TDA7564BPD STMicroelectronics, TDA7564BPD Datasheet - Page 25

• Manufacturer Part Number: TDA7564BPD
• Description: IC AMP QUAD MULTIFUNC POWERSO36
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7564BPD

• Output Type: 4-Channel (Quad)
• Max Output Power X Channels @ Load: 75W x 4 @ 2 Ohm
• Voltage - Supply: 8 V ~ 18 V
• Features: I²C, Mute, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Surface Mount
• Package / Case: PowerSO-36 Exposed Top Pad
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 4-Channel Stereo
• Output Power (typ): 75x4@2OhmW
• Audio Amplifier Function: Speaker
• Input Offset Voltage: 100mV
• Single Supply Voltage (typ): 14V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Power Dissipation: 85W
• Rail/rail I/o Type: No
• Single Supply Voltage (min): 8V
• Single Supply Voltage (max): 18V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -55C to 150C
• Operating Temperature Classification: Military
• Mounting: Surface Mount
• Pin Count: 36
• Package Type: PowerSO SLUG UP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7564B
Table 8.
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Thermal warning 1 active (D7 = 1) T=155 °C
Diag. cycle not activated or not terminated (D6 = 0)
Diag. cycle terminated (D6 = 1)
Channel LF
Current detection IB2 (D7) = 0
Output peak current < 250 mA - Open load (D5 = 1)
Output peak current > 500 mA - Normal load (D5 = 0)
Channel LF
Turn-on diagnostic (D4 = 0)
Permanent diagnostic (D4 = 1)
Channel LF
Normal load (D3 = 0)
Short load (D3 = 1)
Channel LF
Turn-on diag.: No open load (D2 = 0)
Open load detection (D2 = 1)
Offset diag.: No output offset (D2 = 0)
Output offset detection (D2 = 1)
Channel LF
No short to Vcc (D1 = 0)
Short to Vcc (D1 = 1)
Channel LF
No short to GND (D1 = 0)
Short to GND (D1 = 1)
Table 7.
If R/W = 1, the TDA7564B sends 4 "Diagnostics Bytes" to μP: DB1, DB2, DB3 and DB4.
DB1
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Current detection threshold
High th (D7 = 0)
Low th (D7 =1)
0
Normal muting time (D5 = 0)
Fast muting time (D5 = 1)
Standby on - Amplifier not working - (D4 = 0)
Standby off - Amplifier working - (D4 = 1)
Power amplifier mode diagnostic (D3 = 0)
Line driver mode diagnostic (D3 = 1)
Current detection diagnostic enabled (D2 = 1)
Current detection diagnostic defeat (D2 = 0)
Right Channels
Power amplifier working in standard mode (D1 = 0)
Power amplifier working in high efficiency mode (D1 = 1)
Left Channels
Power amplifier working in standard mode (D0 = 0)
Power amplifier working in high efficiency mode (D0 = 1)
IB2
Doc ID 12734 Rev 3
Instruction decoding bit
Instruction decoding bit
Channel LF
Current detection IB2 (D7) = 1
Output peak current < 125 mA - Open load (D5 = 1)
Output peak current > 250 mA - Normal load (D5 = 0)
Software specifications
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