TS7221 SINGLE BiCMOS RAIL TO RAIL µPOWER COMPARATOR ■ ■ ■ ■ ■ ■ ■ ■ RAIL TO RAIL INPUTS OPEN DRAIN OUTPUT SUPPLY OPERATION FROM 2.7V TO 10V TYPICAL SUPPLY CURRENT: 6µA @ 5V RESPONSE TIME OF 0.5µs AT 5V LOW INPUT CURRENT ESD PROTECTION : 2KV (HBM) 200V (MM) L SOT23-5L (Tiny Package) AVAILABLE IN TINY SOT23-5 PACKAGE DESCRIPTION The TS7221 is a micropower comparator featuring rail to rail input performance in a tiny SOT23-5 package. This comparator is ideally suited to space and weight critical applications. It is fully specified at 2.7V, 5V and 10V operations over the industrial temperature range (-40/+85°C). PIN CONNECTIONS (top view) The TS7221 features an open drain output stage. The speed to power ratio makes this device ultra versatile for a wide range of applications. APPLICATIONS ■ ■ ■ ■ ■ ■ TS7221 Open drain output Battery powered systems Notebooks and PDAs PCMCIA cards Cellulars and mobile communication OUT 1 5 Vcc- Alarm and security systems Vcc+ Replacement of amplifiers used in comparator configuration with better performances 2 + IN+ 3 4 IN- ORDER CODE Part Number Temperature Package Range L TS7221AI -40°C, +85°C TS7221BI Example : TS7221AILT • • SOT23-5 Marking K518 K519 L = Tiny Package (SOT23-5) - only available in Tape & Reel (LT) December 2002 1/9 TS7221 ABSOLUTE MAXIMUM RATINGS Symbol ESD VID VIN Parameter Human body model (HBM) Machine model (MM) Unit 2000 200 V (VCC-) -0.3 to (VCC+) +0.3 Differential Input Voltage Input Voltage Value - 1) + V (VCC ) -0.3 to (VCC ) +0.3 V VOUT Output Voltage 12 V VCC Supply voltage 12 V IIN Current at input pins ±5 mA IOUT Current at output pin ± 30 mA TLead Lead temperature (soldering 10 seconds) 250 °C TSTG Storage Temperature -65 to +150 °C TJ Junction Temperature 150 °C 500 mW Value Unit 2.7 to 10 V PD Power dissipation 2) SOT23-5 1. The magnitude of input voltages must never exceed 0.3V beyond the supply voltage. 2. T J= 150°C, TAMB = 25 oC with RTH-JA = 250oC/W for SOT23-5 package OPERATING CONDITIONS Symbol VCC TAMB VICM Parameter Supply Voltage Ambient Temperature Common mode input voltage range -40 to +85 - °C + (VCC ) -0.3 to (VCC ) +0.3 V 2/9 TS7221 ELECTRICAL CHARACTERISTICS VCC+ = 2.7V, TAMB = 25°C (unless otherwise specified) Symbol VIO Parameter Min. Typ. Input Offset Voltage (Full common mode range) TS7221A TMIN ≤ TAMB ≤ TMAX 7 10 TS7221B TMIN ≤ TAMB ≤ TMAX ∆VIO Max. Unit mV 15 18 µV/oC Input Offset Voltage Drift with temperature 6 IIB Input Bias Current 1) TMIN ≤ TAMB ≤ TMAX 1 300 600 pA IIO Input Offset Current 1) TMIN ≤ TAMB ≤ TMAX 1 150 300 pA CMRR Common-mode Rejection Ratio (0 < Vicm < 2.7V) 65 dB PSRR Power Supply Rejection Ratio (2.7 < VCC < 10V) 80 dB 240 dB 2) AVD Voltage Gain VICM Input Common Mode Voltage Range (upper rail) TMIN ≤ TAMB ≤ TMAX 3 2.7 Input Common Mode Voltage Range (lower rail) TMIN ≤ TAMB ≤ TMAX -0.3 0.0 V IOH High Level Output Voltage (IN+=0.5V, IN-=0V & OUT=10V) 0.1 500 nA VOL Low Level Output Voltage - Isink = 2.5mA TMIN ≤ TAMB ≤ TMAX 0.2 0.35 0.45 V ICC Supply Current Output low 6 12 µA Output high 8 14 TPLH TPHL TF TR Response Time Low to High (Vic = 1.35V, CL = 50pF, RL=10kΩ ) Overdrive = 10mV Overdrive = 100mV 1.5 0.6 µs Response Time High to Low (Vic = 1.35V, CL = 50pF, RL=10kΩ ) Overdrive = 10mV Overdrive = 100mV 1.5 0.5 µs Fall Time (CL = 50pF, RL=5kΩ ) Overdrive = 10mV 0.3 µs Rise Time (CL = 50pF, RL=5kΩ ) Overdrive = 10mV 0.3 µs 1) Maximum values include unavoidable inaccurates of the industrial test. 2) Design evaluation. 