CS42L51-CNZ Cirrus Logic Inc, CS42L51-CNZ Datasheet - Page 77

• Manufacturer Part Number: CS42L51-CNZ
• Description: IC CODEC STEREO W/HDPN AMP 32QFN
• Manufacturer: Cirrus Logic Inc
• Type: Stereo Audior

Specifications of CS42L51-CNZ

• Package / Case: 32-QFP
• Data Interface: PCM Audio Interface
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 98 / 98
• Voltage - Supply, Analog: 1.8V, 2.5V
• Voltage - Supply, Digital: 1.8V, 2.5V
• Operating Temperature: -10°C ~ 70°C
• Mounting Type: Surface Mount
• Number Of Adc Inputs: 6
• Number Of Dac Outputs: 2
• Conversion Rate: 96 KSPS
• Interface Type: Serial (2-Wire, 3-Wire, I2C, SPI)
• Resolution: 24 bit
• Operating Supply Voltage: 1.8 V / 2.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 10 C
• Number Of Channels: 2 ADC/2 DAC
• Thd Plus Noise: - 88 dB ADC / - 86 dB DAC
• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1005 - BOARD EVAL FOR CS42L51 CODEC
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1045

CS42L51
7.2
Headphone Amplifier Efficiency
The architecture of the headphone amplifier is that of typical class AB amplifiers. Test conditions (unless
otherwise specified): Input test signal is a 997 Hz sine wave; Power Consumption Mode 6 - Stereo Playback
w/16 Ω load. HP_GAIN = 1.1430. Best efficiency is realized when the amplifier outputs maximum power.
VA_HP = VA = 1.8 V
Figure 31. Power Dissipation vs. Output Power into Stereo 16 Ω
VA_HP = VA = 1.8 V
Figure 32. Power Dissipation vs. Output Power into Stereo 16 Ω (Log Detail)
DS679F1
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