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TS393
Low Power Low Offset Voltage Dual Comparators
SOP-8 DIP-8
Pin assignment: 1. Output A 8. Vcc 2. Input A (-) 7. Output B 3. Input A (+) 6. Input B (-) 4. Gnd 5. Input B (+)
General Description
The TS393 is dual independent precision voltage comparators capable of single-supply or split-supply operation. The specifications as low as 2.0 mV make this device an excellent ground level with single-supply operation. Input offsetvoltage selection for many applications in consumer automotive, and It is designed to permit a common mode rangeto- industrial electronics.
Features
Output voltage compatible with DTL, ECL, TTL, MOS and CMOS Logic levels Low input bias current 25nA Low input offset current 0.5nA Low input offset voltage 2mV(typ) Input common mode range to ground level Differential input voltage range equal to power supply voltage Very low supply current drain (0.4mA) - independent of supply voltage Wide single-supply range 2V~36V Split-supply range 1V to 18V
Block Diagram
Ordering Information
Part No.
TS393CD C3 TS393CS RL
Package
DIP-8 SOP-8
Packing
50pcs / Tube 2.5Kpcs / 13" Reel
Absolute Maximum Rating
Parameter
Supply Voltage Differential Input Voltage Input Common Mode Voltage Range Input Current Output Short Circuit to Ground Output Sink Current Operating Temperature Range Junction Temperature
Symbol
VCC VIDR VICR IIN ISC ISINK TOPR TJ
Limit
+36 or 18 36 -0.3 to 36 50 Continuous 20 0 ~ +70 150
Unit
V V V mA mA
o o o
C C
Storage Temperature Range TSTG -65 ~ +150 C o Lead Temperature 1.6mm(1/16") from case for 10Sec. TLEAD 260 C Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. Note 1. The maximum output current may be as high as 20mA, independent of the magnitude of VCC Output short circuits to VCC can cause excessive heating and eventual destruction 1/1 Version: A09
TS393
Low Power Low Offset Voltage Dual Comparators
Electrical Characteristics (VCC = 5V, Ta=25oC; unless otherwise specified.)
Characteristics
Input Offset Voltage (note 3) Input Offset Current IIN(+) - IIN(-), VCM=0V Input Offset Current (note 4) IIN(+) - IIN(-), VCM=0V Input Common Mode Voltage Range VCC=30V Voltage Gain RL 15K, VCC =15V, Vo=1V~11V Large Signal Response Time Vin=TTL Logic Swing. VREF = 1.4V, VRL=5V. RL=5.1K Response Time (note 6) VRL=5V. RL=5.1K Output Sink Current VIN(-)=1V, VIN(+)=0V, Vo1.5V Output Saturation Voltage VIN(-)=1V, VIN(+)=0V, ISINK4mA Output Leakage Current VIN(-)=0V, VIN(+)=1V, Vo=5V Supply Current RL = , VCC =5V RL = , VCC =36V ICC --0.4 1.0 1.0 2.5 mA tTLH ISINK VOL IOL -6.0 --1.3 16 250 0.1 --400 -uS mA mV nA --300 -nS
Symbol
VIO IIO IIB VICR AVOL
Min
----0 50
Typ
2 ---200
Max
5 50 250 VCC-1.5 --
Unit
mV nA nA V V/mV
Note 1. The max. Output current may be as high as 20mA, independent of the magnitude of VCC, output short circuits to VCC can cause excessive heating and eventual destruction. Note 2. This magnitude of input current will only occur if the input leads are driven more negative than ground or the negative supply voltage. This is due to the input PNP collector base junction becoming forward biased acting as an input clamp diode. There is also a lateral PNP parasitic transistor action on the IC chip. This phenomena can cause the output voltage of the comparators to go to the VCC voltage level (or ground if overdrive is large) during the time the input is driven negative. This will not destroy the device and normal output states will recover when the inputs become -0.3V of ground or negative supply. Note 3. At output switch point, VO=1.4Vdc, RS=0 with VCC from 5Vdc to 30Vdc, and over the full input common-mode Note 4. Due to the PNP transistor inputs, bias current will flow out of the inputs, this current is essentially constant independent of the output state, therefore, no loading changes will exist on the input lines. Note 5. Input common mode of either input should not be permitted to go more than 0.3V negative of ground or minus supply. The upper limit of common mode range is VCC - 1.5V but either or both inputs can betaken to as high as 30volts without damage. Note 6. Response time is specified with a 100mV step and 5.0mV of overdrive. With larger magnitudes of overdrive faster response times are obtainable.
2/2
Version: A09
TS393
Low Power Low Offset Voltage Dual Comparators
Electrical Characteristics Curve
Figure 1. Input Bias Current vs. Power Supply Voltage
Figure 2. Output Saturation Voltage vs. Output Sink Current
Figure 3. Power Supply Current vs. Power Supply Voltage
Application information
This dual comparator feature high gain, wide bandwidth characteristics. This gives the device oscillation tendencies if the outputs are capacitive coupled to the inputs via stray capacitance. This oscillation manifests itself during output transitions (VOL to VOH). To alleviate this situation input resistors<10K should be used. The addition of positive feedback (<10 mV) is also recommended. It is good design practice to ground all unused pins. Differential input voltages may be larger than supply voltage without damaging the comparator's inputs. Voltages more negative than -0.3V should not be used.
3/3
Version: A09
TS393
Low Power Low Offset Voltage Dual Comparators
Application information (Continue)
Figure 4. Zero Crossing Detector (Single Supply)
Figure 5. Zero Crossing Detector (Single Supply)
Figure 6. Time Delay Generator
Figure 7. Free-Running Square-Wave Oscillator
Figure 8. Comparator with Hysteresis
4/4
Version: A09
TS393
Low Power Low Offset Voltage Dual Comparators
SOP-8 Mechanical Drawing
DIM A B C D F G K M P R
SOP-8 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX. 4.80 5.00 0.189 0.196 3.80 4.00 0.150 0.157 1.35 1.75 0.054 0.068 0.35 0.49 0.014 0.019 0.40 1.25 0.016 0.049 1.27BSC 0.05BSC 0.10 0.25 0.004 0.009 0 7 0 7 5.80 6.20 0.229 0.244 0.25 0.50 0.010 0.019
Marking Diagram
Y = Year Code M = Month Code (A=Jan, B=Feb, C=Mar, D=Apl, E=May, F=Jun, G=Jul, H=Aug, I=Sep, J=Oct, K=Nov, L=Dec) L = Lot Code
5/5
Version: A09
TS393
Low Power Low Offset Voltage Dual Comparators
DIP-8 Mechanical Drawing
DIM A B C D G J K L M
DIP-8 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX 9.07 9.32 0.357 0.367 6.22 6.48 0.245 0.255 3.18 4.45 0.125 0.135 0.35 0.55 0.019 0.020 2.54 (typ) 0.10 (typ) 0.29 0.31 0.011 0.012 3.25 3.35 0.128 0.132 7.75 8.00 0.305 0.315 o o 10 10
Marking Diagram
Y = Year Code M = Month Code (A=Jan, B=Feb, C=Mar, D=Apl, E=May, F=Jun, G=Jul, H=Aug, I=Sep, J=Oct, K=Nov, L=Dec) L = Lot Code
6/6
Version: A09
TS393
Low Power Low Offset Voltage Dual Comparators
Notice
Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, to any intellectual property rights is granted by this document. Except as provided in TSC's terms and conditions of sale for such products, TSC assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify TSC for any damages resulting from such improper use or sale.
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Version: A09

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