CD8227GP PDF даташит
Спецификация CD8227GP изготовлена «SUM» и имеет функцию, называемую «LOW FREQUENCY POWER AMPLIFIER». |
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Детали детали
Номер произв | CD8227GP |
Описание | LOW FREQUENCY POWER AMPLIFIER |
Производители | SUM |
логотип |
8 Pages
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SUM
CD8227GP
LOW FREQUENCY POWER AMPLIFIER
GENERAL DESCRIPTION
CD8227GP is audio power IC with built-in
two Channels developed for portable radio
cassette tape recorder with power ON/OFF
switch. Thermal shut down protection
circuit is built in. Because of the parts
reduction and DIP (Dual in line package),
space merit is remarkable.
Outline Drawing
F E AT U R E S
z High Power
Pout=2.5W/CH(Typ.) :(Vcc=9V,RL=4 Ω,f=1kHz,THD=10%)
Pout=3.0W/CH(Typ.) :(Vcc=9V,RL=3 Ω,f=1kHz,THD=10%)
z Vo ltage Gain : Gv=45dB(Typ.) Rf=120 ,f=1kHz
Gv=56.5dB(Typ.) Rf=0 ,f=1kHz
z Low popping noise at power ON
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z Small Quiescent Current : ICCQ=21mA(Typ.) (Vcc=9V Vin=0)
z Ripple Rejection Ratio : R.R.=-52dB(Typ.)(Vcc=9V fripple=100Hz Rg=600
z Cross Talk : C.T.= -50dB(Typ.)(Vcc=9V f=1kHz Rg=600 )
z Output Noise Voltage : Vno=0.3mVrms(Typ.)(Vcc=9V
Rg=10k
BW=20Hz~20kHz)
z Stand-By Switch
z Soft Clip
z Built-in thermal shut down protection circuit
z Best for supply voltage 9V
z Supply voltage range : Vcc=5~12V
)
SUM
1/8
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SUM
CD8227GP
MAXIMUM RATINGS (Ta=25°C)
CHARACTERISTIC
SYMBOL
R AT I N G
Output Current (Peak/CH)
Power Dissipation*
Operating Temperature
IQ(peak)
PD
Topr
1.50
3.00
-25~75
Storage Temperature
Tstg
-55~150
* Value for mounting on PC board(Refer to PD-Ta curve)
UNIT
A
W
°C
°C
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified , Vcc=9V,f=1kHz, Rg=6 00Ω, RL=4 Ω,Ta=25 °C)
CHARACTERISTIC SYMBOL
Quiescent Current
Output Power
Total Harmonic Distortion
ICCQ
POUT(1)
POUT(2)
THD
Voltage Gain
Input Resistance
Output Noise Vo ltage
GV(1)
GV(2)
RIN
VNO
Ripple Rejection Ratio
R.R
Cross Talk
Input Offset Vo ltage
Stand-By Current
C.T
V6,V7
Istb
TEST CONDITION
VIN=0
THD=10%
THD=10%, RL=3
POUT=0.4W/CH
Rf=120
VOUT=0dBm
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Rf=0,VOUT=0dBm
-
Rg=10k ,
BW=20Hz~20kHz
Rg=600 ,
fripple =100Hz
Rg=600 ,
VOUT=0dBm,
-
SW1-OFF
MIN. TYP. MAX. UNIT
- 21 45 mA
2.0 2.5
- 3.0
-
-
W
- 0.2 1.0
%
43 45 47
- 56.5 -
- 30
-
dB
k
- 0.3 1.0 mVrms
- -52 -
dB
- -50 -
dB
- 30 60 mV
1A
TYPICAL DC VOLTAGE OF EACH TERMINAL (Vcc=9V,Ta=25°C)
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
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SUM
TEST CIRCUIT & BLOCK DIAGRAM
CD8227GP
* ( 1 ) T h i s I C c a n b e u s e d w i t h o u t c o u p l i n g c a p a c i t o rhttp://www.DataSheet4U.net/ ( C I N ) , I f v o l u m e s l i d e n o i s e o c c u r r e d b y
input offset voltage is undesirable, it needs to use the capacitor(CIN).
*(2) The condenser between the
pin and the GND(C11)is for reducing pop noise when the
power ON/OFF switch (SW1)is set to ON/OFF.
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.
Gv=20log((Rf+R1+R2)/(Rf+R1))
When Rf=0
Gv=56.5dB(Typ.)
When Rf=120Ω Gv=45dB(Typ.)
By increasing Rf , reduction of Gv is possible ,
However, since the feedback
Fig 1.
increase is liable to produce oscillation , it is recommended to use this at 40dB or
over.
3/8
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Номер в каталоге | Описание | Производители |
CD8227GP | 2.5W x 2 Dual Audio Power Amp | ETC |
CD8227GP | LOW FREQUENCY POWER AMPLIFIER | SUM |
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DataSheet26.com | 2020 | Контакты | Поиск |