CS42L55-DNZ Cirrus Logic Inc, CS42L55-DNZ Datasheet - Page 49

• Manufacturer Part Number: CS42L55-DNZ
• Description: IC CODEC STER H-HDPN AMP 36-QFN
• Manufacturer: Cirrus Logic Inc
• Type: Stereo Audior

Specifications of CS42L55-DNZ

• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 1 / 1
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 95 / 99
• Voltage - Supply, Analog: 1.65 V ~ 2.71 V
• Voltage - Supply, Digital: 1.65 V ~ 2.71 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1506 - BOARD EVAL FOR CS42L55 CODEC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

DS773F1
6.11
6.11.1 Boostx
6.11.2 PGA x Input Select
6.11.3 PGAx Volume
BOOSTx
7
PGA x MUX, Volume:
PGA A (Address 0Bh) & PGA B (Address 0Ch)
Configures a +20 dB boost on channel x.
Selects the specified analog input signal into PGA channel x.
Note:
(AIN1REF or AIN2REF) for each input selection.
Sets the volume/gain of the Programmable Gain Amplifier (PGA).
Notes:
1. Refer to
BOOSTx
0
1
PGAxMUX
0
1
PGAxVOL[5:0]
01 1111
...
01 1000
...
00 0001
00 0000
11 1111
...
11 0100
...
10 0000
Step Size:
PGAxMUX
For pseudo-differential inputs, the CODEC automatically chooses the respective pseudo-ground
6
Figure 23
+20 dB Boost
No boost applied
+20 dB boost applied
Selected Input to PGAx
AIN1x
AIN2x
Volume
12 dB
...
12 dB
...
+0.5 dB
0 dB
-0.5 dB
...
-6.0 dB
...
-6.0 dB
0.5 dB
PGAxVOL5
and
5
Figure 24 on page 69
PGAxVOL4
4
PGAxVOL3
for differential and integral nonlinearity (DNL and INL).
3
PGAxVOL2
2
PGAxVOL1
1
CS42L55
PGAxVOL0
0
49