ETC PJ2822M

PJ2822M
Dual Low-Voltage Power Amplifier
T
he PJ2822M is a monolithic integrated circuit in 8 lead
Minidip package.It is intended for use as dual audio
DIP-8
SOP-8
power amplifier in portable cassette player and radios.
FEATURES
z
Supply Voltage Down to 1.8V
z
Low Crossover Distorsion
z
Low Quiescent Current
z
Bridge or Stereo Configuration
ORDERING INFORMATION
Device
Operating Temperature
PJ2822MCD
PJ2822MCS
Pin : 1.Compensation
2.Voltage Feedbacl
3.Current Sense
4.RT/CT
Package
DIP-8
-20℃ ~ +85℃
5.Gnd
6.Output
7.Vcc
8.Vref
SOP-8
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Value
Unite
Supply Voltage
Peak Output Current
Total Power Dissipation at Tamb = 50℃
Tcase = 50℃
Storage and Junction Temperature
Vs
Io
Ptot
Tstg,Tj
16
1
1
1.4
-40 ~ +150
V
A
W
W
℃
Symbol
Value
Unite
Rthj-amb
Rthj-case
100
70
℃/W
℃/W
THERMAL DATA
Parameter
Thermal Resistance Junction-ambient
Thermal Resistance Junction-pin(4)
Max.
Max.
SCHEMATIC DIAGRAM
1-8
2002/01.ver.A
PJ2822M
Dual Low-Voltage Power Amplifier
ELECTRICAL CHARACTERISTICS (Vs=6V,Tamb=25℃, unless otherwise specified)
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
15
V
V
V
mA
Paramete
STEREO(test circuit of Figure 1)
Suppy Voltage
Quiescent Ouput Voltage
Vs
Vo
Quiescent Drain Current
Id
Input Bias Current
Outut Power (each channel)
(f =1KHz, d =10%)
Ib
Po
1.8
2.7
1.2
6
Vs = 3V
RL = 32Ω
Vs = 9V
Vs = 6V
Vs = 4.5V
Vs = 3V
Vs = 2V
Vs = 6V
Vs = 9V
Vs = 6V
Vs = 6V
Vs = 4.5V
Vs = 3V
Po = 40mW
Po = 75mW
Po = 150mW
RL = 16Ω
RL = 8Ω
RL = 4Ω
Distortion (f =1KHz)
Close Loop Voltage Gain
d
Gv
Channel Balance
△Gv
Input Resistance
Total Input Noise
Ri
θN
Supply Voltage Rejection
SVR
Channel Separation
Cs
RL = 32Ω
RL = 16Ω
RL = 8Ω
F =1KHz
90
15
170
300
450
36
100
300
120
60
20
5
220
1000
380
650
320
110
0.2
0.2
0.2
39
9
nA
mW
41
±1
F =1KHz
Rs = 10KΩ
100
B = Curve A
B =22Hz to 22KHz
F =100Hz, C1 = C2 = 100μF
24
F =1KHz
%
%
%
dB
dB
2
2.5
30
KΩ
μV
μV
dB
50
dB
BRIDGE(test circuit of Figure 2)
Supply Voltage
Vs
Quiescent Drain Current
Output Offset Voltage
(between the outputs)
Input Bias Current
Output Bias Current
Id
Vos
RL = ∞
RL = 8Ω
Ib
Po
RL = 32Ω
Output Power (f=1KHz,d=10%)
d
1.8
6
Vs = 9V
Vs = 6V
Vs = 4.5V
Vs = 3V
Vs = 2V
Vs = 9V
RL = 16Ω
Vs = 6V
Vs = 3V
RL = 8Ω
Vs = 6V
Vs = 4.5V
Vs = 3V
RL = 4Ω
Vs = 4.5V
Vs = 3V
Vs = 2V
Po =0.5W, RL = 8Ω, f =1KHz
320
50
900
200
V
9
+/-50
mA
mV
100
1000
400
200
65
