參數(shù)資料
型號： MAX9877AERP+T
廠商： Maxim Integrated Products
文件頁數(shù)： 29/31頁
文件大?。?/td> 0K
描述： IC SUBSYSTEM MONO AUD 20MAXFILM
產品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 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
在某負載時最大輸出功率 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，I²C，輸入多路復用器，短路和熱保護，關機，音量控制
安裝類型： 表面貼裝
供應商設備封裝： 20-UCSP
封裝/外殼： 20-WFBGA，CSPBGA
包裝： 帶卷 (TR)
MAX9877AERP
Low RF Susceptibility, Mono Audio
Subsystem with DirectDrive Headphone Amplifier
_______________________________________________________________________________________
7
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9877A
toc01
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5.0
4.5
4.0
3.5
3.0
5
6
7
8
9
4
2.5
5.5
HEADPHONE ONLY
INPUTS AC-COUPLED TO GND
OUTMODE = 8
VSDA = VSCL = 3.3V
fOSC = 1176kHz SREAD-SPECTRUM MODE
fOSC = 1100kHz
fOSC = 700kHz
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9877A
toc02
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5.0
4.5
4.0
3.5
3.0
6
5
7
8
9
10
4
2.5
5.5
SPEAKER ONLY
INPUTS AC-COUPLED TO GND
OUTMODE = 7
VSDA = VSCL = 3.3V
fOSC = 1176kHz
SPREAD-SPECTRUM MODE
fOSC = 1100kHz
fOSC = 700kHz
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9877A
toc03
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5.0
4.5
4.0
3.5
3.0
10
9
8
11
12
13
7
2.5
5.5
fOSC = 1176kHz
SPREAD-SPECTRUM MODE
fOSC = 1100kHz
fOSC = 700kHz
HEADPHONE AND SPEAKER
INPUTS AC-COUPLED TO GND
OUTMODE = 9
VSDA = VSCL = 3.3V
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
MAX9877A
toc04
SUPPLY VOLTAGE (V)
SHUTDOWN
CURRENT
(
A)
5.0
4.5
4.0
3.5
3.0
10
9
8
11
12
13
14
7
2.5
5.5
INPUTS AC-COUPLED TO GND
VSDA = VSCL = 3.3V
VOLUME ATTENUATION
vs. _VOL CONTROL CODE
MAX9877A
toc05
_VOL CONTROL CODE
VOLUME
ATTENUATION
(dB)
5
15
10
20
25
30
-60
-80
-100
-40
-20
0
20
-120
35
0
fIN = 1kHz
MEASURED AT HPL
AND HPR
Typical Operating Characteristics
(VDD = PVDD = 3.7V, VGND = VPGND = 0V. Single-ended inputs, preamp gain = 0dB, volume controls = 0dB, OSC = 00, BYPASS =
0, 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.)
GENERAL
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