MC145750 Datasheet, PDF (3/12 Pages) Motorola, Inc – QPSK Encoder

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{MAXIMUM RATINGS}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _Parameter
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{DC Supply Voltage}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{DC Input Voltage}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Power Dissipation}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Storage Temperature}
Symbol
Value
Unit
VDD
Vin
PD
Tstg
– 0.5 to + 7
V
– 0.5 to VDD + 0.5
V
500
mW
– 65 to +150
°C
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min
Typ
Max
Unit
DC Supply Voltage
VDD
2.7
3.3
5.5
V
DC Input Voltage
Operating Temperature Range
Vin
0
—
VDD
V
TA
– 20
25
85
°C
ELECTRICAL CHARACTERISTICS (TA = 25°C, TXD = L, Normal Mode)
Parameters
Symbol
Condition
Min
DC Supply Current
VDD = 3 V
Idd1
ERST = L
—
DRATE = L
Idd2
DS = L
—
DRATE = H
Idd3
—
DRATE = L
Idd4
DS = Burst Input*
—
DRATE = H
Idd5
—
DRATE = L
Idd6
DS = Continual Input
—
DC Supply Current
VDD = 5 V
DRATE = H
Idd7
—
Idd1
ERST = L
—
DRATE = L
Idd2
DS = L
—
DRATE = H
Idd3
—
DRATE = L
Idd4
DS = Burst Input*
—
DRATE = H
Idd5
—
DRATE = L
Idd6
DS = Continual Input
—
DRATE = H
Idd7
—
* 625 µs 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.
Typ**
0.25
5.0
1.5
5.0
1.5
8.0
2.0
0.5
27.0
17.0
30.0
18.0
33.0
18.0
Max
Unit
0.5
mA
6.0
1.8
6.0
1.8
10.0
2.6
3.0
mA
33.0
19.0
33.0
20.0
37.0
20.0
ANALOG CHARACTERISTICS (TA = 25°C)
Parameters
Output Swing Level
I/Q Out
Output Swing Imbalance
VDD = 3 V
VDD = 5 V
Output DC Level
I/Q Out
VDD = 3 V
VDD = 5 V
Output Swing Imbalance
Out–of–Band Noise Level
VDD = 5 V
Symbol
Vout
∆Vout
Vout
∆VDD
Vin
DC Output Resistance
Rout
* DAref1 = H at VDD = 3 V, DAref3 = H at VDD = 5 V
** Typical numbers are not guaranteed.
Condition
RL = kΩ, TXD = L
Normal Mode
DS = L
600 kHz
900 kHz
Iout/Qout
Min
500
520
– 0.5
800
780
—
—
—
—
Typ**
550
570
0
820
800
—
– 50
– 55
50
Max
Unit
600
mV p–p
620
0.5
dB
840
mV
820
20
—
dB
—
100
Ω
MOTOROLA
MC145750
3