AK7735EQ Datasheet, PDF (16/142 Pages) Asahi Kasei Microsystems – Dual DSP with 4chADC + 4chDAC + 4chSRC

[AK7735]
4. ADC2
(Ta=25C; AVDD=LVDD=TVDD=VDD33=3.3V; AVSS=DVSS1=DVSS2=DVSS3=0V; Signal Frequency
=1kHz; 24bit Data; BICK=64fs; @fs=48kHz, Measurement Frequency BW=20Hz ~ 20kHz;
@fs=96kHz,192kHz, BW=20Hz ~ 40kHz; ADC2VL/R bits=“0”; Differential Input, Unless otherwise
specified.)
Parameter
Min. Typ. Max. Unit
Resolution
24
bit
Input Impedance
14
20
26 kΩ
Input Full Scale
Voltage * 17
Differential Input * 19
Differential Input * 20
±2.1
±2.55
±2.3
±2.83
±2.5
±3.11
Vpp
Input Full Scale
Voltage * 18
Single-ended Input * 19
Single-ended Input * 20
2.1
2.55
2.3
2.83
2.5
3.11
Vpp
fs=48kHz
85
95
S/(N+D) (-1dBFS) fs=96kHz
92
dB
ADC2
fs=192kHz
92
Dynamic Range
(-60dBFS)
fs=48kHz (A-weighted)
fs=96kHz
fs=192kHz
98
106
99
99
dB
fs=48kHz (A-weighted)
98
106
S/N
fs=96kHz
99
dB
fs=192kHz
99
Inter-Channel Isolation * 12
90
105
dB
Channel Gain Mismatch
0.0
0.3 dB
CMRR * 16
60
80
dB
Notes
* 17. AIN2LP, AIN2LN, AIN2RP and AIN2RN pins
* 18. AIN3L, AIN3R, AIN4L and AIN4R pins
* 19. ADC2VL/R bits = “0”. Input full-scale voltage is propotional to AVDD (0.7 x AVDD).
* 20. ADC2VL/R bits = “1”. Input full-scale voltage is propotional to AVDD (0.86 x AVDD).
016014707-E-00
- 16 -
2016/12