ml7074-001ga Oki Semiconductor, ml7074-001ga Datasheet - Page 14

• Manufacturer Part Number: ml7074-001ga
• Description: Speech Codec
• Manufacturer: Oki Semiconductor

(Unless otherwise specified, AV
PDNB, XO, AVREF Timings
Note: 1. “a” is a value that depends on the oscillation stabilizing time when using a crystal oscillator.
Ta = −20 to +60°C)
Oki Semiconductor
Power-down signal pulse
width
Oscillation start-up time
AVREF rise time
Initialization mode start-up
time
(READY)
Parameter
CR5-B7
AVREF
DVDD,
AVDD
PDNB
XO
DD
Symbol
tAVREF
t
tPDNB
PDNB
txtal
tINIT
= 3.0 to 3.6 V, DV
txtal
Figure 1 PDNB, XO, and AVREF timings
t
t
AVREF
INIT
C5 = 4.7 mF, C6 = 0.1 mF
AVREF = 1.4 (90%)
(See figure 9.)
DD
Conditions
PDNB pin
0, 1, 2 = 3.0 to 3.6 V, AGND = DGND0, 1, 2 = 0.0 V,


Initialization mode
Min.



1
2+a [1]
Typ.


1
Max.
100
600


ML7074-001GA
Unit
sec
ms
ms
ms
VDD
0 V
VDD
0 V
VDD
0 V
About
1.4 V
0 V
"1"
"0"
10