參數(shù)資料
型號: MAX9877EWP+TG45
廠商: Maxim Integrated Products
文件頁數(shù): 30/30頁
文件大小: 0K
描述: IC AUDIO SUBSYSTEM 20-WLP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
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: 825mW x 1 @ 4 歐姆; 53mW x 2 @ 16 歐姆
電源電壓: 2.7 V ~ 5.25 V
特點: 消除爆音,I²C,輸入多路復用器,短路和熱保護,關機,音量控制
安裝類型: 表面貼裝
供應商設備封裝: 20-WLP
封裝/外殼: 20-WFBGA,WLBGA
包裝: 帶卷 (TR)
MAX9877
EFFICIENCY
vs. OUTPUT POWER
MAX9877
toc19
OUTPUT POWER (W)
EFFICIENCY
(%)
1.5
100
0
50
60
10
80
30
70
20
90
40
0
3.0
0.5
2.0
1.0
2.5
VDD = PVDD = 5V
fIN = 1kHz
DASHED LINES ARE LIMITED
BY THE ABS. MAX RATINGS
ZSPK = 8
Ω + 68μH
ZSPK = 4
Ω + 33μH
EFFICIENCY
vs. OUTPUT POWER
MAX9877
toc20
OUTPUT POWER (W)
EFFICIENCY
(%)
100
0
50
60
10
80
30
70
20
90
40
0
2.0
1.5
1.0
0.5
VDD = PVDD = 3.7V
fIN = 1kHz
DASHED LINES ARE LIMITED
BY THE ABS. MAX RATINGS
ZSPK = 8
Ω + 68μH
ZSPK = 4
Ω + 33μH
EFFICIENCY
vs. OUTPUT POWER
MAX9877
toc21
OUTPUT POWER (mW)
EFFICIENCY
(%)
100
0
50
60
10
80
30
70
20
90
40
0
1000
600
200
800
400
VDD = PVDD = 3.7V
fIN = 1kHz
ZSPK = 8
Ω + 68μH
fOSC = 700kHz
fOSC = 1176kHz AND 1100kHz
Typical Operating Characteristics (continued)
(VDD = PVDD = 3.7V, VGND = VPGND = 0V. Single-ended inputs, preamp gain = 0dB, volume controls = 0dB, OSC = 00, BYPASS =
0, SHDN = 1. Speaker loads (ZSPK) connected between OUT+ and OUT-. Headphone loads (RHP) connected from HPL or HPR to
GND. ZSPK = ∞, RHP = ∞. C1 = C2 = CBIAS = 1F. TA = +25°C, unless otherwise noted.)
Low RF Susceptibility, Mono Audio
Subsystem with DirectDrive Headphone Amplifier
_______________________________________________________________________________________
9
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9877
toc14
OUTPUT POWER (W)
THD+N
(%)
0.1
1
10
0.01
0
1.5
1.0
0.5
VDD = PVDD = 3.7V
ZSPK = 4
Ω + 33μH
DASHED LINES ARE LIMITED
BY THE ABS. MAX RATINGS
fIN = 6kHz
fIN = 20Hz
fIN = 1kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9877
toc15
OUTPUT POWER (mW)
THD+N
(%)
0.1
1
10
0.01
0
600
400
200
fIN = 6kHz
fIN = 20Hz
fIN = 1kHz
VDD = PVDD = 3V
ZSPK = 8
Ω + 68μH
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9877
toc16
OUTPUT POWER (W)
THD+N
(%)
0.1
1
10
0.01
0
1.2
0.8
0.4
1.0
0.6
0.2
VDD = PVDD = 3V
ZSPK = 4
Ω + 33μH
DASHED LINES ARE LIMITED
BY THE ABS. MAX RATINGS
fIN = 6kHz
fIN = 20Hz
fIN = 1kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9877
toc17
OUTPUT POWER (mW)
THD+N
(%)
600
400
200
1
0.01
0.1
0
800
VDD = PVDD = 3.7V
fIN = 1kHz
ZSPK = 8
Ω + 68μH
fOSC = 1176kHz SSM
fOSC = 700kHz
fOSC = 1100kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9877
toc18
OUTPUT POWER (mW)
THD+N
(%)
600
400
200
1
0.01
0.1
0
800
VDD = PVDD = 3.7V
fIN = 6kHz
ZSPK = 8
Ω + 68μH
fOSC = 1176kHz SSM
fOSC = 700kHz
fOSC = 1100kHz
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