参数资料
型号: MAX9761EUI+T
厂商: Maxim Integrated Products
文件页数: 23/31页
文件大小: 0K
描述: IC AMP AUDIO PWR 3W STER 28TSSOP
标准包装: 2,500
类型: AB 类
输出类型: 2-通道(立体声)带立体声耳机
在某负载时最大输出功率 x 通道数量: 3W x 2 @ 3 欧姆; 200mW x 2 @ 16 欧姆
电源电压: 4.5 V ~ 5.5 V
特点: 消除爆音,输入多路复用器,静音,关机,热保护,
安装类型: 表面贴装
供应商设备封装: 28-TSSOP 裸露焊盘
封装/外壳: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
包装: 带卷 (TR)
MAX9760–MAX9763
Stereo 3W Audio Power Amplifiers with
Headphone Drive and Input Mux
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = PVDD = 5.0V, GND = PGND = 0V, SHDN = 5V, CBIAS = 1F, RIN = RF = 15k
, RL = ∞. TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT AMPLIFIERS (HEADPHONE MODE, HPS = VDD)
VDD = 4.5V to 5.5V
75
106
f = 1kHz, VRIPPLE =
200mVP-P
88
Power-Supply Rejection Ratio
PSRR
(Note 2)
f = 20kHz, VRIPPLE =
200mVP-P
76
dB
RL = 32
88
Output Power
POUT
fIN = 1kHz, THD+N <
1%, TA = +25°C
RL = 16
120
200
mW
POUT = 60mW,
RL = 32
0.002
Total Harmonic Distortion Plus
Noise
THD+N
fIN = 1kHz, BW =
22Hz to 22kHz
POUT = 125mW,
RL = 16
0.002
%
Signal-to-Noise Ratio
SNR
RL = 32
, BW = 22Hz to 22kHz,
VOUT = 1VRMS
92
dB
Slew Rate
SR
1.8
V/s
Maximum Capacitive Load Drive
CL
No sustained oscillations
2
nF
Crosstalk
fIN = 10kHz
78
dB
STANDBY SUPPLY (SVDD) (Note 3)
VBIAS = 1.25V, VDD = 0V
425
750
SVDD Current
ISVDD
VBIAS = 2.5V, VDD = 5V
15
A
BIAS VOLTAGE (BIAS)
BIAS Voltage
VBIAS
2.35
2.5
2.65
V
Output Resistance
RBIAS
50
k
DIGITAL INPUTS (MUTE, SHDN, HPS_EN, GAINA/B, IN1
1
1/2)
Input Voltage High
VIH
2V
Input Voltage Low
VIL
0.8
V
Input Leakage Current
IIN
±1A
HEADPHONE SENSE INPUT (HPS)
Input Voltage High
VIH
0.9 x
VDD
V
Input Voltage Low
VIL
0.7 x
VDD
V
Input Leakage Current
IIN
±1A
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