TS3704 VOLTAGE COMPARATORS Datasheet

TS3704 Datasheet, PDF, Equivalent


Part Number

TS3704

Description

MICROPOWER QUAD CMOS VOLTAGE COMPARATORS

Manufacture

STMicroelectronics

Total Page 11 Pages
Datasheet
Download TS3704 Datasheet


TS3704
TS3704
Micropower quad CMOS voltage comparators
Features
Push-pull CMOS output (no external pull-up
resistor required)
Extremely low supply current: 9μa typ per
comparator
Wide single supply range 2.7V to 16V or dual
supplies (±1.35V 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
Last response time: 2μs typ. for 5mV overdrive
Pin-to-pin and functionally compatible with
bipolar LM339
Description
The TS3704 is a micropower CMOS quad voltage
comparator with extremely low consumption of
9μA typ / comparator (20 times less than bipolar
LM339). 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 LM339.
N
DIP14
(Plastic package)
D
SO14
(Plastic micropackage)
P
TSSOP14
(Thin shrink small outline package)
Pin connections
(Top view)
Output 2 1
Output 1 2
VCC + 3
Inverting Input 1 4
Non-inverting Input 1 5
Inverting Input 2 6
Non-inverting Input 2 7
-
+
-
+
14 Output 3
13 Output 4
12 VCC -
+ 11 Non-inverting Input 4
- 10 Inverting Input 4
+ 9 Non-inverting Input 3
- 8 Inverting Input 3
February 2007
Rev 3
1/11
www.st.com
11

TS3704
Schematic diagram
1 Schematic diagram
TS3704
Figure 1. Schematic diagram (for 1/4 TS3704)
VCC +
T10
T1 T2 T9
T17
R1 T11
Input -
T12
Input +
T18 T21
T3 T4
T8
T13
Output
T19 T20
T5
T7 T14
T15 T16
T6
VCC -
2/11


Features ® TS3704C,I,M MICROPOWER QUAD CMOS VO LTAGE COMPARATORS . . . . . . . . . P USH-PULL CMOS OUTPUT (NO EXTERNAL PULL- UP RESISTOR REQUIRED) EXTREMELY LOW SUP PLY CURRENT : 9µA TYP / COMPARATOR WID E SINGLE SUPPLY RANGE (3V TO 16V) OR DU AL SUPPLIES (± 1.5V TO ± 8V) EXTREMEL Y LOW INPUT BIAS CURRENT : 1pA TYP EXTR EMELY LOW INPUT OFFSET CURRENT : 1pA TY P INPUT COMMON-MODE VOLTAGE RANGE INCLU DES GND HIGH INPUT IMPEDANCE : 1012Ω TYP FAST RESPONSE TIME : 2 µs TYP FOR 5mV OVERDRIVE PIN-TO-PIN AND FUNCTIONAL LY COMPATIBLE WITH BIPOLAR LM339 N DIP 14 (Plastic Package) D SO14 (Plastic M icropackage) P TSSOP14 (Thin Shrink Sm all Outline Package) ORDER CODES Part Number TS3704C TS3704I TS3704M Example : TS3704CN Temperature Range 0 C, +70 C -40oC, +125oC -55 C, +125 C o o o o P ackage N q q q D q q q P q q q PIN C ONNECTIONS (top view) Output 2 1 Outpu t 1 2 VCC + 3 + + + + - 14 13 12 11 10 9 8 Output 3 Output 4 V CC Non-invert ing Input 4 Inverting Input 4 Non-inverting Input 3 Inverting Input 3 .
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