TDA7564BH STMicroelectronics, TDA7564BH Datasheet - Page 5

• Manufacturer Part Number: TDA7564BH
• Description: IC AMP QUAD MULTIFUNC FLEXIWATT2
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7564BH

• 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: Through Hole
• Package / Case: 25-Flexiwatt (bent and staggered leads)
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 4-Channel Stereo
• Output Power (typ): 75x4@2OhmW
• Audio Amplifier Function: Speaker
• Input Offset Voltage: 100@14.4VmV
• 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: Through Hole
• Pin Count: 25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7564B
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Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Flexiwatt25 pins connection diagram (top of view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
PowerSO36 (slug-up) pins connection diagram (top of view). . . . . . . . . . . . . . . . . . . . . . . . 7
Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Output power vs. supply voltage (4 W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Output power vs. supply voltage (2 W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Distortion vs. output power (4 W, STD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Distortion vs. output power (4 Ω, HI-EFF). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Distortion vs. output power (2 Ω, STD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Distortion vs. frequency (4 W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Distortion vs. frequency (2 W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Supply voltage rejection vs. freq. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Power dissipation and efficiency vs. output power (4 W, STD, SINE) . . . . . . . . . . . . . . . . 13
Power dissipation and efficiency vs. output power (4 Ω, Hi-eff, SINE) . . . . . . . . . . . . . . . . 13
Power dissipation vs. average output power (audio program simulation, 4 W) . . . . . . . . . 13
Power dissipation vs. average output power (audio program simulation, 2 W) . . . . . . . . . 13
Turn - on diagnostic: working principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
SVR and output behavior (case 1: without turn-on diagnostic). . . . . . . . . . . . . . . . . . . . . . 14
SVR and output pin behavior (case 2: with turn-on diagnostic) . . . . . . . . . . . . . . . . . . . . . 15
Short circuit detection thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Load detection thresholds - high gain setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Load detection threshold - low gain setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Restart timing without diagnostic enable (permanent) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Restart timing with diagnostic enable (permanent). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Current detection high: load impedance |Z| vs. output peak voltage . . . . . . . . . . . . . . . . . 18
Current detection low: load impedance |Z| vs. output peak voltage . . . . . . . . . . . . . . . . . . 18
Thermal foldback diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Data validity on the I2C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Timing diagram on the I2C bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Acknowledge on the I2C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Flexiwatt25 (horizontal) mechanical data and package dimensions. . . . . . . . . . . . . . . . . . 30
Flexiwatt25 (vertical) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . 31
PowerSO36 (slug up) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . 32
Doc ID 12734 Rev 3
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