參數(shù)資料
型號： MAX9875ERP+T
廠商： Maxim Integrated Products
文件頁數(shù)： 4/30頁
文件大小： 0K
描述： IC AUDIO SUBSYSTEM 20UCSP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
系列： DirectDrive®
類型： D 類
輸出類型： 1-通道（單聲道），帶立體聲耳機(jī)
在某負(fù)載時最大輸出功率 x 通道數(shù)量： 825mW x 1 @ 4 歐姆; 53mW x 2 @ 16 歐姆
電源電壓： 2.7 V ~ 5.25 V
特點： 消除爆音，差分輸入，I²C，靜音，短路和熱保護(hù)，關(guān)機(jī)，音量控制
安裝類型： 表面貼裝
供應(yīng)商設(shè)備封裝： 20-UCSP
封裝/外殼： 20-WFBGA，CSPBGA
包裝： 帶卷 (TR)
MAX9875
Low RF Susceptibility, Mono Audio
Subsystem with DirectDrive Headphone Amplifier
12
______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = VPVDD = 3.7V, VGND = VPGND = 0V. Single-ended inputs, preamp gain = 0dB, volume controls = 0dB, OSC = 00, SHDN = 1.
Speaker loads (ZSPK) connected between OUT+ and OUT-. Headphone loads (RHP) connected from HPL or HPR to GND. ZSPK =
∞, RHP = ∞. C1 = C2 = CBIAS = 1F. TA = +25°C, unless otherwise noted.)
HEADPHONE AMPLIFIER
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9875
toc36
FREQUENCY (Hz)
THD+N
(%)
0
0.001
0.01
0.1
10
100
1k
10k
100k
VDD = VPVDD = 3.7V
RHP = 32
POUT = 10mW
POUT = 20mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9875
toc37
FREQUENCY (Hz)
THD+N
(%)
1
0.001
0.01
0.1
10
100
1k
10k
100k
VDD = VPVDD = 3.7V
RHP = 16
POUT = 20mW
POUT = 40mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9875
toc38
FREQUENCY (Hz)
THD+N
(%)
1
0.001
0.01
0.1
10
100
1k
10k
100k
VDD = VPVDD = 3V
RHP = 32
POUT = 10mW
POUT = 20mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9875
toc39
FREQUENCY (Hz)
THD+N
(%)
1
0.001
0.01
0.1
10
100
1k
10k
100k
VDD = VPVDD = 3V
RHP = 16
POUT = 15mW
POUT = 30mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9875
toc40
OUTPUT POWER (mW)
THD+N
(%)
30
20
10
0.01
0.1
1
10
0.001
040
VDD = VPVDD = 3.7V
RHP = 32
fIN = 20Hz
fIN = 1kHz fIN = 6kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9875
toc41
OUTPUT POWER (mW)
THD+N
(%)
0.01
0.1
1
10
0.001
0
204060
10
30
50
70
VDD = VPVDD = 3.7V
RHP = 16
fIN = 20Hz AND 1kHz
fIN = 6kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9875
toc42
OUTPUT POWER (mW)
THD+N
(%)
30
20
10
0.01
0.1
1
10
0.001
040
VDD = VPVDD = 3V
RHP = 32
fIN = 20Hz
fIN = 1kHz
fIN = 6kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9875
toc43
OUTPUT POWER (mW)
THD+N
(%)
0.01
0.1
1
10
0.001
020
40
10
30
50
60
VDD = VPVDD = 3V
RHP = 16
fIN = 20Hz AND 1kHz
fIN = 6kHz
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