la6560 Sanyo Semiconductor Corporation, la6560 Datasheet - Page 7

• Manufacturer Part Number: la6560
• Description: Btl 4ch, H-bridge 1ch
• Manufacturer: Sanyo Semiconductor Corporation

Truth Table (loading (H bridge) section)
*1
*2
Relation of MUTE and Power (V CC *)
V IN 1 (VREF)-SW (CH1 input AMP selection and internal/external VREF selection function)
(Relation between input AMP (CH1 only) and VREF)
On MUTE
V IN 1_SW
FWD
MUTE
At brake, the SINK side transistor is ON (short brake).
VLO+ and VLO- are approximately on the GND level.
The output has a high impedance.
Internal reference voltage
H
L
H
H
L
L
MUTE
(2.5V (TYP))
V IN 1-A
REV
H
H
L
L
BTLAMP output
Input AMP (CH1) state
V IN 1-A (AMP-A)
V IN 1-B (AMP-B)
CH5 (H bridge)
0.5V
CH1(BTL)
CH2(BTL)
CH3(BTL)
CH4(BTL)
VLO+
OFF
H
L
L
OFF
ON
VLO-
OFF
H
L
L
2V
VREF-OUT
External reference voltage
V CC 1
V CC 2
LA6560
V IN 1-B
Internal VREF (2.5V : TYP)
VREF (V IN 1)-SW
(Short) brake *2
External VREF
Loading output
VREF state
Reversed
Forward
OFF *1
VREF-OUT operates in an interlock with MUTE.
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