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参数资料
型号： EVAL-SSM2319Z
厂商： Analog Devices Inc
文件页数： 14/20页
文件大小： 0K
描述： SSM2319 EVALUATION BOARD
标准包装： 1
放大器类型： D 类
输出类型： 1-通道（单声道）
在某负载时最大输出功率 x 通道数量： 3.7W x 1 @ 3 欧姆
电源电压： 2.5 V ~ 5.5 V
工作温度： -40°C ~ 85°C
板类型： 完全填充
已用 IC / 零件： SSM2319
已供物品： 板
SSM2319
Rev. 0 | Page 3 of 20
SPECIFICATIONS
VDD = 5.0 V, TA = 25oC, RL = 8 Ω +33 μH, SYNCI = GND (standalone mode), unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
DEVICE CHARACTERISTICS
Output Power
POUT
RL = 8 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V
1.41
W
RL = 8 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V
0.72
W
RL = 8 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 2.5 V
0.33
W
RL = 8 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V
1.77
W
RL = 8 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V
0.91
W
RL = 8 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 2.5 V
0.42
W
RL = 4 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V
2.53
W
RL = 4 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V
1.28
W
RL = 4 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 2.5 V
0.56
W
RL = 4 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V
3.171
W
RL = 4 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V
1.6
W
RL = 4 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 2.5 V
0.72
W
RL = 3 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V
3.11
W
RL = 3 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V
1.52
W
RL = 3 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 2.5 V
0.68
W
RL = 3 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V
3.71
W
RL = 3 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V
1.9
W
RL = 3 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 2.5 V
0.85
W
Efficiency
η
POUT = 1.4 W, 8 Ω, VDD = 5.0 V
93
%
Total Harmonic Distortion + Noise
THD + N
POUT = 1 W into 8 Ω, f = 1 kHz, VDD = 5.0 V
0.06
%
POUT = 0.5 W into 8 Ω, f = 1 kHz, VDD = 3.6 V
0.02
%
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
57
dB
Average Switching Frequency
fSW
300
kHz
Differential Output Offset Voltage
VOOS
G = 12 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/ground
70
85
dB
PSRRGSM
VRIPPLE = 100 mV at 217 Hz, inputs ac GND, CIN = 0.1 μF
60
dB
Supply Current
ISY
VIN = 0 V, no load, VDD = 5.0 V
3.6
mA
VIN = 0 V, no load, VDD = 3.6 V
3.2
mA
VIN = 0 V, no load, VDD = 2.5 V
2.7
mA
VIN = 0 V, load = 8 Ω + 33 μH, VDD = 5.0 V
3.7
mA
VIN = 0 V, load = 8 Ω + 33 μH, VDD = 3.6 V
3.3
mA
VIN = 0 V, load = 8 Ω + 33 μH, VDD = 2.5 V
2.8
mA
Shutdown Current
ISD
SD = GND
20
nA
GAIN CONTROL
Closed-Loop Gain
Av
12
dB
Differential Input Impedance
ZIN
SD = VDD
40
kΩ
SHUTDOWN CONTROL
Input Voltage High
VIH
ISY ≥ 1 mA
1.2
V
Input Voltage Low
VIL
ISY ≤ 300 nA
0.5
V
Turn-On Time
tWU
SD rising edge from GND to VDD
28
ms
Turn-Off Time
tSD
SD falling edge from VDD to GND
5
μs
Output Impedance
ZOUT
SD = GND
>100
kΩ
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