Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- GENERAL DESCRIPTION
- TABLE OF CONTENTS
- REVISION HISTORY
- FUNCTIONAL BLOCK DIAGRAM
- SPECIFICATIONS
- ABSOLUTE MAXIMUM RATINGS
- PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
- TYPICAL PERFORMANCE CHARACTERISTICS
- SYSTEM BLOCK DIAGRAM
- THEORY OF OPERATION
- INITIALIZATION
- AUDIO ADCs
- AUDIO DACs
- CONTROL PORTS
- SIGNAL PROCESSING
- RAMS AND REGISTERS
- CONTROL REGISTER MAP
- CONTROL REGISTER DETAILS
- 2048 TO 2055 (0x0800 TO 0x0807)—INTERFACE REGISTERS
- 2056 (0x0808)—GPIO PIN SETTING REGISTER
- 2057 TO 2060 (0x0809 TO 0x080C)—AUXILIARY ADC DATA REGISTERS
- 2064 TO 2068 (0x0810 TO 0x0814)—SAFELOAD DATA REGISTERS
- 2069 TO 2073 (0x0815 TO 0x819)—SAFELOAD ADDRESS REGISTERS
- 2074 TO 2075 (0x081A TO 0x081B)—DATA CAPTURE REGISTERS
- 2076 (0x081C)—DSP CORE CONTROL REGISTER
- 2078 (0x081E)—SERIAL OUTPUT CONTROL REGISTER
- 2079 (0x081F)—SERIAL INPUT CONTROL REGISTER
- 2080 TO 2081 (0x0820 TO 0x0821)—MULTIPURPOSE PIN CONFIGURATION REGISTERS
- 2082 (0x0822)—AUXILIARY ADC AND POWER CONTROL
- 2084 (0x0824)—AUXILIARY ADC ENABLE
- 2086 (0x0826)—OSCILLATOR POWER-DOWN
- 2087 (0x0827)—DAC SETUP
- MULTIPURPOSE PINS
- LAYOUT RECOMMENDATIONS
- TYPICAL APPLICATION SCHEMATICS
- OUTLINE DIMENSIONS
ADAU1701 Data Sheet
Rev. C | Page 14 of 52
TYPICAL PERFORMANCE CHARACTERISTICS
0.20
0.10
0.15
0
–0.10
0.05
–0.05
–0.15
–0.20
0 2 4 6 8 10 12 14 16 18 20 22
GAIN (dB)
FREQUENCY (kHz)
f
S
= 48kHz
06412-008
Figure 8. ADC Pass-Band Filter Response
0 25 30 35 402015105 45
GAIN (dB)
FREQUENCY (kHz)
10
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
f
S
= 48kHz
06412-009
Figure 9. ADC Stop-Band Filter Response
0.10
–0.10
0.08
–0.08
0
0.02
–0.02
0.04
–0.04
0.06
–0.06
0
5 10
15 20
GAIN (dB)
FREQUENCY (kHz)
f
S
= 48kHz
06412-010
Figure 10. DAC Pass-Band Filter Response
10
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0 2 4 6 8
10 12
14 16
18 20
GAIN (dB)
FREQUENCY (kHz)
f
S
= 48kHz
06412-011
Figure 11. DAC Stop-Band Filter Response