參數(shù)資料
型號: MAX9751EUI
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 音頻控制
英文描述: 2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers
中文描述: VOLUME CONTROL CIRCUIT, PDSO28
封裝: 4.40 MM, MO-153AE, TSSOP-28
文件頁數(shù): 9/31頁
文件大?。?/td> 673K
代理商: MAX9751EUI
M
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
_______________________________________________________________________________________
9
TURN-ON RESPONSE
(HEADPHONE MODE)
MAX9750/51 toc28
10ms/div
SHDN
5V/div
20mV/div
HPOUT_
R
L
= 32
TURN-OFF RESPONSE
(HEADPHONE MODE)
MAX9750/51 toc29
10ms/div
SHDN
5V/div
20mV/div
HPOUT_
R
L
= 32
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
S
5.25
5.00
4.75
4
2
6
8
12
10
14
16
18
0
4.50
5.50
HPS = GND
HPS = V
DD
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
S
μ
A
5.25
5.00
4.75
4.50
5.50
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0
Typical Operating Characteristics (continued)
(Measurement BW = 22Hz to 22kHz, T
A
= +25°C, unless otherwise noted.)
OUTPUT POWER vs. CHARGE-PUMP
CAPACITANCE AND LOAD RESISTANCE
M
LOAD RESISTANCE (
)
O
40
30
20
20
40
60
80
100
120
140
160
180
200
0
10
50
V
DD
= 5V
f = 1kHz
THD+N = 1%
C1 = C2 = 2.2
μ
F
C1 = C2 = 1
μ
F
HEADPHONE OUTPUT SPECTRUM
M
FREQUENCY (Hz)
M
15
10
5
0
0
20
-120
-100
-80
-60
-40
-20
-140
V
DD
= 5V
f = 1kHz
V
OUT
= -60dB
R
L
= 32
10
100
1k
10k
100k
CROSSTALK vs. FREQUENCY
(HEADPHONE MODE)
M
FREQUENCY (Hz)
C
V
CC
= 5V
V
RIPPLE
= 200mV
P-P
R
L
= 32
LEFT TO RIGHT
RIGHT TO LEFT
-100
-80
-60
-40
-20
0
-120
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