CS42L51-DNZR Cirrus Logic Inc, CS42L51-DNZR Datasheet - Page 77
CS42L51-DNZR
Manufacturer Part Number
CS42L51-DNZR
Description
IC LV Stereo Codec F/Digital Audio Apps
Manufacturer
Cirrus Logic Inc
Type
Stereo Audior
Datasheet
1.CS42L51-CNZ.pdf
(88 pages)
Specifications of CS42L51-DNZR
Data Interface
Serial
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
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-QFN
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
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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
77
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