TB2912HQ Toshiba, TB2912HQ Datasheet - Page 17

• Manufacturer Part Number: TB2912HQ
• Manufacturer: Toshiba

Specifications of TB2912HQ

• No. Of Channels: 4
• Package: HZIP 25-P-1.00F
• Recommended Vcc (v): 13.2
• Rl=2 Ohm: 70W x 4
• Rl=4 Ohm: 43W x 4
• Rl=8 Ohm: -
• Features/built-in Functions: 4 BTL channels, standby switch, mute, BiCD process, I2C self-diagnosis, tweeter diagnostics, low standby current
• Operating Voltage (v): 9 to 18

- If R/W = 0, the Up Sends Two Instruction Bytes, IB1 and IB2:
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Bit
D7
D6
D5
D4
D3
D2
D1
D0
IB1 Instruction Byte:
IB2 Instruction Byte:
Turn-on diag timing
Normal (D7 = 0)
Repeat (D7 = 1)
Diagnostic cycle enable (D6 = 1)
Diagnostic cycle defeat (D6 = 0)
Offset Detection enable (D5 = 1)
Offset Detection defeat (D5 = 0)
Front Channel
Gain = 26dB (D4 = 0)
Gain = 12dB (D4 = 1)
Rear Channel
Gain = 26dB (D3 = 0)
Gain = 12dB (D3 = 1)
Mute front channels (D2 = 0)
Unmute front channels (D2 = 1)
Mute rear channels (D1 = 0)
Unmute rear channels (D1 = 1)
CD 1% (D0 = 0)
CD 10% (D0 = 1)
Current Det 500 mA (max) (D7 = 0)
Current Det 300 mA (max) (D7 = 1)
Fast mute on (D6 = 1) off (D6 = 0)
Pin4 Clip Detection (D5 = 0)
Pin4 Offset Detection (D5 = 1)
Std-by on-PA not working (D4 = 0)
Std-by off-PA working (D4 = 1)
Amplifier mode diagnostic (D3 = 0)
Line driver mode diagnostic (D3 = 1)
Current Det. diag enabled (D2 = 1)
Current Det. diag defeat (D2 = 0)
Front Channels
Work standard mode (D1 = 0)
Work Low Iccq mode (D1 = 1)
Rear Channels
Work standard mode (D1 = 0)
Work Low Iccq mode (D1 = 1)
17
TB2912HQ
2006-04-28