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GMA7496L Datasheet(PDF) 4 Page - Gamma Microelectronics Inc.

Part # GMA7496L
Description  2W2W AMPLIFIER WITH DC VOLUME CONTROL
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Manufacturer  GAMMA [Gamma Microelectronics Inc.]
Direct Link  http://www.gammamicro.com.tw/
Logo GAMMA - Gamma Microelectronics Inc.

GMA7496L Datasheet(HTML) 4 Page - Gamma Microelectronics Inc.

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GMA7496L
2W+2W AMPLIFIER WITH
DC VOLUME CONTROL
Electrical Characteristics Refer to the test circuit: V
S = 14V, RL = 8Ω, Rg = 50 Ω, TA = 25ºC
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Supply Voltage
VS
10
18
V
Total Quiescent Current
IQ
25
50
mA
Output DC Offset Referred to
SVR Potential
DCVOS
No Input Signal
200
mV
Quiescent Output Voltage
VO
6.0
6.7
8.0
V
THD = 10%, RL = 8Ω
1.6
2
Output Power
PO
THD = 1%, RL = 8Ω
1.3
W
Total Harmonic Distortion
THD
GV = 30dB, PO = 1W, f = 1kHz
0.4
%
Output Peak Current
IPEAK
(Internally Limited)
0.7
0.9
A
Input Signal
VIN
2.8
VRMS
Closed Loop Gain
GV
Vol Ctrl > 4.5V
28.5
30
31.5
dB
Monitor Out Gain
GVLine
Vol Ctrl > 4.5V, Zload > 30KΩ
-1.5
0
1.5
dB
Attenuation at Minimum
Volume
AMIN VOL
Vol Ctrl < 0.5V
80
dB
Frequency Response
BW
0.6
MHz
f = 20Hz to 22KHz, Play Max
Volume
500
800
f = 20Hz to 22KHz, Play Max
Attenuation
100
250
Total Output Noise
eN
f = 20Hz to 22KHz, Mute
60
150
µV
Slew Rate
SR
5
8
V/µS
Input Resistance
Ri
22.5
30
kΩ
Variable Output Resistance
RVar Out
30
100
Ω
Variable Output Load
Rload Var
2
kΩ
f = 1kHz, Max Volume,
CSVR = 470µF, VRIP = 1Vrms
35
39
Supply voltage Rejection
SVR
f = 1kHz, Max Attenuation,
CSVR = 470µF, VRIP = 1Vrms
55
65
dB
Thermal Muting
TM
150
ºC
Thermal Shut-down
TS
160
ºC


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