ak7746 ETC-unknow, ak7746 Datasheet - Page 10

• Manufacturer Part Number: ak7746
• Description: Audio With 5-channel 24-bit Input
• Manufacturer: ETC-unknow

(1) Analog characteristics
[MS0369-E00]
Monaural
[ASAHI KASEI]
Section
Section
ADCM
Stereo
ADC1
ADC2
ADC
ADC
Note 1) This value is not guaranteed with single-ended input operation
Note 2) Indicates S/(N+D) when -60 dBFS signal is applied
Note 3) Specified for L-ch and R-ch of each input selector with a -1dBFS signal
Note 4) This applies to AINL+, AINL-, AINR+ and AINR-.
Note 5) This applies to AINL2~L8 and AINR2~R8.
Note 8)) This applies to AINM.
Note 6) This applies to AINL+, AINL-, AINR+, AINR-, AINL2~L8 and AINR2~R8.
Note 7) This applies to AINM.
(Unless otherwise specified, Ta = 25°C; AVDD, DVDD = 3.3V; VREFH = AVDD, VREFL = AVSS;
BITCLK = 64 fs; Signal frequency 1 kHz;
Measurement bandwidth = 20 Hz to 20 kHz @48 kHz, 20 Hz to 40 kHz @96kHz;
ADC with all differential inputs, CLKO output = 18.432MHz; XTI = 18.432MHz, SMODE = “H”)
Full-scale range (∆AIN = (AIN+) - (AIN-)) is represented by (±FS = ± (VREFH-VREFL) × (2.0/3.3)).
Full-scale range is represented by (FS = ±(VREFH-VREFL) × (2.0/3.3)).
Resolution
Dynamic characteristics
S/(N+D)
Dynamic range fs = 48kHz (A filter)
S/N
Inter-channel isolation (f=1kHz)
DC accuracy
Inter-channel gain mismatching
Analog input
Input voltage ( differential inputs)
Input voltage ( single ended)
Input impedance
Resolution
Dynamic characteristics
S/(N+D)
Dynamic range fs = 48kHz (A filter)
S/N
Analog input
Input voltage
Input impedance
The full-scale of single-snded input is (FS=(VREFH-VREFL) × (2.0/3.3)).
fs = 96kHz (-1dBFS)
fs = 96kHz
fs = 98kHz
fs = 96kHz
fs = 98kHz
fs = 48kHz (-1dBFS)
fs = 48kHz ( A filter )
fs = 48kHz ( A filter )
fs = 48kHz (-1dBFS)
fs = 96kHz (-1dBFS)
Parameter
7. Electric Characteristics
(fs=48kHz) (Note 6)
(Note 7)
(Note 8)
(Note 1,2)
- 10 -
(Note 4)
(Note 5)
(Note1)
(Note 3)
(Note2)
±1.85
min
1.85
1.85
81
88
88
90
22
76
80
80
22
±2.00
2.00
2.00
typ
115
0.1
91
88
98
94
98
94
33
91
88
97
93
97
93
33
±2.15
max
2.15
2.15
0.3
24
24
[AK7746]
2004/12
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
Vp-p
Vp-p
Vp-p
Unit
Bits
Bits
kΩ
kΩ
dB
dB
dB
dB
dB
dB