參數(shù)資料
型號: MAX9766ETJ+T
廠商: Maxim Integrated Products
文件頁數(shù): 3/33頁
文件大?。?/td> 0K
描述: IC AMP AUDIO .75W MONO AB 32TQFN
標準包裝: 2,500
類型: AB 類
輸出類型: 1-通道(單聲道),帶立體聲耳機
在某負載時最大輸出功率 x 通道數(shù)量: 750mW x 1 @ 4 歐姆; 65mW x 2 @ 16 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點: 消除爆音,I²C,輸入多路復用器,麥克風,靜音,短路和熱保護,關機
安裝類型: 表面貼裝
供應商設備封裝: 32-TQFN-EP(5x5)
封裝/外殼: 32-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
MAX9765/MAX9766/MAX9767
750mW Audio Amplifiers with Headphone Amp,
Microphone Preamp, and Input Mux
______________________________________________________________________________________
11
OUTPUT POWER vs. LOAD RESISTANCE
(HEADPHONE MODE)
MAX9765
toc44
LOAD RESISTANCE ()
OUTPUT
POWER
(mW)
1k
100
10
20
100
120
140
60
80
40
0
110k
VCC = 3V
THD+ N = 10%
THD+N = 1%
POWER DISSIPATION vs. OUTPUT POWER
(HEADPHONE MODE)
MAX9765
toc45
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
25
50
75
100
20
40
60
80
120
100
140
0
VDD = 5V
f = 1kHz
RL = 16
RL = 32
POWER DISSIPATION vs. OUTPUT POWER
(HEADPHONE MODE)
MAX9765
toc46
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
30
15
45
60
75
10
20
30
40
50
60
0
VDD = 3V
f = 1kHz
RL = 16
RL = 32
OUTPUT POWER vs. TEMPERATURE
(HEADPHONE MODE)
MAX9765
toc47
TEMPERATURE (°C)
OUTPUT
POWER
(mW)
60
35
10
-15
20
60
40
80
100
0
-40
85
THD+N = 10%
THD+N = 1%
f = 1kHz
RL = 16
OUTPUT POWER vs. TEMPERATURE
(HEADPHONE MODE)
MAX9765
toc48
TEMPERATURE (°C)
OUTPUT
POWER
(mW)
60
35
10
-15
10
30
40
20
50
60
0
-40
85
THD+N = 10%
THD+N = 1%
f = 1kHz
RL = 32
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (HEADPHONE MODE)
MAX9765
toc49
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-70
-80
-50
-60
-30
-40
-20
-10
0
-100
10
100k
VDD = 5V
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (HEADPHONE MODE)
MAX9765
toc50
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-70
-80
-50
-60
-30
-40
-20
-10
0
-100
10
100k
VDD = 3V
ENTERING SHUTDOWN (HEADPHONE MODE)
MAX9765 toc51
200ms/div
OUT_+
HP JACK
100mV/div
500mV/div
2V/div
SHDN
RL = 16
INPUT AC-COUPLED TO GND
EXITING SHUTDOWN (HEADPHONE MODE)
MAX9765 toc52
200ms/div
OUT_+
HP JACK
100mV/div
500mV/div
2V/div
SHDN
RL = 16
INPUT AC-COUPLED TO GND
Typical Operating Characteristics (continued)
(VDD = PVDD = 5V, BW = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
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