参数资料
型号: MAX9767ETJ+
厂商: Maxim Integrated Products
文件页数: 28/33页
文件大小: 0K
描述: IC AMP AUDIO .75W STER AB 32TQFN
标准包装: 60
类型: AB 类
输出类型: 2 通道(立体声)
在某负载时最大输出功率 x 通道数量: 750mW x 2 @ 4 欧姆
电源电压: 2.7 V ~ 5.5 V
特点: 消除爆音,麦克风,静音,短路保护和热保护,关机
安装类型: 表面贴装
供应商设备封装: 32-TQFN-EP(5x5)
封装/外壳: 32-WFQFN 裸露焊盘
包装: 管件
MAX9765/MAX9766/MAX9767
750mW Audio Amplifiers with Headphone Amp,
Microphone Preamp, and Input Mux
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VDD = PVDD = 3.0V, GND = 0, HPS = MUTE = GND, SHDN = 3V, 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
Input Resistance Matching
RMATCH
1%
MAX9765, AV = 4dB to 39dB
2
4
MAX9766, AV = 10dB to 45dB
2
4
Differential Gain Accuracy
AVDIFF
MAX9767, AV = 10dB, 20dB, 30dB
2
4
%
Common-Mode Rejection Ratio
CMRR
AV = 10dB, fIN = 1kHz, VCM = 200mVP-P,
RS = 2k
60
dB
VDD = 2.7V to 5.5V
62
80
f = 1kHz, VRIPPLE =
200mVP-P
80
Power-Supply Rejection Ratio
PSRR
AV = 10dB, output
referred
f = 20kHz, VRIPPLE =
200mVP-P
68
dB
Common-Mode Input Voltage
Range
VCM
1V
SINGLE-ENDED INPUT AMPLIFIER (AUXIN)
Input Offset Voltage
VOS
410
mV
Input Noise-Voltage Density
eN
AV = 20dB, fIN = 1kHz
73
nV/
√Hz
Total Harmonic Distortion Plus
Noise
THD+N
AV = 10dB, fIN = 1kHz, BW = 22Hz to
22kHz, VOUT = 0.7VRMS
0.01
%
Small-Signal Bandwidth
BW-3dB
AV = 20dB, VOUT = 100mVP-P
200
kHz
Input Resistance
RIN
100
k
Voltage Gain Accuracy
AV
4%
VDD = 2.7V to 5.5V
65
80
f = 1kHz, VRIPPLE =
200mVP-P
76
Power-Supply Rejection Ratio
PSRR
AV = 10dB, output
referred
f = 20kHz, VRIPPLE =
200mVP-P
58
dB
MICROPHONE BIAS OUTPUT (MICBIAS)
Microphone Bias Output Voltage
VMICBIAS
VDD = 2.7V to 5.5V, ILOAD = 500A
2.4
2.5
2.6
V
Output Noise-Voltage Density
eN
f = 1kHz
52
nV/
√Hz
VDD = 2.7V to 5.5V
63
72
Power-Supply Rejection Ratio
PSRR
fIN = 1kHz, VRIPPLE = 200mVP-P
70
dB
DIGITAL INPUTS (MUTE,
SHDN, INT/EXT)
Input Voltage High
VIH
2V
Input Voltage Low
VIL
0.8
V
Input Leakage Current
IIN
±1A
MAX9767 MICGAIN INPUT (TRI-STATE PIN))
Input Voltage High
VIH
VDD
V
Input Voltage Low
VIL
GND
V
Input Voltage Mid
VIZ
FLOAT
V
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