ak5367 AKM Semiconductor, Inc., ak5367 Datasheet - Page 19

• Manufacturer Part Number: ak5367
• Description: 96khz 24-bit Adc With 0v Bias Selector
• Manufacturer: AKM Semiconductor, Inc.

L
The input ATTs are constructed by adding the input resistor (Ri) for LIN1-4/RIN1-4 pins and the feedback resistor (Rf)
between LOPIN/ROPIN pin and LOUT/ROUT pin
typically 0.6 x AVDD (Vpp). If the input voltage of the input selector exceeds typ. 0.6 x AVDD, the input voltage of the
LISEL/RISEL pins must be attenuated to 0.6 x AVDD by the input ATTs.
Note: The value of Ri is over 10k .
MS0694-E-00
Pre-Amp and Input Attenuator
Example for input range
Input Range
4Vrms
2Vrms
1Vrms
Ri
Ri
Ri
Ri
Ri
Ri
Ri
Ri
Ri [k ]
RIN1
RIN2
RIN3
RIN4
LIN1
LIN2
LIN3
LIN4
47
47
47
Figure 13. Pre-Amp and Input ATT
Table 5. Input ATT example
ROPIN
LOPIN
(Figure
Rf [k ]
12
24
47
- 19 -
ROUT
Pre-Amp
13). The input voltage range of the LISEL/RISEL pin is
LOUT
Rf
Rf
Pre-Amp
C1=10 F
C1=10 F
ATT Gain [dB]
LISEL
RISEL
11.86
Table 5
5.84
0
ADC
ADC
shows the example of Ri and Rf.
LISEL/RISEL pin
1.02Vrms
1.02Vrms
1Vrms
[AK5367]
2007/12