參數(shù)資料
型號: MAX9765ETJ+T
廠商: Maxim Integrated Products
文件頁數(shù): 2/33頁
文件大?。?/td> 0K
描述: IC AMP AUDIO .75W STER AB 32TQFN
標準包裝: 2,500
類型: AB 類
輸出類型: 2-通道(立體聲)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 2 @ 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
10
______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = PVDD = 5V, BW = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9765
toc35
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
100k
VDD = 5V
RL = 32
AV = 1V/V
POUT = 10mW
POUT = 5mW
POUT = 20mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9765
toc36
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
100k
VDD = 5V
RL = 32
AV = 2V/V
POUT = 10mW
POUT = 5mW
POUT = 20mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9765
toc37
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
100k
VDD = 3V
RL = 32
AV = 1V/V
POUT = 10mW
POUT = 5mW
POUT = 20mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9765
toc38
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
100k
VDD = 3V
RL = 32
AV = 2V/V
POUT = 10mW
POUT = 5mW
POUT = 20mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9765
toc39
OUTPUT POWER (mW)
THD+N
(%)
100
60
80
40
20
0.001
0.1
10
100
0120
VDD = 5V
RL = 16
AV = 1V/V
f = 1kHz
f = 20Hz
f = 10kHz
1
0.01
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9765
toc40
OUTPUT POWER (mW)
THD+N
(%)
100
60
80
40
20
0.001
0.01
0.1
100
10
1
0120
VDD = 5V
RL = 16
AV = 2V/V
f = 1kHz
f = 20Hz
f = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9765
toc41
OUTPUT POWER (mW)
THD+N
(%)
100
60
80
40
20
0.001
0.01
0.1
100
10
1
0120
VDD = 3V
RL = 16
AV = 1V/V
f = 1kHz
f = 20Hz
f = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9765
toc42
OUTPUT POWER (mW)
THD+N
(%)
100
60
80
40
20
0.001
0.01
0.1
100
10
1
0120
VDD = 3V
RL = 16
AV = 2V/V
f = 1kHz
f = 20Hz
f = 10kHz
OUTPUT POWER vs. LOAD RESISTANCE
(HEADPHONE MODE)
MAX9765
toc43
LOAD RESISTANCE ()
OUTPUT
POWER
(mW)
1k
100
10
20
100
120
140
60
80
40
160
0
1
10k
VCC = 5V
THD+N = 10%
THD+N = 1%
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