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参数资料
| 型号： | SSM3302ACPZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 16/20页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO 20W STER D 40LFCSP |
| 标准包装： | 2,500 |
| 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： | 36.6W x 1 @ 2 欧姆; 24W x 2 @ 4 欧姆 |
| 电源电压： | 7 V ~ 18 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： | 40-LFCSP-WQ（6x6） |
| 封装/外壳： | 40-WFQFN 裸露焊盘，CSP |
| 包装： | 带卷 (TR) |
Data Sheet
SSM3302
Rev. A | Page 5 of 20
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
ISYAVDD
VIN = 0 V, load = 8 + 68 H, PVDD = 15 V, VREGEN = AGND
(internal VREG disabled)
5.85
mA
VIN = 0 V, load = 8 + 68 H, PVDD = 12 V, VREGEN = AGND
(internal VREG disabled)
5.8
mA
VIN = 0 V, load = 8 + 68 H, PVDD = 7 V, VREGEN = AGND
(internal VREG disabled)
5.6
mA
Shutdown Current
ISD
SD = AGND
10
A
ANALOG SUPPLY
External Supply Voltage
AVDD
Permissible range for external AVDD, VREGEN = AGND
4.5
5.5
V
On-Board Regulator
VVREG
5
V
Regulator Current
IVREG
20
mA
Regulator Power Supply
Rejection
PSRRVREG
70
dB
GAIN CONTROL
Closed-Loop Voltage Gain
AV
See Table 5 for gain options
9
24
dB
Input Impedance
ZIN
40
k
SHUTDOWN CONTROL
Input Voltage High
VIH
1.35
V
Input Voltage Low
VIL
0.35
V
Turn-On Time
tWU
SD rising edge from AGND to AVDD
40
ms
Turn-Off Time
tSD
SD falling edge from AVDD to AGND
500
s
Output Impedance
ZOUT
SD = GND
56
k
AMPLIFIER PROTECTION
Overcurrent Threshold
IOC
6
A
Overtemperature
Warning
TWARN
120
°C
Overtemperature
Shutdown
TSD
145
°C
Recovery Temperature
TREC
85
°C
NOISE PERFORMANCE
Output Voltage Noise
en
PVDD = 12 V, f = 20 Hz to 20 kHz, inputs are ac grounded,
gain = 9 dB, A-weighted
100
V rms
Signal-to-Noise Ratio
SNR
PO = 10 W, RL = 8
98
dB
1
Although the SSM3302 has good audio quality above 2 × 10 W into 4 , continuous output power beyond 2 × 10 W into 4 must be avoided due to device packaging
limitations.
2
Mono mode. Output power beyond 20 W needs special care for thermally considered printed circuit board (PCB) design.
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