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| 型号： | SSM2356CBZ-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 10/16页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUD 2X2W STER D 16WLCSP |
| 产品变化通告： | 8mm Carrier Tape Changes 28/Feb/2012 |
| 标准包装： | 1 |
| 类型： | D 类 |
| 输出类型： | 2 通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 2.5W x 2 @ 4 欧姆 |
| 电源电压： | 2.5 V ~ 5.5 V |
| 特点： | 消除爆音，差分输入，短路和热保护，关闭 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 16-WLCSP |
| 封装/外壳： | 16-WFBGA，WLCSP |
| 包装： | 标准包装 |
| 其它名称： | SSM2356CBZ-RL7DKR |
Data Sheet
SSM2356
Rev. A | Page 3 of 16
SPECIFICATIONS
VDD = 5.0 V, TA = 25oC, RL = 8 +33 μH, EDGE = GND, Gain = 6 dB, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
DEVICE CHARACTERISTICS
Output Power/Channel
PO
RL = 8 , THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V
1.42
W
RL = 8 , THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V
0.75
W
RL = 8 , THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V
1.8
W
RL = 8 , THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V
0.94
W
RL = 4 , THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V
2.0
W
RL = 4 , THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V
1.3
W
RL = 4 , THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V
2.51
W
RL = 4 , THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V
1.7
W
Efficiency
η
PO = 1.4 W, 8 , VDD = 5.0 V, EDGE = GND
(normal, low EMI mode)
92
%
PO = 1.4 W, 8 , VDD = 5.0 V, EDGE = VDD
(ultralow EMI mode)
90
%
Total Harmonic Distortion + Noise
THD + N
PO = 1 W into 8 , f = 1 kHz, VDD = 5.0 V
0.004
%
PO = 0.5 W into 8 , f = 1 kHz, VDD = 3.6 V
0.004
%
Input Common-Mode Voltage Range
VCM
1.0
VDD 1
V
Common-Mode Rejection Ratio
CMRRGSM
VCM = 2.5 V ± 100 mV at 217 Hz, output referred
55
dB
Channel Separation
XTALK
PO = 100 mW, f = 1 kHz
78
dB
Average Switching Frequency
fSW
300
kHz
Differential Output Offset Voltage
VOOS
Gain = 6 dB
2.0
mV
POWER SUPPLY
Supply Voltage Range
VDD
Guaranteed from PSRR test
2.5
5.5
V
Power Supply Rejection Ratio
PSRR
(DC)
VDD = 2.5 V to 5.0 V, dc input floating
70
85
dB
PSRRGSM
VRIPPLE = 100 mV at 217 Hz, inputs ac GND, CIN = 0.1 F
60
dB
Supply Current (stereo)
ISY
VIN = 0 V, no load, VDD = 5.0 V
5.75
mA
VIN = 0 V, no load, VDD = 3.6 V
4.9
mA
VIN = 0 V, no load, VDD = 2.5 V
4.7
mA
VIN = 0 V, load = 8 + 33 H, VDD = 5.0 V
5.5
mA
VIN = 0 V, load = 8 + 33 H, VDD = 3.6 V
5.1
mA
VIN = 0 V, load = 8 + 33 H, VDD = 2.5 V
4.5
mA
Shutdown Current
ISD
SDNR = SDNL= GND
20
nA
GAIN CONTROL
Closed-Loop Gain
Gain
GAIN = VDD
18
dB
Gain
GAIN = GND
6
dB
Input Impedance
ZIN
SDNR = SDNL = VDD; GAIN = GND or VDD
80
k
SHUTDOWN CONTROL
Input Voltage High
VIH
1.35
V
Input Voltage Low
VIL
0.35
V
Turn-On Time
tWU
SDNR/SDNL rising edge from GND to VDD
7
ms
Turn-Off Time
tSD
SDNR/SDNL falling edge from VDD to GND
5
s
Output Impedance
ZOUT
SDNR/SDNL = GND
>100
k
NOISE PERFORMANCE
Output Voltage Noise
en
VDD = 3.6 V, f = 20 Hz to 20 kHz, inputs are ac grounded,
Gain = 6 dB, A-weighted
29
Vrms
Signal-to-Noise Ratio
SNR
PO = 1.4 W, RL = 8
100
dB
1
Note that, although the SSM2356 has good audio quality above 2 W per channel, continuous output power beyond 2 W per channel must be avoided due to device
packaging limitations.
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