SSM2301_01 Datasheet, PDF (3/16 Pages) Analog Devices – Filterless High Efficiency Mono 1.4W Class-D Audio Amplifier

SSM2301
SPECIFICATIONS
VDD = 5.0 V, TA = 25^oC, RL = 8 Ω + 33 μH, unless otherwise noted.
Table 1.
Parameter
DEVICE CHARACTERISTICS
Output Power
Efficiency
Symbol Conditions
PO
VDD = 5.0 V, RL = 8 Ω, THD = 1%
f = 1 kHz, 20 kHz BW
VDD = 5.0 V, RL = 8 Ω, THD = 10%
f = 1 kHz, 20 kHz BW
VDD = 3.6 V, RL = 8 Ω, THD = 1%
f = 1 kHz, 20 kHz BW
VDD = 3.6 V, RL = 8 Ω, THD = 10%
f = 1 kHz, 20 kHz BW
VDD = 2.5 V, RL = 8 Ω, THD = 1%
f = 1 kHz, 20 kHz BW
VDD = 2.5 V, RL = 8 Ω, THD = 10%
f = 1 kHz, 20 kHz BW
η
POUT = 1.4 W, 8 Ω, VDD = 5.0 V
Min Typ Max
Unit
1.22
W
1.52
W
590
mW
775
mW
275
mW
345
mW
85
%
Total Harmonic Distortion + Noise
Input Common-Mode Voltage Range
Common-Mode Rejection Ratio
Average Switching Frequency
Differential Output Offset Voltage
POWER SUPPLY
Supply Voltage Range
Power Supply Rejection Ratio
Supply Current
Shutdown Current
GAIN CONTROL
Closed-Loop Gain
Differential Input Impedance
SHUTDOWN CONTROL
Input Voltage High
Input Voltage Low
Turn-On Time
Turn-Off Time
Output Impedance
NOISE PERFORMANCE
Output Voltage Noise
Signal-to-Noise Ratio
THD + N PO = 1 W into 8 Ω, f = 1 kHz, VDD = 5.0 V
PO = 0.5 W into 8 Ω, f = 1 kHz, VDD = 3.6 V
VCM
1.0
CMRRGSM VCM = 2.5 V ± 100 mV at 217 Hz
fSW
VOOS
G = 6 dB; G = 12 dB
VDD
PSRR
PSRRGSM
ISY
ISD
Guaranteed from PSRR test
2.5
VDD = 2.5 V to 5.0 V, dc input floating/ground
70
VRIPPLE = 100 mV at 217 Hz, inputs are ac grounded,
CIN = 0.01 μF, input referred
VIN = 0 V, no load, VDD = 5.0 V
VIN = 0 V, no load, VDD = 3.6 V
VIN = 0 V, no load, VDD = 2.5 V
SD = GND
AV0
GAIN pin = 0 V
AV1
GAIN pin = VDD
ZIN
SD = VDD, SD = GND
VIH
ISY ≥ 1 mA
VIL
ISY ≤ 300 nA
tWU
SD rising edge from GND to VDD
tSD
SD falling edge from VDD to GND
ZOUT
SD = GND
en
VDD = 2.5 V to 5.0 V, f = 20 Hz to 20 kHz, inputs are
ac grounded, sine wave, AV = 6 dB, A weighting
SNR
POUT = 1.4 W, RL = 8 Ω
0.1
%
0.04
%
VDD − 1.0 V
55
dB
1.8
MHz
2.0
mV
5.0
V
85
dB
63
dB
4.2
mA
3.5
mA
2.9
mA
20
nA
6
dB
12
dB
150
kΩ
210
kΩ
1.2
V
0.5
V
30
ms
5
μs
>100
kΩ
35
μV
98
dB
Rev. A | Page 3 of 16