參數(shù)資料
型號(hào): MSM7584C
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: π/4 Shift QPSK MODEM(π/4移動(dòng)QPSK調(diào)制解調(diào)器/ADPCM編碼譯碼器)
中文描述: π/ 4移位的QPSK調(diào)制解調(diào)器(π/ 4移動(dòng)的QPSK調(diào)制解調(diào)器/差分PcM編碼譯碼器)
文件頁數(shù): 21/57頁
文件大?。?/td> 321K
代理商: MSM7584C
Semiconductor
MSM7584C
21/57
ELECTRICAL CHARACTERISTICS
DC Characteristics
Parameter
High Level Output Voltage
Low Level Output Voltage
Output Leakage Current
Input Capacitance
Symbol
I
DD1
I
DD2
I
DD3
I
DD4
I
DD5
I
DD6
I
DD7
I
DD8
V
OH1
V
OH2
V
OL
I
O
C
IN
Condition
I
OH
=
0.4 mA
I
OH
=
1
m
A
I
OL
= –1.2 mA (IS pin is pulled
up with 500
W
resistor)
IS pin
Min.
0.5
V
DD
0.8
V
DD
0
Typ.
0.03
4.5
4.5
10.5
8.5
13.0
7.0
0.2
5
Max.
0.1
10.0
10.0
22.0
18.0
27.0
15.0
V
DD
V
DD
0.4
10
Unit
mA
mA
mA
mA
mA
mA
mA
V
V
V
m
A
pF
(V
DD
=
2.7
V to 3.6
V, Ta
=
–25°C to +70°C)
Mode A (When V
DD
= 3.0 V)
Mode B (When V
DD
= 3.0 V)
Mode C (When V
DD
= 3.0 V)
Mode D (When V
DD
= 3.0 V)
Mode E (When V
DD
= 3.0 V)
Mode F (When V
DD
= 3.0 V)
When operating*
(When no signal, and V
DD
= 3.0 V)
When powered down
(When V
DD
= 3.0 V)
CR22–B3 = "1"
(When V
DD
= 3.0 V)
Power Supply Current (Modem)
(When CODEC is in a
Power Down State)
Input Leakage Current
I
IH
I
IL
V
I
=
V
DD
V
I
=
0 V
2.0
0.5
m
A
m
A
Power Supply Current (CODEC)
(When Modem is in a Power
Down State)
I
DD9
11.0
0.03
18.0
0.1
mA
mA
Power Supply Current
(RSSI-ADC)
I
DD10
2.0
4.0
mA
*
I
DD7
applies when CRC0 - B0 = "0" and CR22 - B3 = "0"; I
DD8
applies when operating in other
conditions.
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