TPA3001D1_07 Datasheet, PDF (4/28 Pages) Texas Instruments – 20-W MONO CLASS-D AUDIO POWER AMPLIFIER

TPA3001D1
SLOS398C – DECEMBER 2002 – REVISED JULY 2006
www.ti.com
RECOMMENDED OPERATING CONDITIONS
Supply voltage, V_CC, PV_CC
Load impedance, R_L
High-level input voltage, V_IH
Low-level input voltage, V_IL
Operating free-air temperature, T_A
R_L≥ 3.6⁽¹⁾
GAIN0, GAIN1, SHUTDOWN
GAIN0, GAIN1, SHUTDOWN
MIN
MAX UNIT
8
18
V
3.6
Ω
2
V
0.8
V
-40
85
°C
(1) The TPA3001D1 must not be used with any speaker or load (including speaker with output filter) that could vary below 3.6 Ω over the
audio frequency band.
ELECTRICAL CHARACTERISTICS
T_A= 25°C, PV_CC = V_CC = 12 V (unless otherwise noted)
PARAMETERS
TEST CONDITIONS
|V_OS|
PSRR
|I_IH|
|I_IL|
I_CC
Output offset voltage (measured
differentially)
Power supply rejection ratio
High-level input current
Low-level input current
Supply current
V_I = 0 V, A_V = 12 dB, 18, 23.6 dB
V_I = 0 V, A_V = 36 dB
PV_CC = 11.5 V to 12.5 V
PV_CC = 12 V, V_I = PV_CC
PV_CC = 12 V, V_I = 0 V
SHUTDOWN = 2.0 V, No load
SHUTDOWN = V_CC, V_CC = 18 V, P_O = 20 W, R_L =
8Ω
I_CC(SD)
f_s
r_ds(on)
Supply current, shutdown mode
Switching frequency
Output transistor on resistance (total)
SHUTDOWN = 0.8 V
R_OSC = 120 kΩ, C_OSC = 220 pF
I_O = 1 A, T_J = 25°C
GAIN1 = 0.8 V, GAIN0 = 0.8 V
G
Gain
GAIN1 = 0.8 V, GAIN0 = 2 V
GAIN1 = 2 V, GAIN0 = 0.8 V
GAIN1 = 2 V, GAIN0 = 2 V
MIN TYP MAX UNIT
50
mV
100
-73
dB
1 µA
1 µA
8 15 mA
1.3
A
1
2 µA
250
kHz
0.2 0.3 0.7 Ω
10.9 12 12.8 dB
17.1 18 18.5 dB
23 23.6 24.3 dB
33.9 36 36.5 dB
OPERATING CHARACTERISTICS
PV_CC = V_CC = 12 V, T_A = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
Continuous output power at 10%
THD+N
P_O
Continuous output power at 1%
THD+N
THD + N
B_OM
k_SVR
SNR
Total harmonic distortion plus noise
Maximum output power bandwidth
Supply ripple rejection ratio
Signal-to-noise ratio
f = 1 kHz, R_L = 4 Ω
f = 1 kHz, R_L = 8 Ω
f = 1 kHz, R_L = 4 Ω
f = 1 kHz, R_L = 8 Ω
P_O = 10 W, R_L = 4 Ω, f = 20 Hz to 20 kHz
THD = 1%
f = 1 kHz, C_(BYPASS) = 1 µF
P_O = 10 W, R_L = 4 Ω
V_n
Noise output voltage
C_(BYPASS) = 1 µF, f = 20 Hz to 22 kHz,No weighting
filter used, Gain = 12 dB
C_(BYPASS) = 1 µF, f = 20 Hz to 22 kHz,A-weighted
filter, Gain = 12 dB
Z_i
Input impedance
See Table 1, page 21
MIN TYP MAX UNIT
12.8
9
W
10.3
7.2
0.2%
20
kHz
-70
dB
95
dB
86
µV(rms)
-81
dBV
66
µV(rms)
-84
dBV
>23
kΩ
4
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