SSM2319
Rev. 0 | Page 3 of 20
SPECIFICATIONS
V
DD
= 5.0 V, T
A
= 25
o
C, R
L
= 8 Ω +33 μH, SYNCI = GND (standalone mode), unless otherwise noted.
Table 1.
Parameter Symbol Conditions Min Typ Max Unit
DEVICE CHARACTERISTICS
Output Power P
OUT
R
L
= 8 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, V
DD
= 5.0 V 1.41 W
R
L
= 8 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, V
DD
= 3.6 V 0.72 W
R
L
= 8 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, V
DD
= 2.5 V 0.33 W
R
L
= 8 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, V
DD
= 5.0 V 1.77 W
R
L
= 8 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, V
DD
= 3.6 V 0.91 W
R
L
= 8 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, V
DD
= 2.5 V 0.42 W
R
L
= 4 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, V
DD
= 5.0 V 2.53 W
R
L
= 4 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, V
DD
= 3.6 V 1.28 W
R
L
= 4 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, V
DD
= 2.5 V 0.56 W
R
L
= 4 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, V
DD
= 5.0 V 3.17
1
W
R
L
= 4 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, V
DD
= 3.6 V 1.6 W
R
L
= 4 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, V
DD
= 2.5 V 0.72 W
R
L
= 3 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, V
DD
= 5.0 V 3.1
1
W
R
L
= 3 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, V
DD
= 3.6 V 1.52 W
R
L
= 3 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, V
DD
= 2.5 V 0.68 W
R
L
= 3 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, V
DD
= 5.0 V 3.7
1
W
R
L
= 3 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, V
DD
= 3.6 V 1.9 W
R
L
= 3 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, V
DD
= 2.5 V 0.85 W
Efficiency η P
OUT
= 1.4 W, 8 Ω, V
DD
= 5.0 V 93 %
Total Harmonic Distortion + Noise THD + N P
OUT
= 1 W into 8 Ω, f = 1 kHz, V
DD
= 5.0 V 0.06 %
P
OUT
= 0.5 W into 8 Ω, f = 1 kHz, V
DD
= 3.6 V 0.02 %
Input Common-Mode Voltage Range V
CM
1.0 V
DD
− 1 V
Common-Mode Rejection Ratio CMRR
GSM
V
CM
= 2.5 V ± 100 mV at 217 Hz, output referred 57 dB
Average Switching Frequency f
SW
300 kHz
Differential Output Offset Voltage V
OOS
G = 12 dB 2.0 mV
POWER SUPPLY
Supply Voltage Range V
DD
Guaranteed from PSRR test 2.5 5.5 V
Power Supply Rejection Ratio PSRR V
DD
= 2.5 V to 5.0 V, dc input floating/ground 70 85 dB
PSRR
GSM
V
RIPPLE
= 100 mV at 217 Hz, inputs ac GND, C
IN
= 0.1 μF 60 dB
Supply Current I
SY
V
IN
= 0 V, no load, V
DD
= 5.0 V 3.6 mA
V
IN
= 0 V, no load, V
DD
= 3.6 V 3.2 mA
V
IN
= 0 V, no load, V
DD
= 2.5 V 2.7 mA
V
IN
= 0 V, load = 8 Ω + 33 μH, V
DD
= 5.0 V 3.7 mA
V
IN
= 0 V, load = 8 Ω + 33 μH, V
DD
= 3.6 V 3.3 mA
V
IN
= 0 V, load = 8 Ω + 33 μH, V
DD
= 2.5 V 2.8 mA
Shutdown Current I
SD
SD
= GND
20 nA
GAIN CONTROL
Closed-Loop Gain Av 12 dB
Differential Input Impedance Z
IN
SD = VDD
40 kΩ
SHUTDOWN CONTROL
Input Voltage High V
IH
I
SY
≥ 1 mA 1.2 V
Input Voltage Low V
IL
I
SY
≤ 300 nA 0.5 V
Turn-On Time t
WU
SD rising edge from GND to V
DD
28 ms
Turn-Off Time t
SD
SD falling edge from V
DD
to GND
5 μs
Output Impedance Z
OUT
SD
= GND
>100 kΩ
