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參數(shù)資料
型號: MAX97003EWP+T
廠商: Maxim Integrated Products
文件頁數(shù): 13/48頁
文件大?。?/td> 0K
描述: IC AUDIO SUBSYSTEM LN 20WLP
標準包裝: 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: 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 20
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.)
HEADPHONE VOLUME GAIN
vs. HP_VOL CODE
MAX97003
toc38
HP_VOL CODE (NUMERIC)
HEADPHONE
VOLUME
GAIN
(dB)
60
50
40
30
20
10
-60
-50
-40
-30
-20
-10
0
-70
070
SHUTDOWN RESPONSE
MAX97003 toc39
HP_
500mV/div
4ms/div
SCL
2V/div
VS2EN = 0
SLEW = 0
ZCD = 0
TURN-ON RESPONSE
MAX97003 toc40
4ms/div
SCL
2V/div
HP_
500mV/div
VS2EN = 0
SLEW = 0
ZCD = 0
-140
-120
-100
-80
-60
-40
-20
INBAND OUTPUT SPECTRUM
MAX97003
toc35
AMPLITUDE
(dBV)
0
fIN = 1kHz
RLOAD = 16I
FREQUENCY (Hz)
16k 18k
14k
4k
2k
6k 8k 10k 12k
0
20k
-160
-100
-80
-60
-40
-20
0
-120
MAX97003
toc36
CROSSTALK
(dB)
10k
1k
100
10
100k
CROSSTALK vs. FREQUENCY
FREQUENCY (Hz)
RLOAD = 32I
HPR TO HPL
HPL TO HPR
10k
1k
100
10
100k
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
MAX97003
toc37
FREQUENCY (Hz)
CMRR
(dB)
10
20
30
40
50
60
70
80
90
100
0
RLOAD = 32I
PGAIN = 0dB
PGAIN = -3dB
PGAIN = 6dB
PGAIN = 12dB
HEADPHONE AMPLIFIER
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