3) Limits are 100% production tested at +25°C. Limits over temperature are guaranteed through correlation and by design. 3/9 TS7221 ELECTRICAL CHARACTERISTICS VCC+ = 5V, TAMB = 25°C (unless otherwise specified) Symbol VIO Parameter Min. Typ. Input Offset Voltage (Full common mode range) TS7221A TMIN ≤ TAMB ≤ TMAX 7 10 TS7221B TMIN ≤ TAMB ≤ TMAX ∆VIO Max. Unit mV 15 18 µV/oC Input Offset Voltage Drift with temperature 6 IIB Input Bias Current 1) TMIN ≤ TAMB ≤ TMAX 1 300 600 pA IIO Input Offset Current 1) TMIN ≤ TAMB ≤ TMAX 1 150 300 pA CMRR Common-mode Rejection Ratio (0 < Vicm < 5V) 70 dB PSRR Power Supply Rejection Ratio (2.7 < VCC < 10V) 80 dB 240 dB AVD Voltage Gain VICM Input Common Mode Voltage Range (upper rail) TMIN ≤ TAMB ≤ TMAX 5.3 5.0 Input Common Mode Voltage Range (lower rail) TMIN ≤ TAMB ≤ TMAX -0.3 0.0 2) V IOH High Level Output Voltage (IN+=0.5V, IN-=0V & OUT=10V) 0.1 500 nA VOL Low Level Output Voltage - Isink = 5mA TMIN ≤ TAMB ≤ TMAX 0.2 0.40 0.55 V ICC Supply Current Output low 6 12 µA Output high 8 14 Response Time Low to High (VIC = 2.5V, CL = 50pF, RL=10kΩ ) Overdrive = 10mV Overdrive = 100mV 2 0.5 µs Response Time High to Low (Vic = 2.5V, CL = 50pF, RL=10kΩ ) Overdrive = 10mV Overdrive = 100mV 2 0.4 µs TF Fall Time (CL = 50pF, RL=5kΩ ) Overdrive = 10mV 0.3 µs TR Rise Time (CL = 50pF, RL=5kΩ ) Overdrive = 10mV 0.3 µs TPLH TPHL 1) Maximum values include unavoidable inaccurates of the industrial test. 2) Design evaluation. 3) Limits are 100% production tested at +25°C. Limits over temperature are guaranteed through correlation and by design. 4/9 TS7221 ELECTRICAL CHARACTERISTICS VCC+ = 10V, TAMB = 25°C (unless otherwise specified) Symbol VIO Parameter Min. Typ. Input Offset Voltage (Full common mode range) TS7221A TMIN ≤ TAMB ≤ TMAX 7 10 TS7221B TMIN ≤ TAMB ≤ TMAX ∆VIO Max. Unit mV 15 18 µV/oC Input Offset Voltage Drift with temperature 6 IIB Input Bias Current 1) TMIN ≤ TAMB ≤ TMAX 1 300 600 pA IIO Input Offset Current 1) TMIN ≤ TAMB ≤ TMAX 1 150 300 pA CMRR Common-mode Rejection Ratio (0 < Vicm < 10V) 75 dB PSRR Power Supply Rejection Ratio (2.7 < VCC < 10V) 80 dB 240 dB AVD Voltage Gain VICM Input Common Mode Voltage Range (upper rail) TMIN ≤ TAMB ≤ TMAX 10.3 10.0 Input Common Mode Voltage Range (lower rail) TMIN ≤ TAMB ≤ TMAX -0.3 0.0 2) V IOH High Level Output Voltage (IN+=0.5V, IN-=0V & OUT=10V) 0.1 500 nA VOL Low Level Output Voltage - Isink = 5mA TMIN ≤ TAMB ≤ TMAX 0.2 0.40 0.55 V ICC Supply Current Output low 7 14 µA Output high 10 16 TPLH TPHL TF TR Response Time Low to High (Vic = 5V, CL = 50pF, RL=10kΩ ) Overdrive = 10mV Overdrive = 100mV 3 0.5 µs Response Time High to Low (Vic = 5V, CL = 50pF, RL=10kΩ ) Overdrive = 10mV Overdrive = 100mV 4 0.4 µs Fall Time (CL = 50pF, RL=5kΩ ) Overdrive = 10mV 0.3 µs Rise Time (CL = 50pF, RL=5kΩ ) Overdrive = 10mV 0.3 µs 1) Maximum values include unavoidable inaccurates of the industrial test. 2) Design evaluation. 