Part Name
TDA7901
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STMicroelectronics
TDA7901 Datasheet - STMicroelectronics
STMicroelectronics
Description
The TDA7901 is a single-chip quad-bridge amplifier in advanced BCD technology integrating: a full D/A converter, digital input for direct connection to I2S (or TDM) and powerful MOSFET output stages.
Features
• AEC-Q100 qualification ongoing
• 24-bit resolution
• High Resolution Bandwidth support:
– Up to 40 kHz (I2S 96 kHz) with attenuation [0 dB, -2 dB]
– Up to 80 kHz (I2S 192 kHz) with attenuation [0 dB, -2 dB]
• 117 dB dynamic range (A-weighted)
• Real-time load current monitoring
• Voltage monitoring feature on I2C
• High Efficiency SB-I (SB-Improved) and Class-G operation
• 1 Ω driving capability
• High output power capability:
– 4 x 27 W 4Ω@ 14.4 V, 1 kHz, THD = 10 %
– 4 x 47 W 2Ω@ 14.4 V, 1 kHz, THD = 10 %
• Flexible mode control:
– Full I2C bus driving (1.8 V/3.3 V) with eight addresses selectable
– Independent front/rear play/mute
– Selectable digital gains
– Very low noise
– Digital diagnostic with DC and AC load Detections
– Digital diagnostic with OL and OD in play
– Current Offset Detection
• EMI compliance evaluated following normative CISPR25
• Start-stop compatibility (operation down to 4.5 V)
• Sample rates: 44.1 kHz, 48 kHz, 96 kHz, 192 kHz
• Flexible serial data port (1.8 V/3.3 V):
– I2S standard, TDM 4Ch, TDM 8Ch, TDM 16Ch
• Output Voltage Offset Detector
• Independent front/rear clipping detector
• Programmable diagnostic pin
• CMOS compatible enable pin
• Thermal protection
• Pop free in mute to play transitions and vice versa
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