參數(shù)資料
型號(hào): MAX9766ETJ+T
廠商: Maxim Integrated Products
文件頁數(shù): 33/33頁
文件大小: 0K
描述: IC AMP AUDIO .75W MONO AB 32TQFN
標(biāo)準(zhǔn)包裝: 2,500
類型: AB 類
輸出類型: 1-通道(單聲道),帶立體聲耳機(jī)
在某負(fù)載時(shí)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(diǎn): 消除爆音,I²C,輸入多路復(fù)用器,麥克風(fēng),靜音,短路和熱保護(hù),關(guān)機(jī)
安裝類型: 表面貼裝
供應(yīng)商設(shè)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
_______________________________________________________________________________________
9
POWER-UP
(SPEAKER MODE)
MAX9765 toc30
200ms/div
OUT_+ AND
OUT
OUT_+ - OUT
100mV/div
500mV/div
2V/div
VCC
RL = 8
INPUT AC-COUPLED TO GND
CBIAS = 1F
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9765
toc31
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
100k
VDD = 5V
RL = 16
AV = 1V/V
POUT = 10mW
POUT = 25mW
POUT = 50mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9765
toc32
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
100k
VDD = 5V
RL = 16
AV = 2V/V
POUT = 50mW
POUT = 25mW
POUT = 10mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9765
toc33
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
100k
VDD = 3V
RL = 16
AV = 1V/V
POUT = 25mW
POUT = 50mW
POUT = 10mW
Typical Operating Characteristics (continued)
(VDD = PVDD = 5V, BW = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
EXITING SHUTDOWN (SPEAKER MODE)
MAX9765 toc28
200ms/div
OUT_+ AND
OUT
OUT_+ - OUT
100mV/div
500mV/div
2V/div
SHDN
RL = 8
INPUT AC-COUPLED TO GND
CBIAS = 1F
ENTERING POWER-DOWN
(SPEAKER MODE)
MAX9765 toc29
200ms/div
OUT_+ AND
OUT_-
OUT_+ -
OUT_-
100mV/div
500mV/div
2V/div
VCC
RL = 8
INPUT AC-COUPLED TO GND
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9765
toc34
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
100k
VDD = 3V
RL = 16
AV = 2V/V
POUT = 25mW
POUT = 10mW
POUT = 50mW
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