VDD = 5.0 V, TA
參數(shù)資料
型號(hào)： EVAL-SSM2380Z
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 27/32頁(yè)
文件大小： 0K
描述： BOARD EVALUATION FOR SSM2375
標(biāo)準(zhǔn)包裝： 1
放大器類(lèi)型： D 類(lèi)
輸出類(lèi)型： 2 通道（立體聲）
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： 3.2W x 2 @ 4 歐姆
板類(lèi)型： 完全填充
已用 IC / 零件： SSM2380
已供物品： 板
SSM2380
Rev. A | Page 4 of 32
SPECIFICATIONS
VDD = 5.0 V, TA = 25°C, RL = 8 Ω +33 μH, gain = 6 dB, I2C control mode, unless otherwise noted.
Table 1.
Parameter
Symbol
Test Conditions/Comments1
Min
Typ
Max
Unit
DEVICE CHARACTERISTICS
f = 1 kHz, 20 kHz bandwidth
Output Power
PO
RL = 8 Ω, THD = 1%, VDD = 5.0 V
1.43
W
RL = 8 Ω, THD = 1%, VDD = 3.6 V
0.73
W
RL = 8 Ω, THD = 10%, VDD = 5.0 V
1.8
W
RL = 8 Ω, THD = 10%, VDD = 3.6 V
0.92
W
RL = 4 Ω, THD = 1%, VDD = 5.0 V
W
RL = 4 Ω, THD = 1%, VDD = 3.6 V
1.3
W
RL = 4 Ω, THD = 10%, VDD = 5.0 V
W
RL = 4 Ω, THD = 10%, VDD = 3.6 V
1.62
W
Efficiency
η
PO = 1.4 W into 8 Ω, VDD = 5.0 V
Normal, low EMI mode
93
%
Ultralow EMI mode
91
%
Total Harmonic Distortion Plus
Noise
THD + N
PO = 1 W into 8 Ω, f = 1 kHz, VDD = 5.0 V
0.005
%
PO = 0.5 W into 8 Ω, f = 1 kHz, VDD = 3.6 V
0.005
%
Input Common-Mode Voltage
Range
VCM
1.0
VDD 1.0
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
325
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
VDD = 2.5 V to 5.0 V, dc input floating
70
85
dB
PSRRGSM
VRIPPLE = 100 mV at 217 Hz, inputs ac-grounded,
CIN = 0.1 μF
60
dB
Supply Current, Stereo
ISY
VIN = 0 V, no load, VDD = 5.0 V
6.8
mA
VIN = 0 V, no load, VDD = 3.6 V
6.0
mA
VIN = 0 V, no load, VDD = 2.5 V
5.8
mA
VIN = 0 V, RL = 8 Ω + 33 μH, VDD = 5.0 V
7.0
mA
VIN = 0 V, RL = 8 Ω + 33 μH, VDD = 3.6 V
6.1
mA
VIN = 0 V, RL = 8 Ω + 33 μH, VDD = 2.5 V
5.5
mA
Shutdown Current
ISD
SD = GND
20
nA
GAIN CONTROL
Closed-Loop Gain
Gain
GAINx = I2C control mode
1
24
dB
SHUTDOWN CONTROL
Input Voltage High
VIH
1.35
V
Input Voltage Low
VIL
0.35
V
Turn-On Time
tWU
SD rising edge from GND to VDD
7
ms
Turn-Off Time
tSD
SD falling edge from VDD to GND
5
μs
Output Impedance
ZOUT
SD = GND
>100
kΩ
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
30
μV rms
Signal-to-Noise Ratio
SNR
PO = 1.4 W, RL = 8 Ω, gain = 6 dB
100
dB
PO = 1.4 W, RL = 8 Ω, gain = 24 dB
90
dB
1 Although the SSM2380 has good quality above 2 W, continuous output power beyond 2 W must be avoided due to device packaging limitations.
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