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SGM8705 PDF Datasheet - Shengbang Microelectronics

Part Number SGM8705
Description Push-Pull Output Comparator
Manufacturers Shengbang Microelectronics 
Logo Shengbang Microelectronics Logo 
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SGM8705 datasheet, circuit
SGM8705
Micro-Power, CMOS Input, RRIO, 1.4V,
Push-Pull Output Comparator
GENERAL DESCRIPTION
FEATURES
The SGM8705 is a dual low power comparator with a
typical power supply current of 300nA (per channel). It
has the best-in-class power supply current versus
propagation delay performance. The propagation delay is
as low as 6μs with 100mV overdrive at 1.4V supply.
Designed to operate over a wide range of supply voltages,
from 1.4V to 5.5V, with guaranteed operation at 1.4V,
2.5V and 5.0V, the SGM8705 is ideal for use in a variety
of battery-powered applications. With rail-to-rail common
mode voltage range, the SGM8705 is well suited for
single-supply operation. Its small packages make this
device ideal for use in handheld electronics and mobile
phone applications.
Featuring a push-pull output stage, the SGM8705 allows
for operation with absolute minimum power consumption
when driving any capacitive or resistive load.
Ultra Low Power Consumption:
300nA/Channel (TYP) at VS = 1.4V
Wide Supply Voltage Range: 1.4V to 5.5V
Propagation Delay: 6μs (TYP) at VS = 1.4V
Push-Pull Output Current Drive:
19mA (TYP) at VS = 5V
Rail-to-Rail Input
-40to +85Operating Temperature Range
Available in Green SOIC-8 and MSOP-8 Packages
APPLICATIONS
RC Timers
Window Detectors
IR Receiver
Multivibrators
Alarm and Monitoring Circuits
SGM8705 is available in Green SOIC-8 and MSOP-8
packages. It is rated over the -40°C to +85°C
temperature range.
SG Micro Corp
www.sg-micro.com
REV. A. 2

1 page
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SGM8705 pdf, schematic
SGM8705
Micro-Power, CMOS Input, RRIO, 1.4V,
Push-Pull Output Comparator
PACKAGE/ORDERING INFORMATION
MODEL
SGM8705
PIN-
PACKAGE
SOIC-8
MSOP-8
SPECIFIED
TEMPERATURE
RANGE
-40to +85
-40to +85
ORDERING
NUMBER
SGM8705YS8G/TR
SGM8705YMS8G/TR
PACKAGE
MARKING
SGM8705YS8
SGM8705YMS8
PACKAGE
OPTION
Tape and Reel, 2500
Tape and Reel, 3000
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, +VS to -VS………………………………….…...6V
VIN Differential….................................................................±2.5V
Voltage at Input/Output pins……….. (-VS) - 0.3V to (+VS) + 0.3V
Operating Temperature Range............................-40to +85
Junction Temperature....................................................... 150
Storage Temperature.........................................-65to +150
Lead Temperature (soldering, 10s) ...................................260
ESD Susceptibility
HBM..................................................................................4000V
MM......................................................................................400V
NOTE:
Stresses beyond those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device. These
are stress ratings only, and functional operation of the device at
these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied.
Exposure to absolute maximum rating conditions for extended
periods may affect device reliability.
PIN CONFIGURATIONS (TOP VIEW)
SGM8705
VINA+ 1
VINA- 2
VINB+ 3
VINB- 4
8 +VS
7 VOUTA
6 VOUTB
5 -VS
SOIC-8/MSOP-8
CAUTION
This integrated circuit can be damaged by ESD if you don’t pay
attention to ESD protection. SGMICRO recommends that all
integrated circuits be handled with appropriate precautions.
Failure to observe proper handling and installation procedures
can cause damage. ESD damage can range from subtle
performance degradation to complete device failure. Precision
integrated circuits may be more susceptible to damage because
very small parametric changes could cause the device not to
meet its published specifications.
SGMICRO reserves the right to make any change in circuit
design, specification or other related things if necessary without
notice at any time. Please contact SGMICRO sales office to get
the latest datasheet.
SG Micro Corp
www.sg-micro.com
2

2 Page
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SGM8705 equivalent
SGM8705
Micro-Power, CMOS Input, RRIO, 1.4V,
Push-Pull Output Comparator
ELECTRICAL CHARACTERISTICS: VS = 5.0V
(At TA = 25°C, +VS = 5.0V, -VS = 0V, VCM = +VS/2, and VO = -VS, unless otherwise noted.)
PARAMETER
Supply Current (per channel)
Input Offset Voltage
Input Offset Average Drift
SYMBOL
IS
VOS
VCM = 0.3V
VCM = 4.7V
VCM = 0V
VCM = 5V
CONDITIONS
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Large Signal Voltage Gain
Output Swing High
Output Swing Low
CMRR
PSRR
AVO
VOH
VOL
VCM Stepped from 0V to 3.9V
VCM Stepped from 4.4V to 5.0V
VCM Stepped from 0V to 5.0V
VS = 1.8V to 5.5V, VCM = 0V
IO = 500μA
-40TA +85
IO = 1mA
-40TA +85
IO = -500μA
-40TA +85
IO = -1mA
-40TA +85
Source
Output Current
IOUT
-40TA +85
Sink
Propagation Delay
(High to Low)
Propagation Delay
(Low to High)
Rise Time
Fall Time
-40TA +85
Overdrive = 10mV
Overdrive = 100mV
Overdrive = 10mV
Overdrive = 100mV
tRise
Overdrive = 10mV, CL = 30pF, RL = 1M
Overdrive = 100mV, CL = 30pF, RL = 1M
tFall
Overdrive = 10mV, CL = 30pF, RL = 1M
Overdrive = 100mV, CL = 30pF, RL = 1M
MIN
-3
-3
66
4.923
4.916
4.864
4.848
14
12.1
15
12.9
TYP
350
300
0.5
0.5
2
85
85
85
95
105
4.952
4.904
52
104
18
19
13
6
42
33
85
85
70
60
MAX
1500
1500
3
3
80
90
130
143
UNITS
nA
mV
µV/
dB
dB
dB
V
mV
mA
μs
μs
ns
ns
SG Micro Corp
www.sg-micro.com
5

5 Page
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SGM8705 diode, scr
SGM8705
Micro-Power, CMOS Input, RRIO, 1.4V,
Push-Pull Output Comparator
TYPICAL PERFORMANCE CHARACTERISTICS
Propagation Delay vs. Overdrive
60
VS = 1.4V
50 VCM = 0.5V
40 -40
30
20 +25
10
0
0
+85
100
200 300 400
Overdrive (mV)
500
30
25
20
15
10
5
0
0
Propagation Delay vs. Overdrive
-40
VS = 1.4V
VCM = 0.9V
+25
+85
100 200 300 400 500
Overdrive (mV)
60
50
40
30
20
10
0
0
Propagation Delay vs. Overdrive
VS = 2.5V
VCM = 0.5V
-40
+25
+85
100 200 300 400
Overdrive (mV)
500
60
50
40
30
20
10
0
0
Propagation Delay vs. Overdrive
-40
VS = 5V
VCM = 4.5V
+25
+85
100 200 300 400 500
Overdrive (mV)
100
80
60
40
20
0
0
Propagation Delay vs. Overdrive
-40
VS = 5V
VCM = 0.5V
+25
+85
100 200 300
Overdrive (mV)
400
500
1200
1000
Offset Voltage vs. Common Mode Input
VS = 5V
800
-40
600
400
200
0
0
+25+85
1234
Common Mode Input (V)
5
SG Micro Corp
www.sg-micro.com
9

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Information Total 15 Pages
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