ST TS3702C, TS3702I, TS3702M User Manual
TS3702
TS3702C,I,M
MICROPOWER DUAL CMOS VOLTAGE COMPARATORS
.PUSH-PULL CMOS OUTPUT (NO EXTER-
.NAL PULL-UP RESISTOR REQUIRED) EXTREMELY LOW SUPPLY CURRENT :
.9μA TYP / COMPARATOR
WIDE SINGLE SUPPLY RANGE (3V TO 16V)
.OR DUAL SUPPLIES (± 1.5V TO ± 8V) EXTREMELY LOW INPUT BIAS CURRENT :
.1pA TYP
EXTREMELY LOW INPUT OFFSET
.CURRENT : 1pA TYP
INPUT COMMON-MODE VOLTAGE RANGE
.INCLUDES GND
.HIGH INPUT IMPEDANCE : 1012Ω TYP
FAST RESPONSE TIME : 2μs TYP FOR 5mV
.OVERDRIVE
PIN-TO-PIN AND FUNCTIONALLY COMPATIBLE WITH BIPOLAR LM393
N |
D |
DIP8 |
SO8 |
(Plastic Package) |
(Plastic Micropackage) |
ORDER CODES
Part Number |
Temperature |
Package |
||
Range |
N |
D |
||
|
||||
|
|
|||
TS3702C |
0oC, +70oC |
● |
● |
|
TS3702I |
-40oC, +125oC |
● |
● |
|
TS3702M |
-55oC, +125oC |
● |
● |
|
Example : TS3702CN
PIN CONNECTIONS (top view)
DESCRIPTION
The TS3702 is a micropower CMOS dual voltage comparator with extremely low consumption of 9μA typ / comparator (20 times less than bipolar LM393). The push-pull CMOS output stage allows power and space saving by eliminating the external pull-up resistor required by usual open-collector output comparators.
Thus response times remain similar to the LM393.
Output 1 |
1 |
|
|
8 |
+ |
|
|
VCC |
|||
Inverting Input 1 |
2 |
- |
|
7 |
Output 2 |
Non-inverting Input 1 |
3 |
+ |
- |
6 |
Inverting Input 2 |
- |
4 |
|
+ |
5 |
Non-inverting Input 2 |
VCC |
|
October 1997 |
1/5 |
TS3702C,I,M
SCHEMATIC DIAGRAM (for 1/2 TS3702)
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|
VCC |
+ |
|
|
T1 |
T2 |
T9 |
T10 |
|
T17 |
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R1 |
T11 |
T12 |
T18 |
T21 |
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Input - |
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Input + |
|
T3 |
T4 |
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Output |
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|
T13 |
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T8 |
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T19 |
T20 |
T5 |
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T7 |
T14 |
T15 |
T16 |
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T6 |
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VCC -
MAXIMUM RATINGS
Symbol |
Parameter |
Value |
Unit |
+ |
Supply Voltage - (note 1) |
18 |
V |
VCC |
|||
Vid |
Differential Input Voltage - (note 2) |
±18 |
V |
Vi |
Input Voltage - (note 3) |
18 |
V |
VO |
Output Voltage |
18 |
V |
IO |
Output Current |
20 |
mA |
Toper |
Operating Free-Air Temperature Range |
0 to +70 |
oC |
|
TS3702C |
|
|
|
TS3702I |
-40 to +125 |
|
|
TS3702M |
-55 to +125 |
|
Tstg |
Storage Temperature Range |
-65 to +150 |
oC |
Notes : 1. |
All voltage values, except differential voltage, are with respect to network ground terminal. |
2. |
Differential voltages are the non-inverting input terminal with respect to the inverting input terminal. |
3. |
The magnitude of the input and the output voltages must never exceed the magnitude of the positive supply voltage. |
4. |
Short circuit from outputs to VCC+ can cause excessive heating and eventual destruction. |
OPERATING CONDITIONS
Symbol |
Parameter |
|
Value |
Unit |
+ |
Supply Voltage |
TS3702C,I |
3 to 16 |
V |
VCC |
||||
|
|
TS3702M |
4 to 16 |
|
Vicm |
Common Mode Input Voltage Range |
|
0 to VCC+ -1.5 |
V |
2/5
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