PJ2822MCS [ETC]

Dual Low-Voltage Power Amplifier; 双路低电压功率放大器


型号：	PJ2822MCS
厂家：	ETC
描述：	Dual Low-Voltage Power Amplifier 双路低电压功率放大器商用集成电路放大器功率放大器光电二极管可编程只读存储器
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PJ2822M

Dual Low-Voltage Power Amplifier

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

Pin : 1.Compensation

5.Gnd

2.Voltage Feedbacl 6.Output

Device

Operating Temperature

Package

3.Current Sense

4.RT/CT

7.Vcc

8.Vref

PJ2822MCD

PJ2822MCS

DIP-8

SOP-8

-20℃ ~ +85℃

ABSOLUTE MAXIMUM RATINGS

Parameter

Supply Voltage

Symbol

Value

Unite

Peak Output Current

Total Power Dissipation at Tamb = 50℃

Tcase = 50℃

Ptot

1.4

-40 ~ +150

℃

Storage and Junction Temperature

Tstg,Tj

THERMAL DATA

Parameter

Thermal Resistance Junction-ambient

Thermal Resistance Junction-pin(4)

Symbol

Rthj-amb

Rthj-case

Value

100

Unite

℃/W

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

Paramete

STEREO(test circuit of Figure 1)

Suppy Voltage

1.8

Quiescent Ouput Voltage

2.7

1.2

Vs = 3V

Quiescent Drain Current

Input Bias Current

100

300

120

Outut Power (each channel)

R_L= 32Ω

Vs = 9V

(f =1KHz, d =10%)

Vs = 6V

Vs = 4.5V

Vs = 3V

Vs = 2V

R_L= 16Ω

R_L= 8Ω

Vs = 6V

170

220

1000

380

650

320

110

0.2

Vs = 9V

Vs = 6V

300

450

R_L= 4Ω

Vs = 6V

Vs = 4.5V

Vs = 3V

Distortion (f =1KHz)

R_L= 32Ω

R_L= 16Ω

R_L= 8Ω

Po = 40mW

Po = 75mW

Po = 150mW

Close Loop Voltage Gain

Channel Balance

△Gv

F =1KHz

±1

Input Resistance

Total Input Noise

θ_N

F =1KHz

Rs = 10KΩ B = Curve A

B =22Hz to 22KHz

100

KΩ

μV

2.5

Supply Voltage Rejection

Channel Separation

SVR

F =100Hz, C1 = C2 = 100μF

F =1KHz

BRIDGE(test circuit of Figure 2)

Supply Voltage

1.8

Quiescent Drain Current

Output Offset Voltage

(between the outputs)

Vos

R_L= ∞

R_L= 8Ω

+/-50

Input Bias Current

Output Bias Current

100

1000

400

200

R_L= 32Ω

Vs = 9V

Vs = 6V

Vs = 4.5V

Vs = 3V

Vs = 2V

Vs = 9V

Vs = 6V

Vs = 3V

Vs = 6V

Vs = 4.5V

Vs = 3V

Vs = 4.5V

Vs = 3V

Vs = 2V

320

R_L= 16Ω

R_L= 8Ω

R_L= 4Ω

2000

800

120

1350

700

220

1000

350

900

200

Output Power (f=1KHz,d=10%)

Closed Loop Voltage Gain

Po =0.5W, R_L= 8Ω, f =1KHz

F =1KHz

0.2

Input Resistance

Total Input Noise

e_N

F =1KHz

100

KΩ

μV

Rs =10KΩ B =Curve A

2.5

B = 22Hz to 22KHz

Supply Voltage Rejection

Power Bandwidth (-3dB)

SVR

F =100Hz

R_L= 8Ω, Po =1W

120

KHz

2-8

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

Supply Voltage

1.5V to 6V

1.2V to 6V

3V to 6V

TDA7220

TDA7211A

TEA1330

TDA7282

PJ2822M

1.5V to 6V

1.8V to 6V

Figure 6. PORTABLE STEREO RADIO

Type

Supply Voltage

1.5V to 6V

1.2V to 6V

3V to 6V

TDA7220

TDA7211A

TEA1330

PJ2822M

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

Figure 12.Distorsion versus Output Power (Stereo)

(THD=10%,f=1KHz 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

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

MILLIMETERS

INCHES

MIN

DIM

MIN

9.07

6.22

3.18

0.35

MAX

9.32

6.48

4.43

0.55

MAX

0.367

0.255

0.135

0.020

0.357

0.245

0.125

0.019

2.54BSC

0.10BSC

0.29

3.25

7.75

0.31

3.35

8.00

10°

0.011

0.128

0.305

0.012

0.132

0.315

10°

MILLIMETERS

INCHES

DIM

MIN

4.80

3.80

1.35

0.35

0.40

MAX

5.00

4.00

1.75

0.49

1.25

MIN

0.189

0.150

0.054

0.014

0.016

MAX

0.196

0.157

0.068

0.019

0.049

1.27BSC

0.05BSC

0.10

0°

0.25

7°

0.004

0°

0.009

7°

5.80

0.25

6.20

0.50

0.229

0.010

0.244

0.019

8-8

2002/01.ver.A

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