Datasheet

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OPERATING CHARACTERISTICS
PARAMETER MEASUREMENT INFORMATION
Audio
Input
Bias
Control
V
DD
6
5
7
V
O
+
V
DD
1
2
4
BYPASS
IN–
V
DD
/2
C
I
R
I
C
S
C
B
R
F
SHUTDOWN
V
O
– 8
R
L = 8
Ω
GND
3 IN+
–
+
–
+
TPA721
SLOS231E – NOVEMBER 1998 – REVISED JUNE 2004
V
DD
= 5 V, T
A
= 25°C, R
L
= 8 Ω
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
P
O
Output power THD = 0.5%, See Figure 13 700
(1)
mW
THD + N Total harmonic distortion plus noise P
O
= 250 mW, f = 200 Hz to 4 kHz, See Figure 11 0.5%
B
OM
Maximum output power bandwidth Gain = 2, THD = 2%, See Figure 11 20 kHz
B
1
Unity-gain bandwidth Open loop, See Figure 16 1.4 MHz
k
SVR
Supply ripple rejection ratio f = 1 kHz, C
B
= 1 µF, See Figure 2 80 dB
V
n
Noise output voltage Gain = 1, C
B
= 0.1 µF, See Figure 20 17 µV(rms)
(1) The DGN package, properly mounted, can conduct 700-mW RMS power continuously. The D package can only conduct 350-mW RMS
power continuously with peaks to 700 mW.
Figure 1. BTL Mode Test Circuit
4