Owner manual
Table Of Contents
- 1. Pin Descriptions
- 2. Characteristics and Specifications
- Recommended Operating Conditions
- Absolute Maximum Ratings
- DAC Analog Characteristics
- Combined Digital and On-Chip Analog Filter Characteristics
- Switching Specifications - Serial Audio Interface
- Digital Interface Characteristics
- Internal Power-On Reset Threshold Voltages
- DC Electrical Characteristics
- 2.1 Digital I/O Pin Characteristics
- 3. Typical Connection Diagram
- 4. Applications
- 5. Combined Digital and On-chip Analog Filter Response Plots
- Figure 10. Single-Speed Stopband Rejection
- Figure 11. Single-Speed Transition Band
- Figure 12. Single-Speed Transition Band (detail)
- Figure 13. Single-Speed Passband Ripple
- Figure 14. Double-Speed Stopband Rejection
- Figure 15. Double-Speed Transition Band
- Figure 16. Double-Speed Transition Band (detail)
- Figure 17. Double-Speed Passband Ripple
- Figure 18. Quad-Speed Stopband Rejection
- Figure 19. Quad-Speed Transition Band
- Figure 20. Quad-Speed Transition Band (detail)
- Figure 21. Quad-Speed Passband Ripple
- 6. Parameter Definitions
- 7. Package Information
- 8. Ordering Information
- 9. Revision History
4 DS895F2
CS4354
1. PIN DESCRIPTIONS
Pin Name Pin # Pin Description
VL 1 Serial Audio Interface Power (Input) - Positive power for the serial audio interface.
SDIN 2 Serial Audio Data Input (Input) - Input for two’s complement serial audio data.
MCLK 3 Master Clock (Input) - Clock source for the delta-sigma modulator and digital filters.
LRCK 4
Left / Right Clock (Input) - Determines which channel, Left or Right, is currently active on the serial
audio data line.
SCLK/DEM 5 Serial Clock (Input) - Serial clock for the serial audio interface.
FILT+
7
Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling circuits.
AOUTA
AOUTB
8
9
Analog Outputs (Output) - The full-scale analog line output level is specified in the Analog Characteris-
tics table.
GND 6, 10 Ground (Input) - Ground reference. See Section 4.10 on page 18 for layout considerations.
VA 11
Analog, Charge Pump, and Regulator Power (Input) - Positive power supply for the analog, inverting
charge pump, and regulator for the digital core logic sections.
FLYP
FLYN
12
13
Inverting Charge Pump Cap Positive/Negative Nodes (Output) - Positive and Negative nodes for the
inverting charge pump’s flying capacitor.
-VFILT 14
Inverting Charge Pump Filter Connection (Output) - Power supply from the inverting charge pump that
provides the negative rail for the output amplifiers.
VL -VFILT
SDIN FLYN
MCLK FLYP
LRCK VA
SCLK/DEM GND
GND AOUTB
FILT+ AOUTA
1
2
3
4
5
6
7
9
10
11
12
13
14
8