TA8229 Unisonic Technologies, TA8229 Datasheet - Page 3

• Manufacturer Part Number: TA8229
• Description: Low Frequency Power Amplifier - Unisonic Technologies
• Manufacturer: Unisonic Technologies

UTC TA8229
ELECTRICAL CHARACTERISTICS
(V
APPLICATION INFORMATION AND APPLICATION METHOD
1. Adjustment of voltage gain
it is recommended to use this at 40dB or over.
2. Thermal shut-down circuit
temperature rise when the heat radiation is insufficient.
interrupted to prevent the destruction of IC.
UTC
Quiescent Current
Output Power
Total Harmonic Distortion
Voltage Gain
Input Resistance
Output Noise Voltage
Ripple Rejection Ratio
Cross Talk
Input Offset Voltage
Stand-by Current
CC
The voltage gain G
By increasing R
The thermal shut-down circuit is built in for the purpose of preventing the destruction of IC due to the abnormal
The operation temperature is set at radiation Fin temperature 175:(Typ.). At this temperature or over the bias is
=9V
G
When R
When R
PARAMETER
V
,
R
= 20 log
L
=4 , R
f
f
= 0 , G
= 120 , G
f
, reduction of G
g
=600 , f=1kHz, T
R
V
f
UNISONIC TECHNOLOGIES CO., LTD.
R
is obtained as follows by R1, R2 and R
+ R1 + R2
f
V
+ R1
= 56.5dB (Typ.)
V
= 45dB (Typ.)
SYMBOL
V
P
P
G
G
11
THD
R.R.
I
C.T.
V
I
CCQ
out (1)
out (2)
R
V
OFF
+
-
V (1)
V (2)
, V
no
is possible. However, since the feedback increase is liable to produce oscillation,
LINEAR INTEGRATED CIRCUIT
IN
47µF
a
12
C
INPUT
=25:, R
R
NF
f
V
THD = 10%
THD = 10%, V
P
R
R
R
R
R
V
SW1
11/12
10/13
in
out
out
f
f
g
g
g
= 120 , V
= 0, V
= 10k , BW = 20Hz ~ 20kHz
= 600 , f
= 600 , amp1
= 0
f
= 0.4W/ch
= 0.775V
=120 , unless otherwise specified.)
45
R1
TEST CONDITIONS
out
OFF
= 0.775V
ripple
+
out
-
rms
CC
Fig.1
AMP
= 0.775V
30k
(0dBm)
= 100kHz
R2
= 12V
f
in Fig.1.
rms
2
(0dBm)
rms
(0dBm)
3/5
OUTPUT
MIN
2.0
43
TYP
56.5
2.5
4.6
0.2
0.3
-52
-50
21
45
30
30
1
MAX
1.0
1.0
45
47
60
QW-R107-028,A
mV
UNIT
mA
mV
k
µA
dB
dB
dB
W
%
rms
3