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SGM8925 Datasheet PDF - Shengbang Microelectronics

Part Number SGM8925
Description Rail-to-Rail Output CMOS Operational Amplifiers
Manufacturers Shengbang Microelectronics 
Logo Shengbang Microelectronics Logo 

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SGM8925 datasheet, circuit
SGM8925/7
110kHz, 6.4μA, Rail-to-Rail Output
CMOS Operational Amplifiers
PRODUCT DESCRIPTION
The SGM8925 and SGM8927 are low power, low offset
voltage and rail-to-rail output voltage feedback amplifiers.
They have a wide output voltage swing, and take the
minimum operating supply voltage down to 1.6V. The
maximum recommended supply voltage is 5.5V.
The SGM8925 and SGM8927 provide 110kHz bandwidth
at a low current consumption of 6.4μA. Very low input
bias currents of 1pA enable these amplifiers to be used
for integrators, photodiode amplifiers, and piezoelectric
sensors. Rail-to-rail output is useful to designers for
buffering ASIC in single-supply systems.
Applications for these amplifiers also include safety
monitoring, portable equipment, battery and power
supply control, signal conditioning and interfacing for
transducers in very low power systems.
The SGM8925 single is available in Green SOT-23-5,
SC70-5, MSOP-8 and SOIC-8 packages. The SGM8927
single with shutdown is available in Green SOT-23-6,
MSOP-8 and SOIC-8 packages. They are specified over
the extended -40to +85temperature range.
FEATURES
Low Offset Voltage: 0.6mV (MAX)
Rail-to-Rail Output
Unity Gain Stable
Gain-Bandwidth Product: 110kHz
Supply Voltage Range: 1.6V to 5.5V
Low Supply Current: 6.4μA (TYP)
Small Packaging:
SGM8925 Available in Green SOT-23-5, SC70-5,
SOIC-8 and MSOP-8 Packages
SGM8927 Available in Green SOT-23-6, SOIC-8
and MSOP-8 Packages
APPLICATIONS
ASIC Input or Output Amplifier
Sensor Interface
Piezoelectric Transducer Amplifier
Medical Instrumentation
Mobile Communication
Audio Output
Portable Systems
Smoke Detectors
Mobile Telephone
Notebook PC
PCMCIA Cards
Battery-Powered Equipment
SG Micro Corp
www.sg-micro.com
REV. A. 3

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SGM8925 equivalent
SGM8925/7
110kHz, 6.4μA, Rail-to-Rail Output
CMOS Operational Amplifiers
ELECTRICAL CHARACTERISTICS: VS = +5V
(At TA = +25, VOUT = VS/2, unless otherwise noted.)
PARAMETER
DC PERFORMANCE
Input Offset Voltage (VOS)
Input Offset Voltage Drift (ΔVOS/ΔT)
Open-Loop Voltage Gain (AOL)
INPUT CHARACTERISTICS
Common Mode Rejection Ratio (CMRR)
OUTPUT CHARACTERISTICS
Output Voltage Swing from Rail
Output Short-Circuit Current (ISC)
POWER-DOWN (SGM8927 ONLY)
Logic Low Voltage (VIL)
Logic High Voltage (VIH)
POWER SUPPLY
Quiescent Current (IQ)
Supply Current when Disabled
(SGM8927 Only)
Power Supply Rejection Ratio (PSRR)
DYNAMIC PERFORMANCE
Gain-Bandwidth Product (GBP)
Slew Rate (SR)
NOISE PERFORMANCE
Input Voltage Noise (en)
CONDITIONS
MIN TYP MAX UNITS
VCM = VS/2
SGM8925YC5G only
RL = 100kto VS/2, VOUT = 0.05V to 4.95V
RL = 10kto VS/2, VOUT = 0.15V to 4.85V
-40TA +85
80
78
0.13
2.5
93
88
0.6
0.75
mV
µV/
dB
VCM = -0.1V to 3.7V
-40TA +85
70 85
68
dB
RL = 10kto VS/2
-40TA +85
RL = 2kto VS/2
-40TA +85
RL = 10to VS/2
-40TA +85
21 36
mV
40
80 100
mV
110
29 36
23
mA
0.8 V
2
IOUT = 0mA
-40TA +85
VS = +1.6V to +5.5V, VCM = 0.3V
-40TA +85
6.4 11.5
μA
13.5
0.1 1.5 μA
64 77
62
dB
RL = 100k, CL = 100pF, VCM = 2.5V
VCM = 2.5V
f = 1kHz
110
0.04
105
kHz
V/μs
nV/ Ηz
SG Micro Corp
www.sg-micro.com
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Information Total 16 Pages
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