UDA1355H/N2,557 NXP Semiconductors, UDA1355H/N2,557 Datasheet - Page 28

• Manufacturer Part Number: UDA1355H/N2,557
• Description: IC CODEC STER/SUDIO SPDIF 44QFP
• Manufacturer: NXP Semiconductors
• Type: Stereo Audior

Specifications of UDA1355H/N2,557

• Data Interface: I²C, Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: No
• S/n Ratio, Adcs / Dacs (db) Typ: 97 / 98
• Voltage - Supply, Analog: 2.7 V ~ 5.5 V
• Voltage - Supply, Digital: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935271552557

NXP Semiconductors
In the microcontroller mode, more features are available. The application modes are given in Table 14. Some modes are
the same in terms of data path as for the static mode. These modes are already explained in Section 8.2. Some modes
are combined into one mode (like modes 4 and 5).
Table 14 Overview of microcontroller modes
2003 Apr 10
MODE
4 + 5
Stereo audio codec with SPDIF interface
0
1
2
3
See static mode
See static mode
Data path:
• Inputs ADC, I
Features:
• All clocks are related to the SPDIF
• I
• SPDIF input channel status bits (two
• Output SPDIF supported but the timing
• Output SPDIFOUT loop through can
See static mode
Data path:
• Inputs ADC and I
Features:
• Mode 4 and 5 are combined in
• Crystal oscillator generates the clocks
• I
• SPDIF output channel status bits (two
DAC, I
clock
and WS
times 40) can be read
not according to level II: depends on
I
be selected with independent SPDIF
input channel select.
I
microcontroller mode
and WS
times 40) setting.
2
2
2
2
S input and output have master BCK
S-bus clock
S or SPDIF.
S input and output have master BCK
2
S or SPDIF.
FEATURE
2
S and SPDIF to outputs
2
S to outputs DAC,
28
ADC
I
2
ADC
S INPUT
I
2
SPDIF IN
S INPUT
I
2
S slave
(e.g. equalizing, spatializing)
I
2
S slave
(e.g. equalizing, spatializing)
EXTERNAL DSP
EXTERNAL DSP
(SAA7715)
SCHEMATIC
(SAA7715)
PLL
XTAL
SPDIF
I
OUT
2
S OUTPUT
MGU847
I
SPDIF OUT
2
SPDIF LOCK
S OUTPUT
MGU848
Preliminary specification
DAC
I
2
S master
DAC
I
2
S master
UDA1355H
MUTE
SPDIF OUT
MUTE