參數(shù)資料
型號: MAX9877EWP+TG45
廠商: Maxim Integrated Products
文件頁數(shù): 29/30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
Low RF Susceptibility, Mono Audio
Subsystem with DirectDrive Headphone Amplifier
8
_______________________________________________________________________________________
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9877
toc10
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
1
0.1
0.01
10
100k
VDD = PVDD = 3.7V
POUT = 200mW
ZSPK = 8
Ω + 68μH
fOSC = 700kHz
fOSC = 1176kHz
fOSC = 1100kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9877
toc11
OUTPUT POWER (W)
THD+N
(%)
1.5
1.0
0.5
0.1
1
10
0.01
0
2.0
fIN = 20Hz
fIN = 1kHz
fIN = 6kHz
VDD = PVDD = 5V
ZSPK = 8
Ω + 68μH
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9877
toc12
OUTPUT POWER (W)
THD+N
(%)
1.5
0.1
1
10
0.01
0
2.5
1.0
3.0
0.5
2.0
VDD = PVDD = 5V
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
toc13
OUTPUT POWER (mW)
THD+N
(%)
0.1
1
10
0.01
0
1000
600
400
800
200
fIN = 6kHz
fIN = 20Hz
fIN = 1kHz
VDD = PVDD = 3.7V
ZSPK = 8
Ω + 68μH
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.)
SPEAKER AMPLIFIER
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9877
toc06
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.1
1
10
0.01
10
100k
VDD = PVDD = 3.7V
ZSPK = 8
Ω + 68μH
POUT = 200mW
POUT = 675mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9877
toc07
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.1
1
10
0.01
10
100k
VDD = PVDD = 3.7V
ZSPK = 4
Ω + 33μH
DASHED LINES ARE LIMITED
BY THE ABS. MAX RATINGS
POUT = 1100mW
POUT = 650mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9877
toc08
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.1
1
10
0.01
10
100k
POUT = 425mW
POUT = 200mW
VDD = PVDD = 3V
ZSPK = 8
Ω + 68μH
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9877
toc09
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.1
1
10
0.01
10
100k
POUT = 700mW
POUT = 250mW
VDD = PVDD = 3V
ZSPK = 4
Ω + 33μH
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