(VDD = PV
參數(shù)資料
型號： MAX9877AERP+T
廠商： Maxim Integrated Products
文件頁數(shù)： 5/31頁
文件大?。?/td> 0K
描述： IC SUBSYSTEM MONO AUD 20MAXFILM
產(chǎn)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(fù)用器，短路和熱保護，關(guān)機，音量控制
安裝類型： 表面貼裝
供應(yīng)商設(shè)備封裝： 20-UCSP
封裝/外殼： 20-WFBGA，CSPBGA
包裝： 帶卷 (TR)
MAX9877AERP
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
______________________________________________________________________________________
13
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9877A
toc46
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
5.0
4.5
4.0
3.5
3.0
50
0
10
20
30
40
45
5
15
25
35
2.5
5.5
fIN = 1kHz
RHP = 32
10% THD+N
1% THD+N
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9877A
toc47
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
5.0
4.5
4.0
3.5
3.0
100
0
20
40
60
80
90
10
30
50
70
2.5
5.5
fIN = 1kHz
RHP = 16
10% THD+N
1% THD+N
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9877A
toc48
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
100
0
20
40
60
80
90
10
30
50
70
10
40
70
100
20
50
80
30
60
90
VDD = PVDD = 3.7V
fIN = 1kHz
10% THD+N
1% THD+N
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9877A
toc49
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
100
0
20
40
60
80
90
10
30
50
70
10
40
70
100
20
50
80
30
60
90
VDD = PVDD = 3V
fIN = 1kHz
10% THD+N
1% THD+N
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9877A
toc50
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
100
0
20
40
60
80
90
10
30
50
70
10
40
70
100
20
50
80
30
60
90
VDD = PVDD = 3V
OSC = 10
fIN = 1kHz
1% THD+N
C1 = C2 = 2.2
F
C1 = C2 = 0.47
F
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9877A
toc51
FREQUENCY (Hz)
PSRR
(dB)
0
-120
-80
-60
-40
-20
-10
-90
-100
-110
-70
-50
-30
10
100
1k
10k
100k
VDD = PVDD = 3.7V
VRIPPLE = 100mVP-P
RHP = 32
INPUTS AC-COUPLED TO GND
HPR
HPL
POWER DISSIPATION
vs. OUTPUT POWER
MAX9877A
toc44
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
350
0
250
50
150
300
100
200
0
150
100
50
VDD = PVDD = 3.7V
fIN = 1kHz
POUT = PHPL + PHPR
RHP = 32
RHP = 16
POWER DISSIPATION
vs. OUTPUT POWER
MAX9877A
toc45
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
250
0
50
150
100
200
0150
100
50
VDD = PVDD = 3V
fIN = 1kHz
POUT = PHPL + PHPR
RHP = 32
RHP = 16
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