LA4628

No.6632-2/8

Operating Conditions at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Recommended supply voltage

VCC

13.5

V

Recommended load resistance range

RL op

4 to 8

Ω

Allowable operating supply voltage range

VCC op

9 to 20

V

Note : With VCC, RL, and the output level in ranges such that the Pd max for the heat sink used is not exceeded.

Electrical Characteristics at Ta = 25

°C, VCC = 13.5V, RL = 4Ω, f = 1kHz, Rg = 600Ω

Ratings

Parameter

Symbol

Conditions

min

typ

max

Unit

Quiescent current

ICCO

With Rg = 0 and RL open.

70

130

250

mA

Standby mode current drain

Ist

Standby mode (amplifier off), with no power

supply capacitor.

10

60

µA

Voltage gain

VG

VO = 0dBm

38

40

42

dB

Total harmonic distortion

THD

PO = 1W, Filter = FLAT

0.06

0.2

%

PO1

VCC = 13.5V, THD = 10%, RL = 4Ω

16

20

W

Output power

PO2

VCC = 16.5V, THD = 10%, RL = 4Ω

30

W

Output offset voltage

VN offset

Rg = 0

-300

+300

mV

Output noise voltage

VNO

Rg = 0, BPF = 20Hz to 20kHz

0.1

0.5

mV

Ripple rejection ratio

SVRR

Rg = 0, VR = 0dBm, fR = 100Hz

40

50

dB

Channel separation

CHsep

Rg = 10k

Ω, VO = 0dBm

50

60

dB

Input resistance

Ri

21

30

39

K

Ω

Standby pin applied voltage

VST

Amplifier on

(applied through an external 10k

Ω resistor)

2.5

VCC

V

Package Dimensions

unit : mm (typ)

3113B

0

Pd max -- Ta

-20

35

25

30

15

20

10

5

20

0

40

60

80

100

120

140

160

θf = 3˚C/W

θf = 4˚C/W

θf = 7˚C/W

θjc = 2˚C/W

Νο Fin

θf = 10˚C/W

32.5

20.83

13.9

10.4

3.1

Infinite heat sink

Ambient temperature, Ta -- ˚C

AI heat sink Mounting

torque 39N cm Flat

washer Silicone grease

applied