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參數(shù)資料
型號: MAX97000EWA+T
廠商: Maxim Integrated Products
文件頁數(shù): 4/34頁
文件大小: 0K
描述: IC AUDIO SUBSYSTEM 25WLP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1
系列: DirectDrive®
類型: D 類
輸出類型: 1-通道(單聲道),帶立體聲耳機
在某負載時最大輸出功率 x 通道數(shù)量: 930mW x 1 @ 8 歐姆; 40mW x 2 @ 16 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點: 消除爆音,差分輸入,I²C,靜音,關(guān)閉,音量控制
安裝類型: 表面貼裝
供應商設備封裝: 25-WLP(2.09x2.09)
封裝/外殼: 25-WFBGA,WLCSP
包裝: 標準包裝
其它名稱: MAX97000EWA+TDKR
Audio Subsystem with Mono Class D
Speaker and Class H Headphone Amplifier
MAX97000
12
Typical Operating Characteristics (continued)
(VLDOIN = VPVDD = 3.7V, VGND = VPGND = 0V. Single-ended inputs, preamp gain = 0dB, HPLVOL = HPRVOL = SPKVOL = 0dB. Speaker
loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) connected from HPL or HPR to GND. ZSPK = ∞, RHP = ∞.
CC1P-C1N = CHPVDD = CHPVSS = CBIAS = 1μF. TA = +25°C, unless otherwise noted.)
EFFICIENCY vs. OUTPUT POWER
MAX97000
toc12
EFFICIENCY
(%)
2.5
2.0
1.5
1.0
0.5
10
20
30
40
50
60
70
80
90
100
0
3.0
POUT (W)
ZSPRK = 8I + 68F
ZSPRK = 4I + 33F
VPVDD = 5.0V
fIN = 1kHz
EFFICIENCY vs. OUTPUT POWER
MAX97000
toc13
1.4
1.2
0.8 1.0
0.4 0.6
0.2
0
1.6
EFFICIENCY
(%)
10
20
30
40
50
60
70
80
90
100
0
POUT (W)
ZSPRK = 8I + 68F
ZSPRK = 4I + 33F
VPVDD = 3.7V
fIN = 1kHz
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX97000
toc14
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
5.0
4.5
3.0
3.5
4.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
2.5
5.5
fIN = 1kHz
ZSPRK = 4I + 33F
THD+N = 1%
THD+N = 10%
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX97000
toc15
OUTPUT
POWER
(W)
5.0
4.5
4.0
3.5
3.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
2.5
5.5
SUPPLY VOLTAGE (V)
fIN = 1kHz
ZSPRK = 8I + 68F
THD+N = 1%
THD+N = 10%
OUTPUT POWER vs. LOAD RESISTANCE
MAX97000
toc16
LOAD RESISTANCE (I)
OUTPUT
POWER
(W)
100
10
1
1000
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
THD+N = 1%
THD+N = 10%
VPVDD = 3.7V
fIN = 1kHz
ZSPRK = LOAD + 68F
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX97000
toc17
FREQUENCY (kHz)
PSRR
(dB)
10
1
0.1
-80
-60
-40
-20
0
-100
0.01
100
VPVDD = 3.7V
VRIPPLE = 200mVP-P
INPUTS AC-COUPLED GND
POWER-SUPPLY REJECTION RATIO
vs. SUPPLY VOLTAGE
MAX97000
toc18
SUPPLY VOLTAGE (V)
PSRR
(dB)
5.0
4.5
4.0
3.5
3.0
-80
-60
-40
-20
0
-100
2.5
5.5
VRIPPLE = 200mVP-P
fIN = 1kHz
INPUTS AC-COUPLED GND
IN-BAND OUTPUT SPECTRUM
MAX97000
toc19
FREQUENCY (kHz)
AMPLITUDE
(dBV)
15
10
5
-100
-80
-60
-40
-20
0
-120
0
20
SSM
fIN = 1kHz
IN-BAND OUTPUT SPECTRUM
MAX97000
toc20
FREQUENCY (kHz)
AMPLITUDE
(dBV)
15
10
5
-100
-80
-60
-40
-20
0
-120
0
20
FFM
fIN = 1kHz
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