No. 6350-2/8

LA6557H

3.0

2.5

2.0

1.5

1.0

0.82

1.04

0.43

0.5

–40

–20

0

20406080

100

0

Independent IC

Ambient temperature, Ta —

°C

–30

Mounted on the specified printed circuit board

(76.1

Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

No-load current drain: on

30

50

mA

No-load current drain: off

10

20

mA

1

V

[BTL Amplifier Block]

Output offset voltage

The voltage difference between outputs for the

–50

+50

mV

BTL amplifiers

Input voltage range

The input voltage range

0

V

Output voltage

45

V

Closed-circuit voltage gain

Gain from input to output

12

dB

Slew rate

SR

For independent amplifiers. Twice when measured

0.5

V/µs

Mute on voltage

0.5

V

Mute off voltage

2V

[H Bridge Block]

Output voltage

6V

Low-level input voltage

1V

High-level input voltage

2

V

[Regulator Block]

Output voltage

Vreg

4.75

5

5.25

V

Output load regulation

–50

0

10

mV

Supply voltage regulation

–15

21

60

mV

2. The voltage across an 8

Ω load. With the output saturated.

3. MUTE: When the MUTE pin is high, the outputs will be on, and when low, off (high impedance)

4. These values are design guarantee values, and are not tested.