AK7712A-VT Datasheet, PDF (15/87 Pages) Asahi Kasei Microsystems – Built-in 20-bit ADC/DAC Sophisticated Audio DSP

ASAHI KASEI
[AK7712A-VT]
DC Characteristics
(AVDD=DVDD; AVD,DVB=5.0V±5%; Ta=25°C)
Parameter
High level input voltage
Low level input voltage
Symbol
min
typ
max
Units
VIH
70%VDD
-
-
V
VIL
-
-
30%VDD
V
High level input voltage
Iout=-20uA
Low level input voltage
Iout= 20uA
VOH
VDD-0.1
-
VOL
-
-
-
V
0.1
V
Input leak current
(note 1)
Iin
-
-
±10
uA
Input leak current
(note 2)
Iid
-
100
-
uA
(pull-down pin)
note 1: except pull-up/pull-down pin
2: Pull-down pin(Typ 50kΩ) is as follows; PDAD, PDDA,SDIN2,SDDA,SDDA2,TSTI1,TSTI2,
TSTO1,TSTO2,TSTO3,OPCL pin.
(Ta=25°C; AVDD,DVDD,AVB,DVB=5.0V; Master clock = 18.432MHz, XTI=384fs [fs=48kHz]; Input 1kHz full scale
sine wave input from 2ch analog input pin of ADC and output to 4ch DAC.)
Power supply
Parameter
min
Power supply current
Normal operation (RST=PD="H")
AVDD + AVB + DVB
DVDD
Power-down mode (RST=PD="L")
AVDD + AVB + DVB+ DVDD
(note 3)
typ
max
Units
47
70
mA
51
80
mA
20
250
uA
Power dissipation
Normal operation
490
750
mW
Power-down mode
0.1
1.25
mW
note 3: This is the value in the conditions that external clock(XTI,BCLK,LRCK) is "L", SCLK is "H".
0180-E-02
- 15 -
1997/12