MAX13326 Maxim Integrated Products, MAX13326 Datasheet - Page 11
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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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Table 5. Left-Channel Fault Register Format
SVDDL: The SVDDL bit is set to ‘1’ when a short to V
SGNDL: The SGNDL bit is set to ‘1’ when a short to GND is detected on the left channel.
LIMITL: The LIMITL bit is set to ‘1’ when the current-limit threshold is tripped for left output.
OFFSETL: The OFFSETL bit is set to ‘1’ when excessive offset is detected on the left-channel output.
OPENL: The OPENL bit is set to ‘1’ when an open load is detected on the left channel.
Set the appropriate mask bit in the LMASK register to detect the faults on the left channel. See Table 9.
When any bit of the LFAULT register is high, the FLAG output is low.
Table 6. Right-Channel Fault Register Format
SVDDR: The SVDDR bit is set to ‘1’ when a short to V
SGNDR: The SGNDR bit is set to ‘1’ when a short to GND is detected on the right channel.
LIMITR: The LIMITR bit is set to ‘1’ when the current-limit threshold is tripped for right output.
OFFSETR: The OFFSETR bit is set to ‘1’ when excessive offset is detected on the right-channel output.
OPENR: The OPENR bit is set to ‘1’ when an open load is detected on the right channel.
Set the appropriate mask bit in the RMASK register to detect the faults on the right channel. See Table 10.
When any bit of the RFAULT register is high, the FLAG output is pulled low.
Table 7. Flag Register Format
FLAG: FLAG bit is set to ‘1’ when the FLAG output is logic-low. The FLAG bit allows to quickly access the status of the
device without using the FLAG output and without having to read all the fault registers.
Fault Register
Right-Channel
FUNCTION
Fault Register
Left-Channel
FUNCTION
FUNCTION
Register
FLAG
ADDRESS
ADDRESS
______________________________________________________________________________________
ADDRESS
CODE
(HEX)
0x05
CODE
(HEX)
CODE
0x03
(HEX)
0x04
Dual Automotive, Audio Line Drivers
FLAG
SVDDL
SVDDR
D7
D7
D7
with I
LHIGHZ
SGNDR
SGNDL
D6
D6
D6
RHIGHZ
LIMITL
LIMITR
D5
DD
2
D5
DD
D5
C Control and Diagnostic
is detected on the left channel.
is detected on the right channel.
REGISTER DATA
REGISTER DATA
REGISTER DATA
OFFSETL
D4
D4
x
x
D4
OFFSETR
OFFSETL
D3
D3
OFFSETR
D3
OPENL
OPENR
D2
D2
ID2
D2
Right-Channel Faults
D1
ID1
D1
D1
x
x
Left-Channel Faults
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D0
ID0
D0
D0
x
FLAG Register
x
POR STATE
POR STATE
POR STATE
0x02/0x03
(HEX)
(HEX)
(HEX)
0x00
0x00
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