參數(shù)資料
型號: MSM7557
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: Single Chip MSK Modem with Compandor for Cordless Telephone
中文描述: 單芯片MSK調(diào)制解調(diào)器無繩電話與Compandor
文件頁數(shù): 11/25頁
文件大?。?/td> 153K
代理商: MSM7557
11/25
MSM7557
Semiconductor
ELECTRICAL CHARACTERISTICS
DC Characteristics
Normal
mode
(mode 4)
Power down
mode 1
Power down
mode 2
Power down
mode 3
DYN = "0" : V
DD
= 2.7 V to 5.5 V, Ta = –30°C to 70°C
DYN = "1" : V
DD
= 4.5 V to 5.5 V, Ta = –30°C to 70°C
*1 Refer to PDN pin description
*2 SD, EMP, DYN, SEC, RCK1, RCK2, BYP, BR, FDE, BIT, FPS, RVE, PDN, ME, TVE
*3 ST, FD, RD, RT
Parameter
Symbol
Condition
Min.
Typ.
9.0
14.0
Max.
18
24
Unit
Power Supply Current *1
Input Leakage Current *2
Input Voltege *2
Output Voltege *3
I
DD
I
DDS1
I
DDS2
I
DDS3
I
IL
I
IH
I
IL
I
IH
V
OL
V
OH
3.6 V
5.5 V
5.5 V
3.6 V
V
IN
= 0 V
V
IN
= V
DD
I
OL
= –20
m
A
I
OH
= 20
m
A
–10
0
0.7V
DD
0
0.8V
DD
1.0
3.8
4.6
20
7.0
9.0
+10
0.2V
DD
V
DD
0.1V
DD
V
DD
mA
m
A
mA
m
A
V
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