参数资料
型号: MAX9877AERP+T
厂商: Maxim Integrated Products
文件页数: 7/31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
Low RF Susceptibility, Mono Audio
Subsystem with DirectDrive Headphone Amplifier
______________________________________________________________________________________
15
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.)
ANALOG SWITCH
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9877A
toc58
OUTPUT POWER (mW)
THD+N
(%)
10
0.01
0.1
1
0100
75
50
25
EXTERNAL CLASS AB AMPLIFIER
CONNECTED DIRECTLY TO RXIN+
AND RXIN-
f = 6kHz
f = 20Hz
f = 1kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9877A
toc59
OUTPUT POWER (mW)
THD+N
(%)
10
0.001
1
0.1
0.01
080
60
40
20
70
50
30
10
EXTERNAL CLASS AB AMPLIFIER
CONNECTED WITH 9
RESISTORS
IN SERIES WITH RXIN+ AND RXIN-
f = 6kHz
f = 20Hz AND 1kHz
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