Instruction Manual
Table Of Contents
- CRD4299-1 AMR: CrystalClear™ AC '97 AMR Reference Design
- Features
- Description
- TABLE OF CONTENTS
- LIST OF FIGURES
- LIST OF TABLES
- Contacting Cirrus Logic Support
- 1. GENERAL INFORMATION
- 2. REFERENCE DESIGN FEATURES
- 3. SCHEMATIC DESCRIPTION
- 4. GROUNDING AND LAYOUT
- 5. AUDIO PERFORMANCE EVALUATION
- Table 1. Reference Designators
- Table 2. Microphone Support Specifications
- Table 3. Full Duplex Specifications
- Table 4. Analog Mixer, Line In to Line Out Specifications
- Table 5. Analog Mixer, Mic In to Line Out Specifications
- 5.1 Plots
- Figure 1. Full Duplex (A-D-PC-D-A): Line In/Out Frequency Response
- Figure 2. Full Duplex (A-D-PC-D-A): Line In/Out Dynamic Range
- Figure 3. Full Duplex (A-D-PC-D-A): Line In/Out THD+N vs. Frequency
- Figure 4. Analog Mixer (A-A): Line In/Out Frequency Response
- Figure 5. Analog Mixer (A-A): Line In/Out Dynamic Range
- Figure 6. Analog Mixer (A-A): Line In/Out THD+N vs. Frequency
- Figure 7. Analog Mixer (A-A): Mic In/Line Out Frequency Response
- Figure 8. Analog Mixer (A-A): Mic In/Line Out Dynamic Range
- Figure 9. Analog Mixer (A-A): Mic In/Line Out THD+N vs. Frequency
- Figure 10. Analog Mixer (A-A): Line In/Out Crosstalk vs. Frequency
- 6. REFERENCES
- 7. SCHEMATIC, LAYOUT, AND BRACKET DRAWINGS
- 8. BILL OF MATERIALS
CRD4299-1 AMR
20 DS319RD1A1
MONO OUT
PHONE IN
GND
GND
INTERNAL MODEM CONNECTION
Do not
populate R52
PC SPEAKER IN
CD IN
L
GND
GND
R
Connect CGND to AGND at the jack
LINE IN
AUX IN
L
GND
GND
R
R
GND
GND
VID
EO IN
L
AGND AGNDAGND AGND
AGND AGND
+5VA
AGND
AGND
AGND
AGND
CGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
R23
47K
R24
47K
R22 0
C12
220pF
C19
220pF
J5
4X1HDR-AU
1
2
3
4
C28 1uF
X7R
C29 1uF
X7R
R52
4.7K
L3
31@100MHz
R31
4.7K
C75
2700pF
X7R
R53 47K
R7 6.8K
R4 6.8K
R9 6.8K
R8 6.8K
R12 3.4K
R13 3.4K
C16
220pF
C17
220pF
C18
220pF
J1
4X1HDR-AU
1
2
3
4
C4 1uF
X7R
C8 1uF
X7R
C13 1uF
X7R
R16 6.8K
R17 6.8K
R20 6.8K
R21 6.8K
C21
220pF
C22
220pF
J4
PHONO-1/8
4
3
5
2
1
C15 1uF
X7R
C25 1uF
X7R
R14 6.8K
R18 6.8K
R19 6.8K
C23
220pF
J3
4X1HDR-AU
1
2
3
4
C14 1uF
X7R
C20 1uF
X7R
C24
220pF
R15 6.8K
R6 6.8K
R5 6.8K
R11 6.8K
C11
220pF
J2
4X1HDR-AU
1
2
3
4
C10
220pF
C5 1uF
X7R
C9 1uF
X7R
C26 0.1uF
Z5U
R10 6.8K
MONO_OUT
PHONE_IN
PC_BEEP
PC-BEEP-BUS
CD_INR
CD_INL
CD_COM
LINE_IN_R
LINE_IN_L
AUX_INR
AUX_INL
VIDEO_R
VIDEO_L
Figure 15. Audio In