8
2000
800
120
1350
700
220
1000
350
80
0.2
nA
mW
39
dB
KΩ
μV
μV
dB
KHz
Closed Loop Voltage Gain
Gv
F =1KHz
Input Resistance
Total Input Noise
Ri
eN
F =1KHz
Rs =10KΩ
Supply Voltage Rejection
SVR
F =100Hz
2.5
3
40
Power Bandwidth (-3dB)
B
RL = 8Ω, Po =1W
120
2-8
15
%
100
B =Curve A
B = 22Hz to 22KHz
2002/01.ver.A
PJ2822M
Dual Low-Voltage Power Amplifier
Figure 1. TEST CIRCUIT (Stereo)
Figure 2. TEST CIRCUIT (Bridge)
Figure 3. TYPICAL APPLICATION IN
PORTABLE PLAYERS
Figure 4. LOW COST APPLICATION IN
PORTABLE PLAYERS
(using only one 100μF output capacitor)
3-8
2002/01.ver.A
PJ2822M
Dual Low-Voltage Power Amplifier
Figure 5. PORTABLE RADIO CASSETTE PLAYERS
Type
TDA7220
TDA7211A
TEA1330
TDA7282
PJ2822M
Supply Voltage
1.5V to 6V
1.2V to 6V
3V to 6V
1.5V to 6V
1.8V to 6V
Figure 6. PORTABLE STEREO RADIO
Type
TDA7220
TDA7211A
TEA1330
PJ2822M
Supply Voltage
1.5V to 6V
1.2V to 6V
3V to 6V
1.8V to 6V
4-8
2002/01.ver.A
PJ2822M
Dual Low-Voltage Power Amplifier
Figure 7. APPLICATION IN PORTABLE RADIO RECEIVERS
Figure 8. 3V STEREO CASSETTE PLAYER WITH MOTOR SPEED CONTROL
5-8
2002/01.ver.A
PJ2822M
Dual Low-Voltage Power Amplifier
Figure 9.Quiescent Current versus Supply Voltage
Figure 10.Supply Voltage Rejection versus Frequency
Figure 11.Output Power versus Supply Voltage
(THD=10%,f=1KHz Stereo)
Figure 12.Distorsion versus Output Power (Stereo)
Figure 13.Distorsion versus Output Power (Stereo)
Figure 14.Output Power versus Supply Voltage (Bridge)
6-8
2002/01.ver.A
PJ2822M
Dual Low-Voltage Power Amplifier
Figure 15.Distorsion versus Output Power (Bridge)
Figure 16.Total Power Dissipation versus Output Power
(Bridge)
Figure 17.Total Power Dissipation versus Output
Power(Bridge)
Figure 18.Total Power Dissipation versus Output
Power(Bridge)
Figure 19.Total Power Dissipation versus Output
Power(Bridge)
7-8
2002/01.ver.A
PJ2822M
Dual Low-Voltage Power Amplifier
DIM
A
B
C
D
G
J
K
L
M
DIM
A
B
C
D
F
G
K
M
P
R
8-8
MILLIMETERS
MIN
MAX
9.07
9.32
6.22
6.48
3.18
4.43
0.35
0.55
2.54BSC
0.29
0.31
3.25
3.35
7.75
8.00
10°
INCHES
MIN
MAX
0.357
0.367
0.245
0.255
0.125
0.135
0.019
0.020
0.10BSC
0.011
0.012
0.128
0.132
0.305
0.315
10°
MILLIMETERS
MIN
MAX
4.80
5.00
3.80
4.00
1.35
1.75
0.35
0.49
0.40
1.25
1.27BSC
0.10
0.25
0°
7°
5.80
6.20
0.25
0.50
INCHES
MIN
MAX
0.189
0.196
0.150
0.157
0.054
0.068
0.014
0.019
0.016
0.049
0.05BSC
0.004
0.009
0°
7°
0.229
0.244
0.010
0.019
2002/01.ver.A