參數(shù)資料
型號(hào): MAX9875ERP+T
廠商: Maxim Integrated Products
文件頁數(shù): 6/30頁
文件大?。?/td> 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(shí)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(diǎn): 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
14
______________________________________________________________________________________
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.)
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
MAX9875
toc55
FREQUENCY (Hz)
CMRR
(dB)
80
0
20
40
60
10
70
30
50
10
100k
10k
1k
100
VDD = VPVDD = 3.7V
CMRR = 20log(ADM/ACM)
+9dB
+20dB
0dB
HARDWARE SHUTDOWN RESPONSE
MAX9875
toc56
VBIAS
500mV/div
HPL
500mV/div
20ms/div
HPR
500mV/div
SOFTWARE SHUTDOWN
ON- AND OFF-REPSONSE
MAX9875
toc57
VBIAS
500mV/div
HPL
500mV/div
20ms/div
HPR
500mV/div
OUTPUT SPECTRUM
MAX9875
toc52
FREQUENCY (kHz)
AMPLITUDE
(dBV)
0
-140
-100
-60
-20
-120
-80
-40
020
15
10
5
VDD = VPVDD = 3.7V
fIN = 1kHz
RHP = 32
OUTPUT SPECTRUM
MAX9875
toc53
FREQUENCY (kHz)
AMPLITUDE
(dBV)
0
-140
-100
-60
-20
-120
-80
-40
020
15
10
5
VDD = VPVDD = 3.7V
fIN = 1kHz
RHP = 16
CROSSTALK vs. FREQUENCY
MAX9875
toc54
FREQUENCY (Hz)
CROSSTALK
(dB)
0
-120
-30
-10
-50
-90
-60
-100
-110
-70
-20
-40
-80
10
100k
10k
1k
100
VDD = VPVDD = 3.7V
VINA_ = 1VP-P
RHP = 16
HPR TO HPL
HPL TO HPR
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