參數(shù)資料
型號(hào): MC145750VFU
廠商: MOTOROLA INC
元件分類: 通信及網(wǎng)絡(luò)
英文描述: QPSK Encoder
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP48
封裝: PLASTIC, VQFP-48
文件頁數(shù): 3/12頁
文件大?。?/td> 296K
代理商: MC145750VFU
MC145750
MOTOROLA
3
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RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min
Typ
Max
Unit
DC Supply Voltage
VDD
Vin
TA
2.7
3.3
5.5
V
DC Input Voltage
0
VDD
85
V
Operating Temperature Range
– 20
25
°
C
ELECTRICAL CHARACTERISTICS
(TA = 25
°
C, TXD = L, Normal Mode)
Parameters
Symbol
Condition
Min
Typ**
Max
Unit
DC Supply Current
VDD = 3 V
Idd1
Idd2
Idd3
Idd4
Idd5
ERST = L
0.25
0.5
mA
DRATE = L
DS = L
5.0
6.0
DRATE = H
1.5
1.8
DRATE = L
DS = Burst Input*
5.0
6.0
DRATE = H
1.5
1.8
DRATE = L
Idd6
Idd7
Idd1
Idd2
Idd3
Idd4
Idd5
Idd6
Idd7
DS = Continual Input
8.0
10.0
DRATE = H
2.0
2.6
DC Supply Current
VDD = 5 V
ERST = L
0.5
3.0
mA
DRATE = L
DS = L
27.0
33.0
DRATE = H
17.0
19.0
DRATE = L
DS = Burst Input*
30.0
33.0
DRATE = H
18.0
20.0
DRATE = L
DS = Continual Input
33.0
37.0
DRATE = H
18.0
20.0
*625
μ
s burst/5 ms period (DRATE = L) at DCLK = 384 kHz.
6.6 ms burst/20 ms period (DRATE = H) at DCLK = 42 kHz.
**Typical numbers are not guaranteed.
ANALOG CHARACTERISTICS
(TA = 25
°
C)
Parameters
Symbol
Condition
Min
Typ**
Max
Unit
Output Swing Level
I/Q Out
VDD = 3 V
VDD = 5 V
Vout
RL = k
, TXD = L
Normal Mode
500
550
600
mV p–p
520
570
620
Output Swing Imbalance
Vout
Vout
– 0.5
0
0.5
dB
Output DC Level
I/Q Out
VDD = 3 V
VDD = 5 V
DS = L
800
820
840
mV
780
800
820
Output Swing Imbalance
VDD
Vin
20
Out–of–Band Noise Level
VDD = 5 V
600 kHz
– 50
dB
900 kHz
– 55
DC Output Resistance
Rout
Iout/Qout
50
100
*DAref1 = H at VDD = 3 V, DAref3 = H at VDD = 5 V
**Typical numbers are not guaranteed.
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