Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- DESCRIPTION
- ORDERING INFORMATION
- ABSOLUTE MAXIMUM RATINGS
- RECOMMENDED OPERATING CONDITIONS
- ELECTRICAL CHARACTERISTICS
- THERMAL INFORMATION
- THERMAL INFORMATION
- DEVICE INFORMATION
- FUNCTIONAL BLOCK DIAGRAMS
- TYPICAL CHARACTERISTICS: INTERNAL FILTER
- TYPICAL CHARACTERISTICS: GENERAL
- DETAILED DESCRIPTION
- Clock and Reset
- Operation Mode Selection
- USB Interface
- DAC
- Digital Audio Interface: S/PDIF Output
- Digital Audio Interface: I2S Interface Output (PCM2706C/7C)
- DESCRIPTOR DATA MODIFICATION
- External ROM Descriptor (PCM2704C/6C)
- External ROM Example
- Serial Programming Interface (PCM2705C/7C)
- SPI Register (PCM2705C/7C)
- USB Host Interface Sequence
- EXAMPLE CIRCUITS
- Revision History

0
0.5
1
1.5
2-
-
-
-
Amplitude (dB)
0.01 0.1 1 10
100
Frequency (kHz)
G003
0
20
40
60
80
-
-
-
-
Amplitude (dB)
1 10 100 1k
10k
Frequency (kHz)
G004
0 1 2 3
4
G001
0
20
40
60
80
100
-
-
-
-
-
-
-
120
140
Amplitude (dB)
Frequency (× f )
S
Frequency (× f )
S
0 0.1 0.2 0.40.3
0.5
0.05
0.04
0.03
0.02
0.01
0
-
-
-
-
-
0.01
0.02
0.03
0.04
0.05
Amplitude (dB)
G002
PCM2704C, PCM2705C
PCM2706C, PCM2707C
www.ti.com
SBFS036A –AUGUST 2011–REVISED JULY 2012
TYPICAL CHARACTERISTICS: INTERNAL FILTER
All specifications at T
A
= 25°C, V
BUS
= 5 V, f
S
= 44.1 kHz, f
IN
= 1 kHz, 16-bit data (unless otherwise noted).
DAC Digital Interpolation Filter Frequency Response
AMPLITUDE vs FREQUENCY AMPLITUDE vs FREQUENCY
Figure 3. Frequency Response Figure 4. Passband Ripple
DAC Analog Low-Pass Filter Frequency Response
AMPLITUDE vs FREQUENCY AMPLITUDE vs FREQUENCY
Figure 5. Passband Characteristics Figure 6. Stop Band Characteristics
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Product Folder Link(s): PCM2704C PCM2705C PCM2706C PCM2707C