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参数资料
| 型号： | SSM2804CBZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 31/36页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO DR 30-WLSCP |
| 标准包装： | 1 |
| 类型： | D 类 |
| 输出类型： | 2-通道（立体声）带立体声耳机 |
| 在某负载时最大输出功率 x 通道数量： | 3.6W x 2 @ 4 欧姆; 40mW x 2 @ 16 欧姆 |
| 电源电压： | 2.5 V ~ 3.6 V |
| 特点： | 消除爆音，I²C，短路和热保护，关机，音量控制 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 30-WLCSP（2.96x2.46） |
| 封装/外壳： | 30-WFBGA，WLBGA |
| 包装： | 标准包装 |
| 其它名称： | SSM2804CBZ-RLDKR |
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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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