All specifications at PVDD = 5.0 V, DVDD = 1.8 V, fS <" />
參數(shù)資料
型號： SSM2518CPZ-RL
廠商： Analog Devices Inc
文件頁數(shù)： 44/48頁
文件大?。?/td> 0K
描述： IC AMP AUD PWR 2C STER D 20LFCSP
標準包裝： 5,000
類型： D 類
輸出類型： 2 通道（立體聲）
在某負載時最大輸出功率 x 通道數(shù)量： 2.5W x 2 @ 4 歐姆
電源電壓： 2.5 V ~ 5.5 V
特點： 消除爆音，數(shù)字輸入，I²C，I²S，靜音，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-LFCSP-WQ（4x4）
封裝/外殼： 20-WFQFN 裸露焊盤，CSP
包裝： 帶卷 (TR)
Data Sheet
SSM2518
Rev. A | Page 5 of 48
SPECIFICATIONS
All specifications at PVDD = 5.0 V, DVDD = 1.8 V, fS = 48 kHz, MCLK = 128 × fS, TA = 25°C, RL = 8 Ω + 15 μH, LP_MODE = 0, volume
control = 0 dB, unless otherwise noted.
PERFORMANCE SPECIFICATIONS
Table 1.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
DEVICE CHARACTERISTICS
PO
f = 1 kHz, BW = 20 kHz
Output Power
RL = 4 Ω, THD = 1%, PVDD = 5.0 V
2
W
RL = 4 Ω, THD = 10%, PVDD = 5.0 V
2.5
W
RL = 8 Ω, THD = 1%, PVDD = 5.0 V
1.42
W
RL = 8 Ω, THD = 10%, PVDD = 5.0 V
1.8
W
RL = 4 Ω, THD = 1%, PVDD = 3.6 V
1.3
W
RL = 4 Ω, THD = 10%, PVDD = 3.6 V
1.7
W
RL = 8 Ω, THD = 1%, PVDD = 3.6 V
0.75
W
RL = 8 Ω, THD = 10%, PVDD = 3.6 V
0.94
W
RL = 4 Ω, THD = 1%, PVDD = 2.5 V
0.4
W
RL = 4 Ω, THD = 10%, PVDD = 2.5 V
0.45
W
RL = 8 Ω, THD = 1%, PVDD = 2.5 V
0.275
W
RL = 8 Ω, THD = 10%, PVDD = 2.5 V
0.35
W
Efficiency
η
PO = 1.4 W, 8 Ω, PVDD = 5.0 V, normal operation
91
%
PO = 1.4 W, 8 Ω, PVDD = 5.0 V, ultralow EMI operation
86
%
THD + N
PO = 0.5 W into 8 Ω each channel, f = 1 kHz, PVDD = 5 V
0.04
%
Total Harmonic Distortion
Plus Noise
PO = 0.25 W into 8 Ω each channel, f = 1 kHz, PVDD = 3.6 V
0.03
%
Channel Separation
XTALK
PO = 1 W, f = 1 kHz, PVDD = 5 V
108
dB
Average Switching Frequency
fSW
280
kHz
Differential Output Offset
VOOS
2.0
mV
Power Supply Rejection Ratio
PSRRDC
PVDD = 2.5 V to 5.0 V
70
80
dB
PSRRGSM
VRIPPLE = 100 mV rms at 217 Hz, dither input
80
dB
PSRRGSM
VRIPPLE = 100 mV rms at 217 Hz, no input
100
dB
Supply Current
IPVDD
Dither input, no load, PVDD = 5.0 V
4.7
mA
PVDD
Dither input, no load, PVDD = 3.6 V
4.4
mA
Dither input, no load, PVDD = 2.5 V
3.8
mA
Software power-down, SD = 1.8 V, SPWDN = 1, PVDD = 3.6 V
4
μA
Hardware power-down, SD = 0 V, PVDD = 3.6 V
100
nA
DVDD
IDVDD
Dither input, no load, DVDD = 3.3 V
3.0
mA
Dither input, no load, DVDD = 1.8 V
1.5
mA
Dither input, no load, DVDD = 1.8 V, fS = 8 kHz
0.25
mA
Software power-down, SD = 1.8 V, SPWDN = 1, DVDD = 1.8 V
2.5
μA
Hardware power-down, SD = 0 V, DVDD = 1.8 V
100
nA
Output Noise Voltage
en
PVDD = 5 V, f = 20 Hz to 20 kHz, dither input, A-weighted
50
μV
PVDD = 3.6 V, f = 20 Hz to 20 kHz, dither input, A-weighted
40
μV
Signal-to-Noise Ratio
SNR
A-weighted, referred to 0 dBFS, PVDD = 3.6 V
97
dB
Mute Attenuation
Soft mute on
100
dB
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