参数资料
型号: MAX9877AERP+T
厂商: Maxim Integrated Products
文件页数: 3/31页
文件大小: 0K
描述: IC SUBSYSTEM MONO AUD 20MAXFILM
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,I²C,输入多路复用器,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)
MAX9877AERP
Typical Operating Characteristics (continued)
(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.)
Low RF Susceptibility, Mono Audio
Subsystem with DirectDrive Headphone Amplifier
______________________________________________________________________________________
11
IN-BAND OUTPUT SPECTRUM
MAX9877A
toc30
FREQUENCY (kHz)
AMPLITUDE
(dBV)
15
10
5
0
-140
-80
-40
-120
-20
-60
-100
020
fOSC = 1176kHz
fIN = 1kHz
WIDEBAND OUTPUT SPECTRUM
MAX9877A
toc31
FREQUENCY (MHz)
AMPLITUDE
(dBV)
0
-70
-40
-50
-20
-80
-60
-90
-30
-10
-100
0.1
10
100
1
fOSC = 1100kHz
INPUTS AC-COUPLED TO GND
WIDEBAND OUTPUT SPECTRUM
MAX9877A
toc32
FREQUENCY (MHz)
AMPLITUDE
(dBV)
0
-70
-40
-50
-20
-80
-60
-90
-30
-10
-100
0.1
10
100
1
fOSC = 700kHz
INPUTS AC-COUPLED TO GND
WIDEBAND OUTPUT SPECTRUM
MAX9877A
toc33
FREQUENCY (MHz)
AMPLITUDE
(dBV)
0
-70
-40
-50
-20
-80
-60
-90
-30
-10
-100
0.1
10
100
1
fOSC = 1176kHz
INPUTS AC-COUPLED TO GND
HARDWARE SHUTDOWN RESPONSE
MAX9877A
toc34
VBIAS
500mV/div
20ms/div
OUT+ - OUT-
1V/div
SOFTWARE SHUTDOWN
ON- AND OFF-RESPONSE
MAX9877A
toc35
VSDA
2V/div
20ms/div
OUT+ - OUT-
1V/div
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