UDA1345TSDB NXP Semiconductors, UDA1345TSDB Datasheet - Page 16

• Manufacturer Part Number: UDA1345TSDB
• Description: Audio CODECs AUDIO CODEC
• Manufacturer: NXP Semiconductors

Specifications of UDA1345TSDB

• Number Of Adc Inputs: 2
• Number Of Dac Outputs: 2
• Conversion Rate: 100 KSPs
• Interface Type: Serial (I2S), L3
• Resolution: 24 bit
• Operating Supply Voltage: 2.4 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SSOP-28
• Minimum Operating Temperature: - 40 C
• Number Of Channels: 2 ADC, 2 DAC
• Snr: 100 dB
• Supply Current: 10 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: UDA1345TS/N2,112

NXP Semiconductors
7.12.2.2
A 2-bit value (SC1 and SC0) to select the used external
clock frequency (see Table 15).
Table 15 System clock frequency settings
7.12.2.3
A 3-bit value (IF2 to IF0) to select the used data format
(see Table 16).
Table 16 Data input format settings
7.12.2.4
A 1-bit value to enable the digital DC filter (see Table 17).
Table 17 DC filtering
7.12.2.5
A 6-bit value to program the left and right channel volume
attenuation (VC5 to VC0). The range is 0 dB to −∞ dB in
steps of 1 dB (see Table 18).
2002 May 28
Economy audio CODEC
IF2
0
0
0
0
1
1
1
1
SC1
0
0
1
1
System clock frequency
Data input format
DC filter
Volume control
IF1
DC
0
0
1
1
0
0
1
1
0
1
SC0
0
1
0
1
IF0
0
1
0
1
0
1
0
1
I
LSB-justified; 16 bits
LSB-justified; 18 bits
LSB-justified; 20 bits
MSB-justified
MSB-justified output/
LSB-justified 16 bits input
MSB-justified output/
LSB-justified 18 bits input
MSB-justified output/
LSB-justified 20 bits input
no DC filtering
DC filtering
2
S-bus
FUNCTION
FUNCTION
FUNCTION
not used
512f
384f
256f
s
s
s
16
Table 18 Volume settings
7.12.2.6
A 2-bit value to enable the digital de-emphasis filter.
Table 19 De-emphasis settings
7.12.2.7
A 1-bit value to enable the digital DAC mute (playback).
Table 20 DAC mute
VC5 VC4 VC3 VC2 VC1 VC0
0
0
0
0
1
1
1
1
1
1
1
1
:
:
DE1
0
0
1
1
0
0
0
0
1
1
1
1
1
1
1
1
:
:
De-emphasis
Mute
MT
0
1
0
0
0
0
0
0
0
0
0
1
1
1
:
:
DE0
0
1
0
1
0
0
0
0
0
1
0
0
1
0
0
1
:
:
no de-emphasis
de-emphasis; 32 kHz
de-emphasis; 44.1 kHz
de-emphasis; 48 kHz
0
0
1
1
1
0
0
1
1
0
0
1
:
:
0
1
0
1
1
0
1
0
1
0
1
1
:
:
FUNCTION
FUNCTION
UDA1345TS
Product specification
no muting
muting
VOLUME (dB)
−50
−52
−54
−57
−60
−66
−∞
−∞
−1
−2
0
0
:
: