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PDF GS393 Data sheet ( Hoja de datos )
| Número de pieza | GS393 | |
| Descripción | Low Power Low Offset Voltage Dual Comparators | |
| Fabricantes | Globaltech | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de GS393 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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Low Power Low Offset Voltage Dual Comparators
JAN. 2010
Product Description
The GS393 consists of two independent precision
voltage comparators which were designed
specifically to operate from a single power supply
over a wide range of voltages. Operation from split
power supplies is also possible and the low power
supply current drain is independent of the
magnitude of the power supply voltage. These
comparators also have a unique characteristic in
that the input common-mode voltage range
includes ground, even though operated from a
single power supply voltage.
The GS393 was designed to directly interface with
TTL and CMOS. When operated from both plus
and minus power supplies, the GS393 will directly
interface with MOS logic where their low power
drain is a distinct advantage over standard
comparators.
Features
Wide supply Voltage range: 2.0V to 32V.
Low supply current drain independent of
supply voltage.
Low input biasing current: 25 nA typ.
Low input offset current: 5 nA typ.
Low input offset voltage: 3 mV typ.
Input common-mode voltage range includes
GND.
Differential input voltage range equal to the
power supply voltage
Low output saturation voltage.
Output voltage compatible with TTL, MOS
and CMOS logic.
Block Diagram
www.gs-power.com 1
1 page  
Typical Application (VCC=5V)
The GS393 dual comparators feature high gain, wide bandwidth characteristic. This gives the device oscillation
tendencies if the outputs are capacitively coupled to the inputs via stray capacitance. This oscillation manifests
itself during output transitions (VOL to VOH). To alleviate this situation, input resistors＜10kΩ should be used.
The addition of positive feedback (＜10mV) 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 input. Voltage is
more negative than -0.3V should not be used.
Basic Comparator
Driving CMOS
V
+VIN
+VREF
GS393
3.0k
VO
VCC=5V
1/2 GS393
100k
CD40XX
Driving TTL
VCC=5v
GS393
10k
SN74LSxx
SN74LSxx
Pulse Generator
R1=1M D1*
*For large ratios of R1 / R2, D1 can be omitted
R2=100k D2
80pF
VCC
15k
1N914
+15V
1M
1/2 GS393
1M
VOUT
6s 60s
1M
t0 t1
t2
Square-Wave Oscillator
75pF
100k
100k
1/2 GS393
100k
VCC
4.3k
VCC
0
1100kHz
VOUT
100k
Crystal Controlled Oscillator
200k
VCC
100k
2.0k
0.1uF
1/2 GS393
VOUT
20k
CRYSTAL
1 - 100 kHz
www.gs-power.com 5
5 Page 
DIP-8 PLASTIC PACKAGE
PIN 1
MARKING
1/2 e
E1
E
G
GAUGE
PLANE
c
b2
BASE PLANE
SEATING PLANE
A1
D
A2
A
L
D1
1/2 LEAD
4 PLACES
b3
b
e
SYMBOL
A
A1
A2
b
b2
b3
c
D
D1
E
E1
e
eA
eB
eC
L
G
Dimensions
Millimeters
MIN MAX
- 5.33
0.38 -
2.92 4.95
0.36 0.56
1.14 1.78
0.76 1.14
0.20 0.36
9.02 10.16
0.13 -
7.62 8.26
6.10 7.11
2.54 (TYP)
7.62 (TYP)
- 10.92
0.00 1.52
2.92 3.81
0.38 (TYP)
ec
E
eA
eB
MIN
-
.015
.115
.014
.045
.030
.008
.355
.005
.300
.240
-
.000
.115
Inches
.100 (TYP)
.300 (TYP)
.015 (TYP)
MAX
.210
-
.195
.022
.070
.045
.014
.400
-
.325
.280
.430
.060
.150
www.gs-power.com 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet GS393.PDF ] | |
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