CS4270-CZZ Cirrus Logic Inc, CS4270-CZZ Datasheet - Page 40

IC CODEC 24BIT 105DB 24TSSOP

CS4270-CZZ

Manufacturer Part Number
CS4270-CZZ
Description
IC CODEC 24BIT 105DB 24TSSOP
Manufacturer
Cirrus Logic Inc
Type
Stereo Audior
Datasheets

Specifications of CS4270-CZZ

Package / Case
24-TSSOP
Data Interface
Serial
Resolution (bits)
24 b
Number Of Adcs / Dacs
2 / 2
Sigma Delta
Yes
Dynamic Range, Adcs / Dacs (db) Typ
105 / 105
Voltage - Supply, Analog
3.1 V ~ 5.25 V
Voltage - Supply, Digital
3.1 V ~ 5.25 V
Operating Temperature
-10°C ~ 70°C
Mounting Type
Surface Mount
Number Of Adc Inputs
2
Number Of Dac Outputs
2
Conversion Rate
216 KSPS
Interface Type
Serial (I2S, SPI)
Resolution
24 bit
Operating Supply Voltage
3.3 V, 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
- 95 dB ADC / - 95 dB DAC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
598-1002 - BOARD EVAL FOR CS4270 CODEC
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
598-1040-5

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0
40
8.7
8.8
vol<7>
vol<7>
dacA
dacB
7
7
DAC Channel A Volume Control - Address 07h
DAC Channel B Volume Control - Address 08h
Function:
See
Function:
The digital volume control allows the user to attenuate the signal in 0.5 dB increments from 0 to -127 dB.
The vol<0> bit activates a 0.5 dB attenuation when set, and no attenuation when cleared. The Vol[7:1]
bits activate attenuation equal to their decimal value (in dB). Example volume settings are decoded as
shown in
Cross bits in the Transition Control register (see
Section 8.8 DAC Channel B Volume Control - Address
vol<6>
vol<6>
dacA
dacB
Table
6
6
13. The volume changes are implemented as dictated by the DACSoft and DACZero-
Binary Code
00000000
00000001
00101000
00101001
11111110
11111111
vol<5>
vol<5>
dacA
dacB
5
5
Table 13. Digital Volume Control
vol<4>
vol<4>
dacA
dacB
4
4
Volume Setting
Section
-127.5 dB
vol<3>
vol<3>
-20.5 dB
-127 dB
-0.5 dB
dacA
dacB
-20 dB
0 dB
3
3
8.5.2).
08h.
vol<2>
vol<2>
dacA
dacB
2
2
vol<1>
vol<1>
dacA
dacB
1
1
CS4270
DS686PP1
vol<0>
vol<0>
dacA
dacB
0
0

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