PAM8320 Datasheet, PDF (3/11 Pages) Diodes Incorporated – 20W Mono Class D Audio Amplifier

A PRODUCT LINE OF
DIODES INCORPORATED
PAM8320
Absolute Maximum Ratings (@T_A = +25°C, unless otherwise specified.)
Parameter
Supply Voltage (V_CC)
Logic Input Voltage (SDN, MUTE)
Analog Input Voltage (I_N)
Storage Temperature
Maximum Junction Temperature
Junction to ambient thermal resistance
18
-0.3 to V_CC+0.3
-0.3 to 5.5
-65 to +150
+150
40
Rating
Unit
V
V
V
°C
°C
°C/W
Recommended Operating Conditions (@T_A = +25°C, unless otherwise specified.)
Symbol
V_CC
T_A
T_J
Parameter
Supply Voltage
Operating Ambient Temperature Range
Junction Temperature Range
Min
Max
Unit
4.5
15
V
-40
+85
°C
-40
+125
°C
Electrical Characteristics (@T_A = +25°C, V_CC = 12V, Gain = 20dB, R_L = L(33μH) + R + L(33μH), unless otherwise noted.)
Symbol
|VOS|
PARAMETER
Class-D output offset voltage(measured
differently)
I_CC(q)
Quiescent supply current
I_CC(MUTE)
I_CC(SDN)
R_ds(on)
Quiescent supply current in mute mode
Quiescent current in shutdown mode
Drain-source on-state resistance
P_SRR
Power Supply Rejection Ratio
P_o
THD+N
Output Power at 1% THD+N
Output Power at 10% THD+N
Total harmonic distortion + noise
V_n
Output integrated noise floor
Test Conditions
MIN
V_i=0V, A_v=20dB
—
SDN=3.0V, MUTE=0V, No Load
—
MUTE=2.0V, No load
—
SDN=0.5V, No load
—
I_O=0.5A
—
V_ripple=200mVpp, f=1kHz,gain=20dB —
f=1kHz
—
f=1kHz
—
f=1kHz, P_O=7W
—
20Hz to 22kHz, A-weighted,
Gain=20dB
—
TYP
20
15
8
20
150
-60
15
20
0.05
300
MAX Units
100
mV
30
mA
20
mA
40
uA
—
mΩ
—
dB
—
W
—
—
%
—
uV
SNR
Signal-to-noise ratio
OTP
OTH
f_osc
V_{IH_SDN}
V_{IL_SDN}
V_{IH_MUTE}
V_{IL_MUTE}
Thermal trip point
Thermal hysteresis
Oscillator frequency
SDN Input High
SDN Input Low
MUTE Input High
MUTE Input Low
Max output at THD+N<1%, f=1kHz,
Gain=20dB
—
95
—
dB
—
—
+160
—
°C
—
—
+40
—
°C
—
—
300
—
kHz
—
3
—
—
—
—
—
—
0.5
—
—
2
—
—
—
—
—
—
0.5
—
PAM8320
Document number: DS36610 Rev. 1 - 2
3 of 11
www.diodes.com
October 2013
© Diodes Incorporated