ACT4469DI Просмотр технического описания (PDF) - Aeroflex Corporation
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ACT4469DI Datasheet PDF : 6 Pages
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Electrical Characteristics – Receiver Section 1/ 2/
Parameter
Condition Symbol Min Typ Max Unit
Differential Voltage Range 3/
Pt. A - A’
VIDR
-
20 V peak
Common Mode Rejection Ratio 3/
-
CMRR
45
-
-
dB
Strobe Characteristics (Logic "0" inhibits output) (NOTE: If not used, a 1K pullup to 5V is recommended)
"0" Input Current
VS = 0.4 V
IIL
-
-0.2 -0.4
mA
"1" Input Current
VS = 2.7V
IIH
-
1 +40
µA
"0" Input Voltage
-
VIL
-
-
0.7
V
"1" Input Voltage
-
VIH
2.0
-
-
V
Strobe Delay (turn-on)
-
tSD(ON)
-
90 150
nS
Strobe Delay (turn-off)
-
tSD(OFF)
-
90 150
nS
Threshold Characteristics (Sinewave input )
Input Threshold Voltage, Pt. A - A’ Figure 5
1MHz
VTH
1.5 2.0 3.0
Vp-p
Output Characteristics, RX DATA and RX DATA
"1" State
IOH = -0.4 mA
VOH
2.5 3.6
-
V
"0" State
IOL = 4 mA
VOL
- 0.35 0.5
V
Delay (average), from differential input zero
crossings to RX DATA and RX DATA output
6/
50% points
tDRX
-
300 450
nS
Power Supply Currents Per Channel 1/ 2/
VCC = +12V to +15V, VEE = -12V to -15V, VL = +5V
Duty Cycle
Condition
Symbol Typ Max Unit
Transmitter Standby
25% 3/
50%
Pt. A - A’
ZO = 175 Ω,
VO = 21 VPK-PK
Figure 5
ICC
6
10
IEE
16
25
IL
19
25
ICC
26
35
IEE
35
45
IL
19
25
mA
ICC
45
55
IEE
54
65
IL
19
25
100%
ICC
84
120
IEE
92
130
IL
20
25
Notes:
1. VCC = +15Volts ±0.75V, VEE = -15Volts ±0.75V, VIL = +5Volts ±0.5V, Tc = -55°C to +125°C, unless otherwise specified.
2. All typical values are measured at +25°C.
3. Characteristics guaranteed by design, not production tested.
4. Power ON/OFF, measured 1MHz at Point A-A’ Figure 4.
5. At point A-A’ on Figure 4 or 5, 2.5 µS after midpoint crossing of the parity bit of the last word.
6. This test is peformed while the Transceiver is reading its own transmission. This condition is called "Wraparound". Standard TTL
loads applied to RX DATA Outputs.
Aeroflex Circuit Technology
4
SCD4469D REV A 5/21/01 Plainview NY (516) 694-6700
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