3) Limits are 100% production tested at +25°C. Limits over temperature are guaranteed through correlation and by design. 5/9 TS7221 Supply current versus supply voltage (Output high) Supply current versus supply voltage (Output low) 12 Output low No load T=+85°C 8 6 T=-40°C T=+25°C 4 2 0 T=+85°C 10 Supply current (µA) Supply current (µA) 10 8 6 4 2 0 2 4 6 8 0 10 Output high 0 2 4 Supply voltage (V) 6 8 10 Supply voltage (V) Output sinking current vs Output voltage @ VCC = +2.7V and V CC = +5V VIO vs V ICM & Temperature @ VCC=2.7V 1.0 4 VIO Input offset voltage (mV) VCC = + 5V Output Low Output voltage (V) T=-40°C T=+25°C 0.8 0.6 TAMB=+85°C 0.4 TAMB=+25°C T = -40°C 2 T = +85°C T = +25°C 0 -2 0.2 TAMB=-40°C 0.0 -4 0 2 4 6 8 0.0 10 1.0 1.5 2.0 2.5 3.0 V IO vs VICM & Temperature @ VCC=10V VIO vs V ICM & Temperature @ VCC=5V 6 T = -40°C 2 T = +85°C T = +25°C 0 -2 VIO Input offset voltage (mV) 4 VIO Input offset voltage (mV) 0.5 VICM Common mode voltage (V) Sink current (mA) 4 2 T = +25°C 0 T = +85°C -2 -4 T = -40°C -4 -6 0 1 2 3 4 VICM Common mode voltage (V) 5 0 2 4 6 8 10 VICM Common mode voltage (V) 6/9 TS7221 TPLH vs VICM @ VCC=10V and 10mV overdrive TPLH vs VICM @ VCC=10V and 100mV overdrive 4 TAMB=+25°C R L=10kΩ & C L=50pF TPLH (µs) with 100mV overdrive TPLH (µs) with 10mV overdrive 4 3 2 1 0 TAMB=+25°C RL=10kΩ & CL=50pF 3 2 1 0 0 5 10 0 TPLH vs VICM @ V CC=5V and 10mV overdrive TPLH (µs) with 100mV overdrive TPLH (µs) with 10mV overdrive 4 TAMB=+25°C R L=10kΩ & CL =50pF 3 2 1 0.0 2.5 TAMB=+25°C RL=10kΩ & C L=50pF 3 2 1 0 5.0 0.0 Common mode voltage (V) 5 TPHL (µs) with 100mV overdrive TPHL (µs) with 10mV overdrive 5.0 TPHL vs VICM @ VCC=10V and 100mV overdrive 5 4 3 TAMB=+25°C RL=10kΩ & C L=50pF 2 1 0 5 Common mode voltage (V) 7/9 2.5 Common mode voltage (V) TPHL vs VICM @ V CC=10V and 10mV overdrive 0 10 TPLH vs VICM @ VCC=5V and 100mV overdrive 4 0 5 Common mode voltage (V) Common mode voltage (V) 10 4 TAMB=+25°C RL=10kΩ & CL=50pF 3 2 1 0 0 5 Common mode voltage (V) 10 TS7221 TPHL vs VICM @ VCC=5V and 10mV overdrive TPHL vs VICM @ VCC=5V and 100mV overdrive 3 TAMB=+25°C R L=10kΩ & C L=50pF 2 1 0 TPHL (µs) with 100mV overdrive TPHL (µs) with 10mV overdrive 3 TAMB =+25°C RL=10kΩ & CL=50pF 2 1 0 0.0 2.5 Common mode voltage (V) 5.0 0.0 2.5 5.0 Common mode voltage (V) 8/9 TS7221 TS7221ILT PACKAGE MECHANICAL DATA 5 PINS - TINY PACKAGE (SOT23) A E A2 D b A1 L C E1 Millimeters Inches Dimensions A A1 A2 B C D D1 e E F L K Min. Typ. Max. Min. Typ. Max. 0.90 0 0.90 0.35 0.09 2.80 1.20 1.45 0.15 1.30 0.50 0.20 3.00 0.035 0.047 0.035 0.014 0.004 0.110 3.00 1.75 0.60 10d 0.102 0.059 0.012 0d 0.041 0.016 0.006 0.114 0.075 0.037 0.110 0.063 0.014 0.057 0.006 0.051 0.020 0.008 0.118 2.60 1.50 0.3 0d 1.05 0.40 0.15 2.90 1.90 0.95 2.80 1.60 0.5 0.118 0.069 0.024 10d Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics © 2003 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom http://www.st.com 9/9