參數(shù)資料
型號: MAX9722A
廠商: Maxim Integrated Products, Inc.
英文描述: 5V. Differential-Input. DirectDrive. 130mW Stereo Headphone Amplifiers with Shutdown
中文描述: 5V、差分輸入、DirectDrive、130mW立體聲耳機放大器,帶有關斷
文件頁數(shù): 6/18頁
文件大?。?/td> 537K
代理商: MAX9722A
M
500mW, Low EMI, Filterless,
Class D Audio Amplifier
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
DD
= 3.3V, V
SYNC
= GND, T
A
= +25°C, unless otherwise noted.)
-140
-100
-120
-60
-80
-20
-40
0
OUTPUT FREQUENCY SPECTRUM
M
FREQUENCY (kHz)
O
0
5
10
15
20
SSM MODE
V
= -60dBV
f = 1kHz
R
L
= 8
A-WEIGHTED
0
-100
1M
10M
FREQUENCY (Hz)
100M
1G
WIDEBAND OUTPUT SPECTRUM
(FFM MODE)
-80
M
O
-60
-40
-20
-30
-50
-70
-90
-10
RBW = 10kHz
0
-100
1M
10M
FREQUENCY (Hz)
100M
1G
WIDEBAND OUTPUT SPECTRUM
(SSM MODE)
-80
M
O
-60
-40
-20
-30
-50
-70
-90
-10
RBW = 10kHz
TURN-ON/TURN-OFF RESPONSE
M
MAX9712
OUTPUT
SHDN
0V
250mV/div
3V
10ms/div
f = 1kHz
R
L
= 8
3.0
3.5
4.5
4.0
5.5
5.0
6.0
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
S
2.5
3.0
3.5
4.0
4.5
5.0
5.5
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
0
0.06
0.04
0.02
0.10
0.08
0.14
0.12
0.16
2.5
3.0
3.5
SUPPLY VOLTAGE (V)
4.0
4.5
5.0
5.5
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
M
S
μ
A
T
A
= +85
°
C
T
A
= -40
°
C
T
A
= +25
°
C
-140
-100
-120
-60
-80
-20
-40
0
OUTPUT FREQUENCY SPECTRUM
M
FREQUENCY (kHz)
O
0
5
10
15
20
SSM MODE
V
OUT
= -60dBV
f = 1kHz
R
= 8
UNWEIGHTED
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