參數(shù)資料
型號(hào): MAX9765ETJ+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 31/33頁(yè)
文件大小: 0K
描述: IC AMP AUDIO .75W STER AB 32TQFN
標(biāo)準(zhǔn)包裝: 2,500
類(lèi)型: AB 類(lèi)
輸出類(lèi)型: 2-通道(立體聲)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 2 @ 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(lèi)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(pán)
包裝: 帶卷 (TR)
MAX9765/MAX9766/MAX9767
750mW Audio Amplifiers with Headphone Amp,
Microphone Preamp, and Input Mux
_______________________________________________________________________________________
7
Typical Operating Characteristics (continued)
(VDD = PVDD = 5V, BW = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9765
toc10
OUTPUT POWER (W)
THD+N
(%)
0.6
0.4
0.2
0.01
10
1
0.1
100
0.001
0
0.8
VDD = 5V
RL =4
AV = 4V/V
f = 20Hz
f = 1kHz
f = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9765
toc11
OUTPUT POWER (W)
THD+N
(%)
0.75
0.50
0.25
0.01
10
1
0.1
100
0.001
0
1.00
VDD = 3V
RL = 4
AV = 2V/V
f = 20Hz
f = 1kHz
f = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9765
toc12
OUTPUT POWER (W)
THD+N
(%)
0.75
0.50
0.25
0.01
10
1
0.1
100
0.001
0
1.00
VDD = 3V
RL = 4
AV = 4V/V
f = 20Hz
f = 1kHz
f = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9765
toc13
OUTPUT POWER (W)
THD+N
(%)
0.6
0.4
0.2
0.01
10
1
0.1
100
0.001
0
0.8
VDD = 5V
RL = 8
AV = 2V/V
f = 20Hz
f = 1kHz
f = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9765
toc14
OUTPUT POWER (W)
THD+N
(%)
0.6
0.4
0.2
0.01
10
1
0.1
100
0.001
00.8
VDD = 5V
RL = 8
AV = 4V/V
f = 20Hz
f = 1kHz
f = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9765
toc15
OUTPUT POWER (W)
THD+N
(%)
0.5
0.6
0.4
0.3
0.2
0.1
0.01
10
1
0.1
100
0.001
0
0.7
VDD = 3V
RL = 8
AV = 2V/V
f = 20Hz
f = 1kHz
f = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9765
toc16
OUTPUT POWER (W)
THD+N
(%)
0.5
0.6
0.4
0.3
0.2
0.1
0.01
10
1
0.1
100
0.001
00.7
VDD = 3V
RL = 8
AV = 4V/V
f = 20Hz
f = 1kHz
f = 10kHz
OUTPUT POWER vs. LOAD RESISTANCE
(SPEAKER MODE)
MAX9765
toc17
LOAD RESISTANCE ()
OUTPUT
POWER
(mW)
1k
100
10
200
1000
600
800
400
1200
0
010k
VCC = 5V
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. LOAD RESISTANCE
(SPEAKER MODE)
MAX9765
toc18
LOAD RESISTANCE ()
OUTPUT
POWER
(mW)
1k
100
10
100
200
800
900
500
600
700
300
400
1000
0
010k
VCC = 3V
THD+N = 10%
THD+N = 1%
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