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TPA721 Datasheet(PDF) 4 Page - Texas Instruments

Part No. TPA721
Description  700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
Download  28 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPA721 Datasheet(HTML) 4 Page - Texas Instruments

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OPERATING CHARACTERISTICS
PARAMETER MEASUREMENT INFORMATION
Audio
Input
Bias
Control
VDD
6
5
7
VO+
VDD
1
2
4
BYPASS
IN–
VDD/2
CI
RI
CS
CB
RF
SHUTDOWN
VO– 8
RL = 8 Ω
GND
3
IN+
+
+
TPA721
SLOS231E – NOVEMBER 1998 – REVISED JUNE 2004
V
DD = 5 V, TA = 25°C, RL = 8 Ω
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power
THD = 0.5%,
See Figure 13
700(1)
mW
THD + N
Total harmonic distortion plus noise
PO = 250 mW,
f = 200 Hz to 4 kHz, See Figure 11
0.5%
BOM
Maximum output power bandwidth
Gain = 2,
THD = 2%, See Figure 11
20
kHz
B1
Unity-gain bandwidth
Open loop,
See Figure 16
1.4
MHz
kSVR
Supply ripple rejection ratio
f = 1 kHz,
CB = 1 µF, See Figure 2
80
dB
Vn
Noise output voltage
Gain = 1,
CB = 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


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