CS42L51-DNZ Cirrus Logic Inc, CS42L51-DNZ Datasheet - Page 30

• 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

30
The MICBIAS series resistor must be selected based on the requirements of the particular microphone
used. The MICBIAS output pin is selected using the MICBIAS_SEL bit.
Software
Controls:
“Interface Control (Address 04h)” on page
//
//
Figure 9. MIC Input Mix w/Common Mode Rejection
2.15 V
0.35 V
2.15 V
0.35 V
1.25 V
1.25 V
Full-Scale Differential Input Level (MICMIX=1)
fc
= (AINxA - AINxB) = 3.6 V
=
---------------------------------------------- -
2π 50 kΩ
Figure 10. Differential Input
(
+
1
PP
+
= 1.27 V
MICIN1
) 1 µF
MICIN2
(
RMS
17
18
52,
)
“MIC Control (Address 05h)” on page
=
3.18 Hz
Σ
AINxB
AINxA
MICBIAS
VA
2.5 V
20
53.
CS42L51
DS679F1