ADM3493ARZ Analog Devices Inc, ADM3493ARZ Datasheet - Page 7

• Manufacturer Part Number: ADM3493ARZ
• Description: IC TXRX RS-422/485 3.3V 8-SOIC
• Manufacturer: Analog Devices Inc
• Type: Transceiverr

Specifications of ADM3493ARZ

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Device Type: Differential Line Transceiver
• Ic Interface Type: RS422, RS485
• No. Of Drivers: 1
• Supply Voltage Range: 3V To 3.6V
• Driver Case Style: SOIC
• No. Of Pins: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TEST CIRCUITS
Figure 6. Driver Differential Output Delay and Transition Times
Figure 4. Driver V
V
1
2
1
2
GENERATOR
PPR = 250kHz, 50% DUTY CYCLE,
C
V
ID
PPR = 250kHz, 50% DUTY CYCLE,
C
GENERATOR
L
CC
0
L
INCLUDES PROBE AND STRAY CAPACITANCE.
INCLUDES PROBE AND STRAY CAPACITANCE.
R
D
Figure 7. Driver Propagation Delays
1
A
B
Figure 5. Receiver V
1
Figure 3. Driver V
OD
V
50Ω
with Varying Common-Mode Voltage
V
50Ω
OD
OD
V
V
OL
V
CC
CC
D
V
D
OM
R
R
L
L
R
/2
/2
L
=
OD
t
V
375Ω
375Ω
R
t
OH
OH
C
R
S1
I
(+)
and V
≤ 6.0ns, Z
OL
L
≤ 6.0ns, Z
V
and V
2
+ V
OC
OL
V
C
OC
OH
L
OL
≈ 1.5V
V
–7V TO +12V
= 15pF
O
C
CM
V
O
R
60Ω
= 50Ω.
L
OM
= 50Ω.
L
= 15pF
=
=
R
2
L
OUT
= 27Ω
I
(–)
OUT
OH
2
Rev. 0 | Page 7 of 12
+1.5V
1
2
–1.5V
PPR = 250kHz, 50% DUTY CYCLE,
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
GENERATOR
1
2
1
2
PPR = 250kHz, 50% DUTY CYCLE,
C
GENERATOR
GENERATOR
PPR = 250kHz, 50% DUTY CYCLE,
C
1
2
L
L
PPR = 250kHz, 50% DUTY CYCLE,
C
GENERATOR
Figure 8. Driver Enable and Disable Times (t
Figure 9. Driver Enable and Disable Times (t
INCLUDES PROBE AND STRAY CAPACITANCE.
INCLUDES PROBE AND STRAY CAPACITANCE.
L
S3
INCLUDES PROBE AND STRAY CAPACITANCE.
0V OR 3V
0V OR 3V
Figure 11. Receiver Enable and Disable Times
1
1.5V
Figure 10. Receiver Propagation Delay
V
1
ID
1
0
1
50Ω
R
50Ω
50Ω
50Ω
t
R
D
D
≤ 6.0ns, Z
V
C
ID
t
L
V
t
S1
S1
C
R
R
2
C
OM
t
L
O
R
L
≤ 6.0ns, Z
≤ 6.0ns, Z
= 50pF
1kΩ
= 50Ω.
= 50pF
≤ 6.0ns, Z
=
R
V
OH
2
2
+ V
2
O
O
V
OUT
O
= 50Ω.
= 50Ω.
OL
OM
PZH
= 50Ω.
PZL
V
≈ 1.5V
=
, t
CC
C
, t
L
V
PSH
R
PSL
ADM3493
R
CC
2
L
= 15pF
S1
S2
L
, t
, t
= 110Ω
= 110Ω
OUT
OUT
PHZ
PLZ
)
)
2
V
CC