TDA7575B STMicroelectronics, TDA7575B Datasheet - Page 20

• Manufacturer Part Number: TDA7575B
• Description: IC AMP DUAL BRIDGE FLEXIWATT27
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7575B

• Output Type: 1-Channel (Mono) or 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 150W x 1 @ 1 Ohm; 75W x 2 @ 2 Ohm
• Voltage - Supply: 8 V ~ 18 V
• Features: Differential Inputs, I²C, Mute, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Through Hole
• Package / Case: 27-Flexiwatt (bent and staggered leads)
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono/2-Channel Stereo
• Output Power (typ): 150x1@1Ohm/75x2@2OhmW
• Audio Amplifier Function: Speaker
• Input Offset Voltage: 45@14.4VmV
• Total Harmonic Distortion: 0.02@4Ohm@30W%
• Single Supply Voltage (typ): 9/12/15V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Power Dissipation: 86W
• 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: 27
• Package Type: FLEXIWATT(Vertical)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Software specifications
Table 8.
20/32
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Thermal warming (if Tchip ≥ 150°C, D7 = 1)
Diag. cycle not activated or not terminated (D6 = 0)
Diag. cycle terminated (D6 = 1)
Channel 1
current detection IB2 (D0) = 0
Output peak current < 250 mA - Open load (D5 = 1)
Output peak current > 500 mA - Normal load (D5 = 0)
Channel 1
Turn-on diagnostic (D4 = 0)
Permanent diagnostic (D4 = 1)
Channel 1
Normal load (D3 = 0)
Short load (D3 = 1)
Channel 1
Turn-on diag.: No open load (D2 = 0)
Open load detection (D2 = 1)
Offset diag.: No output offset (D2 = 0)
Channel 1
No short to V
Short to V
Channel 1
No short to GND (D1 = 0)
Short to GND (D1 = 1)
Output offset detection (D2 = 1)
Table 7.
If R/W = 1, the TDA7575B sends 2 "Diagnostics Bytes" to μP: DB1 and DB2.
DB1
cc
Bit
D7
D6
D5
D4
D3
D2
D1
D0
(D1 = 1)
cc
(D1 = 0)
IB2
0
0
0
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)
Power amplifier working in standard mode (D1 = 0)
Power amplifier working in high efficiency mode (D1 = 1)
Current detection threshold high (D7 =0)
Current detection threshold low (D7 =1)
Doc ID 14103 Rev 2
Instruction decoding bit
Instruction decoding bit
Channel LF
current detection IB2 (D0) = 1
Output peak current < 125 mA - Open load (D5 = 1)
Output peak current > 250 mA - Normal load (D5 = 0)
TDA7575B