U U T O A 0.2 S -6.0 0 -55 -25 0 25 50 75 100 125 -2.5 0.0 +2.5 TEMPERATURE (°C) DIFFERENTIAL INPUT VOLTAGE (mV) COMMON - MODE VOLTAGE REFERRED RESPONSE TIME FOR VARIOUS TO SUPPLY VOLTAGE V) INPUT OVERDRIVES TS ( 0.5 V) 0 GE LIMI V+ VS = ± 2.5V NPUTAGE (m 100 V+ TVAS == 2±25.°5CV VOLTA --01..50 IVOLT ≈ VIN +- 5.1KVOUT ≈ DE ≈ ≈ +2.5 0V V- ON - MO 0V.5- TPUTAGE (V) 0.0 50mV 10m5VmV M UT 20mV M OL 2mV O -0.5 O -2.5 C V -55 -25 0 25 50 75 100 125 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 TEMPERATURE (°C) TIME (µs) SATURATION VOLTAGE vs. RESPONSE TIME FOR VARIOUS SINK CURRENT INPUT OVERDRIVES 1.5 V) ON 1.2 V S = ±2.5V PUTGE (m 100 V+ TVAS == 2±52°.5CV ATIV) INLTA 0 VIN + 5.1K URE ( 0.9 VO - VOUT OUTPUT SATVOLTAG 00..63 18255°°CC -2255°°CC TPUTAGE (V) +02..05 ≈ 0V V- 12500mmmVVV 2mV≈ -55°C UT 50mV OL O 0.0 V -2.5 0 15 30 45 60 75 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 OUTPUT SINK CURRENT (mA) TIME ( µS) ALD2301A/ALD2301B/ Advanced Linear Devices 3 of 7 ALD2301C/ALD2301

TYPICAL PERFORMANCE CHARACTERISTICS (cont'd) TOTAL SUPPLY CURRENT vs. SUPPLY CURRENT vs. TEMPERATURE TOTAL SUPPLY VOLTAGE 200 V+ NT (A)µ 116400 +- TRAL == 2∞5°C NT (A)µ 118600 NAVSoll =cLo o±ma2d.p5aVrators RE RE 140 R 120 R CU CU 120 UPPLY 100 UPPLY 100 S 80 S 80 60 2.0 4.0 6.0 8.0 10.0 12.0 -55 -25 0 25 50 75 100 125 SUPPLY VOLTAGE (V) TEMPERATURE (°C) INPUT OFFSET VOLTAGE vs. TEMPERATURE 3.0 2.8 mV) VCM = 0V E ( 2.6 VS = ± 2.5V G A T 2.4 L O V T 2.2 E S F OF 2.0 1.8 -55 -25 0 25 50 75 100 125 TEMPERATURE (°C) TYPICAL APPLICATIONS DUAL LIMIT WINDOW COMPARATOR DUAL LIMIT PHOTO-DETECTOR VOLTAGE COMPARATOR WITH MONITOR COMPLEMENTARY OUTPUTS V+ VExternal 1/2 ALD2301 V+ V+ VREF(HIGH) + RLOAD BUZZER + Q 1/2 ALD2301 - LED - 1/2 ALD2301 VLIMIT2 + VOUT VREF - VIN + VIN + Q - LIGHT VLIMIT 1 + - VREF(LOW) PHOTO- 1/2 ALD2301 1/2 ALD2301 DETECTOR - 1/2 ALD2301 MINIMUM R LOAD = 1.5KΩ OUTPUT HIGH FOR VIN < VREF(HIGH) LED turns on as photo-detector voltage reaches ANDVIN> VREF(LOW) VLIMIT1. Both LED and horn turns on as photo-detector voltage reaches VLIMIT2. VEXTERNAL = +12V V+ = +5V. ALD2301A/ALD2301B/ Advanced Linear Devices 4 of 7 ALD2301C/ALD2301

SOIC-8 PACKAGE DRAWING 8 Pin Plastic SOIC Package E Millimeters Inches Dim Min Max Min Max A 1.35 1.75 0.053 0.069 S (45°) A1 0.10 0.25 0.004 0.010 b 0.35 0.45 0.014 0.018 C 0.18 0.25 0.007 0.010 D-8 4.69 5.00 0.185 0.196 D E 3.50 4.05 0.140 0.160 e 1.27 BSC 0.050 BSC H 5.70 6.30 0.224 0.248 A L 0.60 0.937 0.024 0.037 ø 0° 8° 0° 8° e A1 S 0.25 0.50 0.010 0.020 b (cid:31) S (45°) H C L ø ALD2301A/ALD2301B/ Advanced Linear Devices 5 of 7 ALD2301C/ALD2301

PDIP-8 PACKAGE DRAWING 8 Pin Plastic DIP Package Millimeters Inches Dim Min Max Min Max E E1 A 3.81 5.08 0.105 0.200 A1 0.38 1.27 0.015 0.050 A2 1.27 2.03 0.050 0.080 b 0.89 1.65 0.035 0.065 b1 0.38 0.51 0.015 0.020 c 0.20 0.30 0.008 0.012 D-8 9.40 11.68 0.370 0.460 D S E 5.59 7.11 0.220 0.280 E1 7.62 8.26 0.300 0.325 A2 A e 2.29 2.79 0.090 0.110 A1 L e1 7.37 7.87 0.290 0.310 b e L 2.79 3.81 0.110 0.150 S-8 1.02 2.03 0.040 0.080 ø b1 0° 15° 0° 15° c e1 ø ALD2301A/ALD2301B/ Advanced Linear Devices 6 of 7 ALD2301C/ALD2301

CERDIP-8 PACKAGE DRAWING 8 Pin CERDIP Package E E1 Millimeters Inches Dim Min Max Min Max A 3.55 5.08 0.140 0.200 D A1 1.27 2.16 0.050 0.085 b 0.97 1.65 0.038 0.065 b1 0.36 0.58 0.014 0.023 s A1 C 0.20 0.38 0.008 0.015 D-8 -- 10.29 -- 0.405 A E 5.59 7.87 0.220 0.310 E1 7.73 8.26 0.290 0.325 L L2 L1 e (cid:31)2.54 BSC 0.100 BSC b e1 (cid:31)7.62 BSC 0.300 BSC b1 L 3.81 5.08 0.150 0.200 L1 3.18 -- 0.125 -- e L2 0.38 1.78 0.015 0.070 S -- 2.49 -- 0.098 Ø 0° 15° 0° 15° C ø e1 ALD2301A/ALD2301B/ Advanced Linear Devices 7 of 7 ALD2301C/ALD2301