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參數(shù)資料
型號: MAX97003EWP+T
廠商: Maxim Integrated Products
文件頁數(shù): 9/48頁
文件大?。?/td> 0K
描述: IC AUDIO SUBSYSTEM LN 20WLP
標(biāo)準(zhǔn)包裝: 2,500
類型: D 類;H 類
輸出類型: 1-通道(單聲道)或 2-通道(立體聲)
在某負(fù)載時最大輸出功率 x 通道數(shù)量: 1W x 2 @ 8 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,關(guān)閉
安裝類型: *
供應(yīng)商設(shè)備封裝: *
封裝/外殼: *
包裝: *
Maxim Integrated Products 17
MAX97003
High-Efficiency, Low-Noise Audio Subsystem
Typical Operating Characteristics (continued)
(VDD = 1.8V, VPVDD = 4.2V, VGND = VPGND = 0V. Headphone path: PGAIN_ = -1.5dB, HP_VOL = 0dB, HPGAIN = +2dB, input signal
configured singled-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.)
POWER-SUPPLY REJECTION
RATIO vs. SUPPLY VOLTAGE
MAX97003
toc18
SUPPLY VOLTAGE (V)
PSRR
(dB)
5.0
4.5
4.0
3.5
3.0
20
40
60
80
100
120
0
2.5
5.5
VRIPPLE = 200mVP-P
fIN = 1kHz
INPUTS AC-COUPLED TO GND
INBAND OUTPUT SPECTRUM
MAX97003
toc19
FREQUENCY (Hz)
AMPLITUDE
(dBV)
15k
10k
5k
-120
-100
-80
-60
-40
-20
0
-140
0
20k
SSM
fIN = 1kHz
INBAND OUTPUT SPECTRUM
MAX97003
toc20
FREQUENCY (Hz)
AMPLITUDE
(dBV)
15k
10k
5k
-120
-100
-80
-60
-40
-20
0
-140
0
20k
FFM
fIN = 1kHz
WIDEBAND OUTPUT SPECTRUM
MAX97003
toc21
FREQUENCY (MHz)
OUTPUT
AMPLITUDE
(dBV)
-100
-80
-60
-40
-20
0
-120
RBW = 100Hz
FFM
10
1
0.1
100
WIDEBAND OUTPUT SPECTRUM
MAX97003
toc22
FREQUENCY (MHz)
OUTPUT
AMPLITUDE
(dBV)
-100
-80
-60
-40
-20
0
-120
RBW = 100Hz
SSM
10
1
0.1
100
SPEAKER VOLUME GAIN
vs. SPKVOL CODE
MAX97003
toc23
SPKVOL CODE (NUMERIC)
SPEAKER
VOLUME
GAIN
(dB)
60
50
40
30
20
10
-60
-50
-40
-30
-20
-10
0
-70
070
SPEAKER AMPLIFIER
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