参数资料
型号: MAX97003EWP+T
厂商: Maxim Integrated Products
文件页数: 48/48页
文件大小: 0K
描述: IC AUDIO SUBSYSTEM LN 20WLP
标准包装: 2,500
类型: D 类;H 类
输出类型: 1-通道(单声道)或 2-通道(立体声)
在某负载时最大输出功率 x 通道数量: 1W x 2 @ 8 欧姆
电源电压: 2.7 V ~ 5.5 V
特点: 消除爆音,差分输入,关闭
安装类型: *
供应商设备封装: *
封装/外壳: *
包装: *
Maxim Integrated Products 9
MAX97003
High-Efficiency, Low-Noise Audio Subsystem
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 1.8V, VPVDD = 4.2V, VGND = VPGND = 0V. Headphone path: PGAIN_ = -1.5dB, HP_VOL = 0dB, HPGAIN = +2dB, input signal
configured single-ended. Speaker path: PGAIN_ = 0dB, SPKVOL = 0dB, SPKGAIN = +12dB, input signal configured differential.
Speaker loads (ZSPK) connected between SPKP and SPKN. Headphone loads (RHP) connected from HPL or HPR to GND. SDA and
SCL pullup voltage = 1.8V. ZSPK = J, RHP = J. CC1P-C1N = CCPVDD = CCPVSS = CBIAS = 1FF. TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25NC.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Power-Supply Rejection Ratio
(Note 2)
PSRR
TA = +25NC
VPVDD = 2.7V to
5.5V
65
90.4
dB
f = 217Hz,
VRIPPLE = 200mVP-P
80
f = 1kHz,
VRIPPLE = 200mVP-P
78
f = 10kHz,
VRIPPLE = 200mVP-P
72
Output Power (Note 3)
POUT
THD+N = 1%
ZSPK = 8I + 68FH,
VPVDD = 4.2V
1007
mW
ZSPK = 8I + 68FH,
VPVDD = 3.6V
735
ZSPK = 4I + 33FH,
VPVDD = 5.0V
2585
Total Harmonic Distortion Plus
Noise
THD+N
f = 1kHz, POUT = 700mW, TA = +25NC,
ZSPK = 8I + 68FH
0.06
%
f = 1kHz, POUT = 350mW, TA = +25NC,
ZSPK = 8I + 68FH
0.029
0.048
Output Noise
A-weighted
Noise gate disabled
40
F
VRMS
Noise gate enabled
25
Signal-to-Noise Ratio
SNR
A-weighted,
POUT = 700mW
Noise gate disabled
93
dB
Noise gate enabled
98
Output Frequency
fOSC
Spread spectrum
298.9
kHz
Spread-Spectrum Bandwidth
Q
10
kHz
Gain
SPKGAIN = 00
11.69
dB
SPKGAIN = 01
15.4
15.65
15.92
SPKGAIN = 10
19.64
SPKGAIN = 11
23.7
Current Limit
2
A
Efficiency
h
POUT = 1W, f = 1kHz, ZSPK = 8I + 68FH
92
%
Volume Control
SPKVOL = 0x00
-63.35
-62.87
-62.36
dB
SPKVOL = 0x3F
-0.044
0
0.13
Volume Control Step Size
1
dB
Mute Attenuation
f = 1kHz
118
dB
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