TA = 25°C, AVDD = 3.3 V, PVDD = 3.6 V, gai" />
參數(shù)資料
型號： SSM2804CBZ-R7
廠商： Analog Devices Inc
文件頁數(shù)： 31/36頁
文件大?。?/td> 0K
描述： IC AMP AUDIO 1.4W SPKR 30WLSCP
標(biāo)準(zhǔn)包裝： 1,500
類型： D 類
輸出類型： 2-通道（立體聲）帶立體聲耳機(jī)
在某負(fù)載時最大輸出功率 x 通道數(shù)量： 3.6W x 2 @ 4 歐姆; 40mW x 2 @ 16 歐姆
電源電壓： 2.5 V ~ 3.6 V
特點(diǎn)： 消除爆音，I²C，短路和熱保護(hù)，關(guān)機(jī)，音量控制
安裝類型： 表面貼裝
供應(yīng)商設(shè)備封裝： 30-WLCSP（2.96x2.46）
封裝/外殼： 30-WFBGA，WLBGA
包裝： 帶卷 (TR)
SSM2804
Rev. 0 | Page 4 of 36
SPECIFICATIONS
TA = 25°C, AVDD = 3.3 V, PVDD = 3.6 V, gain = 0 dB, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
POWER SUPPLY
Analog Voltage Supply (AVDD)
2.5
3.3
3.6
V
Speaker Voltage Supply (PVDD)
2.7
3.6
5.5
V
Total Quiescent Current (IDD)
3.5
mA
HP mode only
6.0
mA
Stereo Class-D mode only
9.8
mA
HP and Class-D modes
400
μA
Receiver path mode
Power-Down Current (ISD)
1
μA
SD pin low
INPUT CHARACTERISTICS
Turn-On Time
10
ms
SD rising edge from AGND to AVDD
PGA Mode Operation
Input Impedance
38
54
kΩ
Minimum gain setting
4.5
6.5
kΩ
Maximum gain setting
Gain Range
12
+18
dB
INAx, INBx, INCx inputs, 31 steps
Boost Mode Operation
Input Impedance
20
kΩ
Gain Range
0
20
dB
INAx, INBx, INCx inputs, 3 steps
CLASS-D AMPLIFIER
Output Offset Voltage (VOS)
2.3
mV
Output muted
12
mV
Output unmuted
Output Power (POUT)
f = 1 kHz, mono operation
310
mW
PVDD = 2.7 V, RL = 8 Ω + 33 μH, THD + N = 1%
700
mW
PVDD = 3.6 V, RL = 8 Ω + 33 μH, THD + N = 1%
1.0
W
PVDD = 4.2 V, RL = 8 Ω + 33 μH, THD + N = 1%
1.4
W
PVDD = 5.0 V, RL = 8 Ω + 33 μH, THD + N = 1%
700
mW
PVDD = 2.7 V, RL = 4 Ω + 15 μH, THD + N = 1%
1.5
W
PVDD = 3.6 V, RL = 4 Ω + 15 μH, THD + N = 1%
2.0
W
PVDD = 4.2 V, RL = 4 Ω + 15 μH, THD + N = 1%
2.9
W
PVDD = 5.0 V, RL = 4 Ω + 15 μH, THD + N = 1%
400
mW
PVDD = 2.7 V, RL = 8 Ω + 33 μH, THD + N = 10%
860
mW
PVDD = 3.6 V, RL = 8 Ω + 33 μH, THD + N = 10%
1.2
W
PVDD = 4.2 V, RL = 8 Ω + 33 μH, THD + N = 10%
1.7
W
PVDD = 5.0 V, RL = 8 Ω + 33 μH, THD + N = 10%
900
mW
PVDD = 2.7 V, RL = 4 Ω + 15 μH, THD + N = 10%
1.8
W
PVDD = 3.6 V, RL = 4 Ω + 15 μH, THD + N = 10%
2.5
W
PVDD = 4.2 V, RL = 4 Ω + 15 μH, THD + N = 10%
3.6
W
PVDD = 5.0 V, RL = 4 Ω + 15 μH, THD + N = 10%
Total Harmonic Distortion Plus Noise
(THD + N)
0.01
%
RL = 8 Ω + 33 μH, POUT = 250 mW
Output Noise (Vn)
40
μV
20 Hz to 20 kHz, A-weighted
Signal-to-Noise Ratio (SNR)
94
dB
2.0 V rms output, A-weighted, PVDD = 5 V
Power Supply Rejection Ratio (PSRR)
80
dB
217 Hz, 200 mV p-p ripple
80
dB
1 kHz, 200 mV p-p ripple
Common-Mode Rejection Ratio (CMRR)
55
dB
Differential input mode, 1 kHz, 10 mV rms
Efficiency
89
%
POUT = 700 mW
Minimum Load Resistance (RLOAD)
4
Ω
Average Switching Frequency (fSW)
400
kHz
Volume Control Gain Range
63
+12
dB
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