CS42L51-DNZ Cirrus Logic Inc, CS42L51-DNZ Datasheet - Page 11

• Manufacturer Part Number: CS42L51-DNZ
• Description: Automotive Portable Stereo Codec
• Manufacturer: Cirrus Logic Inc
• Type: Stereo Audior

Specifications of CS42L51-DNZ

• 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, Lead free / RoHS Compliant
• Other names: 598-1627

DS679F1
+1.8V, 2.5 V
or +3.3V
+1.8V or +2.5V
* *Use low ESR ceramic capacitors.
Digital Audio
Processor
(1) Pull-up to VL (47 kΩ for Master Mode.
Pull-down to DGND for Slave Mode.
1 µF
VL or DGND (1)
1 µF
1 µF
0.1 µF
**
**
0.1 µF
Figure 2. Typical Connection Diagram (Hardware Mode)
GND_HP
MCLK
FLYP
FLYN
VSS_HP
SCLK
LRCK
SDIN
SDOUT/
M/S
DEM
RESET
I²S/LJ
MCLKDIV2
VL
VD
CS42L51
DGND
VA
DAC_FILT+
0.1 µF
ADC_FILT+
VA_HP
Note 2 :
This circuitry is intended for applications where the CS 42L51 connects directly to an unbalanced output of the device . For
internal routing applications please see the DAC Analog Output Characteristics section for loading limitations .
AOUTA
AOUTB
AFILTA
AFILTB
AGND
AIN1A
AIN1B
VQ
0.1 µF
1800 pF
1800 pF
*
* Capacitors must be C0G or equivalent
150 pF
0.022 µF
51.1 Ω
*
*
1 µF
1 µF
*
1 µF
150 pF
1 µF
100 Ω
100 Ω
Note 4:
Series resistance in the path of the power supplies (typically
used for added filtering) must be avoided. Any voltage drop
on VA_HP will directly impact the negative charge pump
supply (VSS_HP) and result in clipping on the audio output .
470Ω
See Note 4
470Ω
100 kΩ
100 kΩ
C
C
10 µF
1 µF
+1.8V or +2.5V
Speaker Driver
Line Level Out
Left & Right
See Note 2
Left Analog Input 1
Right Analog Input 1
For best response to Fs/2 :
Headphone Out
Left & Right
C
=
4
R
R
π
ext
ext
Fs
R
CS42L51
ext
(
R
+
ext
470
×
470
)
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