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CDB42L55 Datasheet(PDF) 8 Page - Cirrus Logic |
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CDB42L55 Datasheet(HTML) 8 Page - Cirrus Logic |
8 / 73 page 8 DS773F1 CS42L55 1. PIN DESCRIPTIONS Pin Name # Pin Description SDIN 1 Serial Audio Data Input (Input) - Input for two’s complement serial audio data. LRCK 2 Left Right Clock (Input/Output) - Determines which channel, Left or Right, is currently active on the serial audio data lines. SDA 3 Serial Control Data (Input/Output) - Serial data for the I²C serial control port. SCL 4 Serial Control Port Clock (Input) - Serial clock for the I²C serial control port. VCP 5 Step-Down Charge Pump Power (Input) - Power supply for the step-down charge pump. FLYP 6 Charge Pump Cap Positive Node (Output) - Positive node for the step-down charge pump’s flying capacitor. +VHPFILT 7 Step-Down Charge Pump Filter Connection (Output) - Power supply from the step-down charge pump that provides the positive rail for the headphone and line amplifiers FLYC 8 Charge Pump Cap Common Node (Output) - Common positive node for the step-down and inverting charge pumps’ flying capacitors. FLYN 9 Charge Pump Cap Negative Node (Output) - Negative node for the inverting charge pump’s flying capacitor. -VHPFILT 10 Inverting Charge Pump Filter Connection (Output) - Power supply from the inverting charge pump that provides the negative rail for the headphone and line amplifiers. HPOUTA HPOUTB 11 13 Headphone Audio Output (Output) - The full-scale output level is specified in the HP Output Charac- teristics specification table HPREF 12 Pseudo Diff. Headphone Output Reference (Input) - Ground reference for the headphone amplifiers LINEOUTA LINEOUTB 14 16 Line Audio Output (Output) - The full-scale output level is specified in the Line Output Characteristics specification table LINEREF 15 Pseudo Diff. Line Output Reference (Input) - Ground reference for the line amplifiers. 8 7 6 3 1 9 2 4 5 10 11 12 13 14 15 18 17 16 19 26 20 21 22 23 24 25 27 35 28 29 30 31 32 33 34 36 LRCK SDA SCL FLYP +VHPFILT AIN2A AIN2B AFILTA AFILTB FILT+ VQ AIN2REF VCP SDIN FLYN AIN1A AIN1REF FLYC Top-Down (Through Package) View GND/Thermal Pad |
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Similar Description - CDB42L55 |
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