Datasheet

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DISSIPATION RATINGS TABLE
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA2008D2
SLOS413C – JULY 2003 – REVISED MAY 2004
PACKAGE T
A
≤ 25°C DERATING FACTOR T
A
= 70°C T
A
= 85°C
PWP 2.18 W 21.8 mW/°C 1.2 W 872 mW
MIN MAX UNIT
V
DD
Supply voltage 4.5 5.5 V
Volume terminal voltage 0 V
DD
V
V
IH
High-level input voltage SHUTDOWN 2 V
V
IL
Low-level input voltage SHUTDOWN 0.8 V
PWM frequency 200 300 kHz
T
A
Operating free-air temperature -40 85 °C
T
J
Operating junction temperature 125 °C
T
A
= 25°C, V
DD
= PV
DD
= 5 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
| V
OS
| Output offset voltage (measured differentially) V
I
= 0 V, A
V
= 20 dB, R
L
= 8Ω 5 25 mV
PSRR Power supply rejection ratio V
DD
= PV
DD
= 4.5 V to 5.5 V -70 dB
| I
IH
| High-level input current V
DD
= PV
DD
= 5.5 V, VI= V
DD
= PV
DD
1 µA
| I
IL
| Low-level input current V
DD
= PV
DD
= 5.5 V, V
I
= 0 V 1 µA
I
DD
Supply current No filter (no load) 7 15 mA
I
DD(max)
RMS supply current at max power R
L
= 3 Ω, P
O
= 2.5 W/channel (stereo) 1.8 A
I
DD(SD)
Supply current in shutdown mode SHUTDOWN = 0 V 50 1000 nA
High side 450 600
V
DD
= 5 V, I
O
= 500 mA,
r
ds(on)
Drain-source on-state resistance mΩ
T
J
= 25°C
Low side 450 600
T
A
= 25°C, V
DD
= PV
DD
= 5 V, R
L
= 3 Ω, Gain = 0 dB (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
THD+N = 1% 2.5
f = 1 kHz, R
L
= 3 Ω, Stereo
P
O
Output power W
operation
THD+N = 10% 3
P
O
= 2.2 W, f = 20 Hz to 20 kHz <0.3%
THD+N Total harmonic distortion plus noise
P
O
= 1.5 W, f = 1 kHz 0.045%
BOM Maximum output power bandwidth THD = 5% 20 kHz
SNR Signal-to-noise ratio Maximum output at THD+N <0.5% 96 dB
Thermal trip point 150 °C
Thermal hysteresis 20 °C
Volume = 0 dB 42
20 Hz to 20 kHz, inputs ac
V
n
Integrated noise floor µV
rms
grounded
Volume = 20 dB 85
5