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| TDA8588J Datasheet, PDF (17/54 Pages) NXP Semiconductors – I2C-bus controlled 4 x 50 Watt power amplifier and multiple voltage regulator | |||
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Philips Semiconductors
I2C-bus controlled 4 Ã 50 Watt power
ampliï¬er and multiple voltage regulator
Product speciï¬cation
TDA8588J; TDA8588xJ
Table 6 Instruction byte IB3
BIT
D7
D6
D5
D4
D3
D2
D1
D0
DESCRIPTION
clip detection level
0 = 4 % detection level
1 = 1 % detection level
ampliï¬er channels 1 and 2 gain select
0 = 26 dB gain (normal mode)
1 = 20 dB gain (line driver mode)
ampliï¬er channels 3 and 4 gain select
0 = 26 dB gain (normal mode)
1 = 20 dB gain (line driver mode)
ampliï¬er thermal protection pre-warning
0 = warning at 145 °C
1 = warning at 122 °C
disable channel 1
0 = enable channel 1
1 = disable channel 1
disable channel 2
0 = enable channel 2
1 = disable channel 2
disable channel 3
0 = enable channel 3
1 = disable channel 3
disable channel 4
0 = enable channel 4
1 = disable channel 4
Table 7 Data byte DB1
BIT
D7
D6
D5
D4
D3
D2
D1
D0
DESCRIPTION
ampliï¬er thermal protection pre-warning
0 = no warning
1 = junction temperature above pre-warning
level
ampliï¬er maximum thermal protection
0 = junction temperature below 175 °C
1 = junction temperature above 175 °C
channel 4 DC load detection
0 = DC load detected
1 = no DC load detected
channel 4 AC load detection
0 = no AC load detected
1 = AC load detected
channel 4 load short-circuit
0 = normal load
1 = short-circuit load
channel 4 output offset
0 = no output offset
1 = output offset
channel 4 VP short-circuit
0 = no short-circuit to VP
1 = short-circuit to VP
channel 4 ground short-circuit
0 = no short-circuit to ground
1 = short-circuit to ground
2004 Feb 24
17
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