参数资料
型号: MAX9875ERP+T
厂商: Maxim Integrated Products
文件页数: 28/30页
文件大小: 0K
描述: IC AUDIO SUBSYSTEM 20UCSP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
系列: DirectDrive®
类型: D 类
输出类型: 1-通道(单声道),带立体声耳机
在某负载时最大输出功率 x 通道数量: 825mW x 1 @ 4 欧姆; 53mW x 2 @ 16 欧姆
电源电压: 2.7 V ~ 5.25 V
特点: 消除爆音,差分输入,I²C,静音,短路和热保护,关机,音量控制
安装类型: 表面贴装
供应商设备封装: 20-UCSP
封装/外壳: 20-WFBGA,CSPBGA
包装: 带卷 (TR)
MAX9875
Low RF Susceptibility, Mono Audio
Subsystem with DirectDrive Headphone Amplifier
_______________________________________________________________________________________
7
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9875
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
MAX9875
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
MAX9875
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
MAX9875
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
MAX9875
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 = 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.)
GENERAL
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