VDD = 5.0 V, TA
參數(shù)資料
型號： EVAL-SSM2335Z
廠商： Analog Devices Inc
文件頁數(shù)： 10/16頁
文件大?。?/td> 0K
描述： BOARD EVAL FOR SSM2335
標(biāo)準(zhǔn)包裝： 1
放大器類型： D 類
輸出類型： 1-通道（單聲道）
在某負(fù)載時最大輸出功率 x 通道數(shù)量： 4.28W x 1 @ 3 歐姆
電源電壓： 2.5 V ~ 5.5 V
工作溫度： -40°C ~ 85°C
板類型： 完全填充
已用 IC / 零件： SSM2335
已供物品： 板
SSM2335
Rev. 0 | Page 3 of
16
SPECIFICATIONS
VDD = 5.0 V, TA = 25°C, RL = 8 Ω +33 μH, unless otherwise noted.
Table 1.
Parameter
Symbol
Test Conditions/Comments1
Min
Typ
Max
Unit
DEVICE CHARACTERISTICS
Output Power
PO
f = 1 kHz, 20 kHz BW
RL = 8 Ω, THD = 1%, VDD = 5.0 V
1.48
W
RL = 8 Ω, THD = 1%, VDD = 3.6 V
0.75
W
RL = 8 Ω, THD = 10%, VDD = 5.0 V
1.84
W
RL = 8 Ω, THD = 10%, VDD = 3.6 V
0.94
W
RL = 4 Ω, THD = 1%, VDD = 5.0 V
2.72
W
RL = 4 Ω, THD = 1%, VDD = 3.6 V
1.38
W
RL = 4 Ω, THD = 10%, VDD = 5.0 V
W
RL = 4 Ω, THD = 10%, VDD = 3.6 V
1.72
W
RL = 3 Ω, THD = 1%, VDD = 5.0 V
W
RL = 3 Ω, THD = 1%, VDD = 3.6 V
1.72
W
RL = 3 Ω, THD = 10%, VDD = 5.0 V
W
RL = 3 Ω, THD = 10%, VDD = 3.6 V
2.14
W
Efficiency
η
PO = 1.4 W, 8 Ω, VDD = 5.0 V
93
%
Total Harmonic Distortion + Noise
THD + N
PO = 1 W into 8 Ω, f = 1 kHz, VDD = 5.0 V
0.01
%
PO = 0.5 W into 8 Ω, f = 1 kHz, VDD = 3.6 V
0.01
%
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
60
dB
Average Switching Frequency
fSW
300
kHz
Differential Output Offset Voltage
VOOS
Gain = 18 dB
2.0
mV
POWER SUPPLY
Supply Voltage Range
VDD
Guaranteed from PSRR test
2.5
5.5
V
Power Supply Rejection Ratio
PSRRDC
VDD = 2.5 V to 5.0 V, dc input floating
60
85
dB
PSRRGSM
VRIPPLE = 100 mV at 217 Hz, inputs ac GND, CIN = 0.1 μF
65
dB
Supply Current
ISY
VIN = 0 V, no load, VDD = 5.0 V
3.2
mA
VIN = 0 V, no load, VDD = 3.6 V
2.8
mA
VIN = 0 V, no load, VDD = 2.5 V
2.4
mA
VIN = 0 V, load = 8 Ω + 33 μH, VDD = 5.0 V
3.3
mA
VIN = 0 V, load = 8 Ω + 33 μH, VDD = 3.6 V
2.9
mA
VIN = 0 V, load = 8 Ω + 33 μH, VDD = 2.5 V
2.4
mA
Shutdown Current
ISD
SD = GND
20
nA
GAIN CONTROL
Closed-Loop Gain
Gain
18
dB
Differential Input Impedance
ZIN
SD = VDD
20
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
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 = 18 dB, A-weighted
44
μV rms
Signal-to-Noise Ratio
SNR
PO = 1.4 W, RL = 8 Ω
96
dB
1 Although the SSM2335 has good audio quality above 3 W, continuous output power beyond 3 W must be avoided due to device packaging limitations.
2 This value represents measured performance; packaging limitations must not be exceeded.
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