MAX13326 Maxim Integrated Products, MAX13326 Datasheet - Page 10
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MAX13326
Manufacturer Part Number
MAX13326
Description
Dual Automotive Audio Line Drivers
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX13326.pdf
(20 pages)
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Dual Automotive, Audio Line Drivers
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Table 2. Configuration Register Format
DIAG: Set DIAG to 1 to enable diagnostic mode. Write '0' to disable diagnostic mode.
ENABLE: Set ENABLE bit to 1 to enable the device. Write ‘0’ disables the device. Low on the SHDN pin overrides the
ENABLE bit.
MUTE: Set the MUTE bit to 1 to mute both the output channels. Output is low impedance when in mute. Low on the
MUTE pin input overrides the MUTE bit.
OLDL: Write 1 to the OLDL bit to initiate the open-load detection for the left channel. To run OLDL again, write ‘0’ and
‘1’ again.
OLDR: Write 1 to the OLDR bit to initiate the open-load detection for the right channel. To run OLDR again, write ‘0’
and ‘1’ again.
Table 3. Command Byte Register Format
RETRYR: The right-channel power amplifier switches off after a fault condition. Write ‘1’ to turn it back on after the fault
condition.
RETRYL: The left-channel power amplifier switches off after a fault condition. Write ‘1’ to turn on the left-channel power
amplifier after the fault condition.
Table 4. General Fault Register Format
TWARN: The TWARN bit is set to ‘1’ when the temperature warning threshold is reached.
TSHDN: The TSHDN is set to ‘1’ when the temperature shutdown threshold is reached.
DUMP: The DUMP bit is set to ‘1’ when the V
Set the appropriate mask bit in the GMASK register to detect the general faults. See Table 8.
10
General Fault
FUNCTION
Configuration
Command Byte
FUNCTION
Register
FUNCTION
_____________________________________________________________________________________
Register
Register
2
CODE (HEX)
C Control and Diagnostic
ADDRESS
CODE (HEX)
ADDRESS
0x02
CODE (HEX)
ADDRESS
0x00
0x01
D7
x
DIAG
D7
RETRYR
D7
TWARN
D6
ENABLE
DD
D6
voltage exceeds the overvoltage threshold.
TSHDN
RETRYL
D5
D6
MUTE
D5
REGISTER DATA
DUMP
REGISTER DATA
REGISTER DATA
D4
D5
x
D4
x
D3
D4
x
x
OLDL
D3
D3
x
D2
x
OLDR
D2
D2
x
Command Byte Register
D1
x
Configuration Register
D1
D1
x
x
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D0
x
D0
D0
General Faults
x
x
POR STATE
POR STATE
POR STATE
(HEX)
(HEX)
0x00
(HEX)
0x00
0x00