AK7719 Datasheet, PDF (7/16 Pages) Asahi Kasei Microsystems – Low Power DSP for Voice and Audio Processing

[AK7719]
ELECTRIC CHARACTERISTICS
DC CHARACTERISTICS
(Ta=-20ºC~85ºC; VDD=1.2V, TVDD =1.6V~3.6V; VSS =0V)
Parameter
High level input voltage
Low level input voltage
High level inptu voltage Iout=-200μA (Note 5)
Low level input voltage Iout= 200μA (Note 5)
Symbol
VIH
VIL
VOH
VOL
min
typ
max
Unit
70%TVDD
V
30%TVDD V
TVDD-0.2
V
0.2
V
SDA low level output
voltage Iout=3mA
TVDD ≥ 2.0V
TVDD < 2.0V
Input leak current
Note 5. Except for the SDA pin.
VOL
Iin
0.4
V
20%TVDD V
±10
μA
POWER CONSUMPTION
(Ta=25ºC; VDD=1.2V; TVDD=1.8V; VSS =0V, fin=1 KHz, fs=8kHz 16 bit (FS bits=0h, LAW bits = 0h, DIF bit = 2h,
DSP running with programmed connecting DIN1 with DOUT2 and DIN2 with DOUT1.
Parameter
min
typ
max
Unit
Power Supplies:
Power-Up (PDN pin = “H”) DSP-Operational State
All Circuit Power-up
VDD
VDD=1.2V
-
1.7
-
mA
TVDD
TVDD=1.8V (Note 6)
-
0.02
-
mA
Power Consumption
-
2.1
mW
All Circuit Power-up
VDD
VDD=1.3V
-
20
mA
TVDD
TVDD=3.6V (Note 6)
-
2.0
mA
Power Consumption
-
33.2
mW
Power-Down state (PDN pin = “L”), (Note 7)
VDD
-
2.4
8
μA
TVDD
-
0.2
1
μA
Note 6. The current of VDD, TVDD changes depending on the system frequency and contents of the DSP program.
Note 7. All digital input pins are fixed to TVDD or VSS.
MS1351-E-00-PB
7
2012/01