Aeroflex Circuit Technology
4
SCDCT3232 REV A 6/27/02 Plainview NY (516) 694-6700
Receiver con’t
Output Characteristics, RX Data & Data
“1” State (I
SOURCE
= -0.4 mA) Note 2
“0” State (I
SINK
= 4 mA) Note 2
Note: With Receiver input below threshold, both RX Data & RX
Data outputs remain in “1” state.
Delay (average) from differential input zero crossings to RX Data
& RX Data output 50% points.
V
OH
V
OL
t
DRX
2.5
-
-
3.3
-
290
-
0.5
450
V
V
ns
Note 1: Assumes unit in free air (natural convection cooling).
Driver
Power Supply Voltage Ranges
(See Receiver Section for V
CCL
)
V
CCTX
V
EETXL
+11.75
-11.75
-
-
+15.75
-15.75
V
V
Supply Current
,
“Standby” mode
(See Receiver Section for I
CCL
)
(TX Inhibit high; or TX Data & TX Data both high or both low)
I
CCTXS
I
EETXS
-
-
12
0
Note 2
1.0
mA
mA
Supply Current transmitting at 1MHz into a 35
load
at point A in Figure 4
(I
CCL
limits do not change with mode of operation
or duty cycle)
Duty Cycle
I
CCX
25
Note 4
45
Note 2
mA
25%
I
EEX
25
Note 3
35
Note 2
mA
100%
V
CCTX
Note 4
150
Note 2
mA
I
EETX
Note 3
135
Note 2
mA
Input Characteristics, TX Data In or TX Data In
“0” Input Current (V
IN
= 0.4 V)
“1” Input Current (V
IN
= 2.7 V)
“0” Input Voltage
“1” Input VoltageV
I
ILD
I
IHD
V
ILD
V
IHD
-
-
-
2.0
-
-
-
-
-1.2
100
0.7
-
mA
μa
V
V
Inhibit Characteristic
“0” Input Current (V
IN
= 0.4 V)
“1” Input Current (V
IN
= 2.7 V)
“0” Input Voltage
“1” Input Voltage
Delay from TX Inhibit (0
1) to inhibited output impedance
Delay from TX Inhibit (1
0) to active output impedance
Differential output noise, inhibit mode
Differential output impedance (inhibited) at 1MHz
I
ILI
I
IHI
V
ILI
V
IHI
I
t
DXOFF
t
DXON
V
NOI
Z
OI
-
-
-
2.0
-
-
-
10K
-
-
-
-
300
100
-
-
-0.8
50
0.7
-
450
350
10
-
mA
μA
V
V
ns
ns
mV
PEAK
Output Characteristics (Figure 3)
Differential output level (140 ohm load)
Differential Active output impedance at 1MHz
Rise and Fall times (10% to 90% of p-p output)
Output offset at point A in Fig. 4 (35
load) 2.5μS after mid-bit
crossing of the parity bit of the last word of a 660μS message
Delay from 50% point of TX Data or TX Data input to zero
crossing of differential output
V
O
Z
OA
t
R
/t
F
V
OS
t
DTX
28
-
200
-
-
32
-
-
±20
220
35
10
300
±75
350
Vp-p
ns
mVpeak
ns
Note 2: Maximum supply currents for driver and receiver combined are included in power and thermal data table.
Electrical Characteristics con’t
Parameter/Condition
Sym
Min
Typ
Max
Unit