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GMA7496LD20 bảng dữ liệu(PDF) 4 Page - Gamma Microelectronics Inc.

tên linh kiện GMA7496LD20
Giải thích chi tiết về linh kiện  2W2W AMPLIFIER W/ DC VOLUME CONTROL
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nhà sản xuất  GAMMA [Gamma Microelectronics Inc.]
Trang chủ  http://www.gammamicro.com.tw/
Logo GAMMA - Gamma Microelectronics Inc.

GMA7496LD20 bảng dữ liệu(HTML) 4 Page - Gamma Microelectronics Inc.

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4
ELECTRICAL CHARACTERISTICS
( Refer to the test circuit V = 14V; R = 8W, R = 50 , Tamb = 25°C).
SL
g
Parameter
TEST CONDITIONS
Min
Typ
Max
Unit
SYMBOL
Supply Voltage Range
Total Quiescent Current
Quiescent Output Voltage
Total Harmonic Distortion
Output Peak Current
Input Signal
Closed Loop Gain
Monitor Out Gain
Attenuation at Minimum Volume
Slew Rate
Input Resistance
Variable Output Resistance
Variable Output Load
Thermal Muting
Thermal Shut-Down
MUTE STAND- BY & INPUT SELECTION FUNCTIONS
Stand- by ON Threshold
Stand- by OFF Threshold
Mute ON Threshold
Mute OFF Threshold
Quiescent Current @ Stand- by
Mute Bias Current
Mute Attenuation
Mute Attenuation
Stand- by Bias Current
Supply Voltage Rejection
Total Output Noise
Output Power
Output DC Offset Referred to
SVR Potential
V
S
I
Q
V
O
THD
I
peak
V
IN
G
V
G
VLine
AV
min
OL
SR
Ri
Rvar out
R
load var out
T
M
T
S
V
ST ON
V
ST OFF
V
M ON
V
M OFF
I
QST-BY
I
muteBIAS
A
MUTE
I
stbyBIAS
SVR
e
N
BW
P
O
DCV
OS
10
25
7
0.4
0.9
2.8
31.5
1.5
2
1.3
200
18
50
V
mA
V
%
A
Vrms
dB
dB
dB
V/ µs
KW
W
KW
°C
°C
V
V
V
V
mA
dB
dB
µV
µV
µV
MHz
W
W
mV
No Input Signal
THD= 10%; R = 8W
L
THD= 1%; R = 8W
L
1.6
G = 30dB; P =1W; f= 1kHz
VO
(Internally Limited)
0.7
Vol Ctrl > 4.5V
Vol Ctrl > 4.5V; Zload > 30KW
Vol Ctrl < 0.5V
f= 20Hz to 22kHz Play, max volume
f= 20Hz to 22kHz Play, max attenuation
f= 20Hz to 22kHz Mute
28.5
-1.5
80
5
22.5
100
500
100
60
0.6
30
0
800
250
150
8
30
30
2
150
160
3.5
1.5
3.5
0.6
1
65
0.2
-5
80
35
55
f= 1kHz; max volume
C
= 470µF; V
= 1V
SVR
RIP
rms
f= 1kHz; max attenuation
C
= 470µF; V
= 1V
SVR
RIP
rms
39
65
1.5
1
5
50
-20
dB
µA
Stand by on V
= 5V
ST-BY
V
= 5V
MUTE
Play or Mute
µA
Mute
Play
2
µA
µA
A
A
MICROELECTRONICS
GMA7496L
Audio Amp.
Frequency Response
2W+2W AMPLIFIER W/ DC VOLUME CONTROL


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