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TA8227APG-S20-R Folha de dados(PDF) 3 Page - Unisonic Technologies

Nome de Peças TA8227APG-S20-R
Descrição Electrónicos  LOW FREQUENCY POWER AMPLIFIER
PDF  9 Pages
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Fabricante Electrônico  UTC [Unisonic Technologies]
Página de início  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

TA8227APG-S20-R Folha de dados(HTML) 3 Page - Unisonic Technologies

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TA8227AP
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
3 of 9
www.unisonic.com.tw
QW-R107-021.F
ABSOLUTE MAXIMUN RATINGS (TA=25C, unless otherwise specified)
PARAMETER
SYMBOL
VALUE
UNIT
Supply Voltage
VCC
20
V
Output Current (peak / CH)
IO(PEAK)
2.5
A
Power Dissipation
PD
4.0
W
Operating Temperature
TOPR
-25~+75
C
Storage Temperature
TSTG
-55~+150
C
ELECTRICAL CHARACTERISTICS
(TA=25C, VCC=9V, RL=4Ω, RG=600Ω, f=1kHz, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Quiescent Current
ICCQ
VIN=0
21
45
mA
Output Power
POUT(1)
POUT(2)
THD=10%
THD=10%, RL=3Ω
2.0
2.5
3.0
W
Total Harmonic Distortion
THD
POUT=0.4W/CH
0.2
1.0
%
Voltage Gain
Gv1
Rf=120Ω,VOUT=0.775Vrms (0 dBm)
43
45
47
dB
Gv2
Rf=0, VOUT=0.775Vrms (0 dBm)
56.5
dB
Input Impedance
RIN
30
kΩ
Output Noise Voltage
eN
Rg=10kΩ,BW=20Hz ~20kHz
0.3
1.0
mVrms
Ripple Rejection Ratio
R.R.
Rg=600Ω, fripple=100Hz
-52
dB
Cross Talk
C.T
Rg=600Ω,VOUT=0.775Vrms (0 dBm)
-50
dB
Input Offset Voltage
V6, V7
30
60
mV
Standby Current
1stb
Sw1:OFF
1
50
μA
TYP. DC VOLTAGE OF EACH TERMINAL (VCC=9V, TA=25C, unless otherwise specified)
TERMINAL NO.
1
2
3
4
5
6
7
8
9
10
11
12
DC VOLTAGE (V)
VCC
4.5
8.7
GND
0.7
0.03
0.03
0.7
5.0
8.7
4.5
VCC
APPLICATION INFORMATION AND APPLICATION METHOD
1. Adjustment of voltage gain
The voltage gain Gv is obtained as follows by R1, R2 and Rf in Fig.1
1
2
1
log
20
R
R
R
R
R
G
f
f
V
When Rf = 0Ω
Gv=56.5 dB (Typ.)
When Rf = 120Ω
Gv=45 dB (Typ.)
By increasing Rf, reduction of Gv is possible. However, since the feedback increase is liable to produce oscillation,
it is recommended to use this at 40dB or over.
R2
30kΩ
-
+
Ch-2
R1
45Ω
CNF
47μF
Rf
INPUT
OUTPUT
Fig.1
6/7
(10/11)
5/8
(9/12)
2/11
(2/19)
( ): For SOP-20 Package



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