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PDF GMA103A Data sheet ( Hoja de datos )
| Número de pieza | GMA103A | |
| Descripción | DUAL OPERATIONAL AMPLIFIER AND VOLTAGE REFERENCE | |
| Fabricantes | Gamma Microelectronics | |
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Description
GMA103A is a monolithic IC that includes one independent
op-amp and another op-amp, for which the non inverting in-
put is wired to a 2.5V fixed Voltage Reference.
This device is offering space and cost saving in many
applications like power supply management or data
acquisition systems.
Application
Battery Charger
Switch Mode Power Supply
Linear Regulator
Features
Low Input Offset Voltage : 0.5mV typ.
Low Supply Current : 350µA/op.
(@ VCC = 5V)
Medium Bandwidth (unity gain) : 0.9MHz
Large Output Voltage Swing : 0V to (VCC - 1.5V)
Input Common Mode Voltage Range Includes
Ground
Wide Power Supply Range : 3 to 32V ±1.5 to
±16V
Fixed Output Voltage Reference 2.5V
0.4% and 1% Voltage Precision
Sink Current Capability : 1 to 100mA
Typical Output Impedance : 0.2W
TYPICAL APPLICATIONS
1
OP1
2 -+
3
+-
OP2
4
VRef
8
7
6
5
www.gammamicro.com 1
1 page  
OPERATOR 2 (op-amp with non-inverting input connected to the internal Vref)
VCC + = +5V, VCC = Ground, Tamb = 25°C (unless otherwise specified)
Parameter
Input Offset Voltage
Tamb= 25°C
Tmin. Tamb Tmax.
Input Offset Current
Input Bias Current
Negative Input
Large Signal Voltage Gain
Vicm= 0V
VCC= 15V, RL= 2K
Supply Voltage Rejection Ration
Vicm= 0V
VCC= 5V to 30V
Output Current Source
VO= 2V, VCC= +15V, Vid= +1V
Short Circuit Ground
VCC= +15V
Output Current Sink
Vid= -1V
VCC= +15V, VO= 2V
High Level Output Voltage
VCC+= 30V
Tamb= 25°C, RL= 10K
Tmin. Tamb Tmax.
Low Level Output Voltage
RL= 10K
Tmin. Tamb Tmax.
Slew Rate at Unity Gain
Vi= 0.5 to 2V, VCC= 15V
RL= 2K, CL= 100pF, unity gain
Gain Bandwidth Product
VCC= 30V, RL= 2K,
CL= 100pF, f= 100kHz, VIN= 10mV
Total Harmonic Distortion
f= 1kHz
AV= 20dB, RL= 2K, VCC= 30V
CL= 100pF, VO= 2Vpp
Symbol
VIO
DVIO
IIB
Avd
Min.
Typ .
0.5
20
100
Max.
3
5
7
Unit
mV
µV/ °C
nA
V/ mV
SVR
Isource
Io
Isink
65 100
dB
20 40
mA
mA
40 60
10 20
mA
VOH
VOL
SR
GBP
27 28
27
V
5 20 mV
20
0.2 0.4
V/ µs
0.5 0.9
Mhz
THD
0.02
%
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet GMA103A.PDF ] | |
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