VDD = 5.0 V; TA
參數(shù)資料
型號(hào)： SSM2304CPZ-REEL
廠商： Analog Devices Inc
文件頁數(shù)： 14/20頁
文件大?。?/td> 0K
描述： IC AMP AUDIO 2.4W STER D 16LFCSP
標(biāo)準(zhǔn)包裝： 5,000
類型： D 類
輸出類型： 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： 2.4W x 2 @ 4 歐姆
電源電壓： 2.5 V ~ 5 V
特點(diǎn)： 消除爆音，差分輸入，短路和熱保護(hù)，關(guān)閉
安裝類型： 表面貼裝
供應(yīng)商設(shè)備封裝： 16-LFCSP-VQ
封裝/外殼： 16-VFQFN 裸露焊盤，CSP
包裝： 帶卷 (TR)
配用： SSM2304Z-EVAL-ND - EVAL BOARD FOR SSM2304Z
SSM2304
Rev. 0 | Page 3 of 20
SPECIFICATIONS
VDD = 5.0 V; TA = 25oC; RL = 4 Ω, 8 Ω; gain = 18 dB; unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
DEVICE CHARACTERISTICS
Output Power
PO
RL = 4 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V
1.8
W
RL = 8 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V
1.4
W
RL = 4 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V
0.9
W
RL = 8 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V
0.615
W
RL = 4 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 2.5 V
0.35
W
RL = 8 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 2.5 V
0.275
W
RL = 4 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V
2.4
W
RL = 8 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V
1.53
W
RL = 4 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V
1.1
W
RL = 8 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V
0.77
W
RL = 4 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 2.5 V
0.45
W
RL = 8 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 2.5 V
0.35
W
Efficiency
η
POUT = 2 W, 4 Ω, VDD = 5.0 V
75
%
POUT = 1.4 W, 8 Ω, VDD = 5.0 V
85
%
Total Harmonic Distortion + Noise
THD + N
PO = 2 W into 4 Ω each channel, f = 1 kHz, VDD = 5.0 V
0.2
%
PO = 1 W into 8 Ω each channel, f = 1 kHz, VDD = 3.6 V
0.25
%
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
60
dB
Channel Separation
XTALK
PO = 100 mW , f = 1 kHz
78
dB
Average Switching Frequency
fSW
1.8
MHz
Differential Output Offset Voltage
VOOS
2.0
mV
POWER SUPPLY
Supply Voltage Range
VDD
Guaranteed from PSRR test
2.5
5.0
V
Power Supply Rejection Ratio
PSRR
VDD = 2.5 V to 5.0 V,
70
85
dB
PSRRGSM
VRIPPLE = 100 mV rms at 217 Hz, inputs ac GND,
CIN = 0.01 μF, input referred
68
dB
Supply Current
ISY
VIN = 0 V, no load, VDD = 5.0 V
7.0
mA
VIN = 0 V, no load, VDD = 3.6 V
6.5
mA
VIN = 0 V, no load, VDD = 2.5 V
5.2
mA
Shutdown Current
ISD
SD = GND
20
nA
GAIN
Closed-Loop Gain
Av
Rext = 0
18
dB
Differential Input Impedance
ZIN
SD = VDD
47
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
30
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, AV = 6 dB, RL = 4 Ω, A weighting
22
μV
Signal-to-Noise Ratio
SNR
POUT = 2.0 W, RL = 4 Ω
102
dB
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