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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
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 th
e 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.