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ADM3491AR-1

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
Data Sheet ADM3491-1
Rev. C | Page 3 of 16
SPECIFICATIONS
V
CC
= 3.3 V ± 0.3 V. All specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Test Conditions/Comments
DRIVER
Differential Output Voltage, V
OD
2.0 V R
L
= 100 Ω, V
CC
> 3.1 V, see Figure 14
1.5 V R
L
= 54 Ω, see Figure 14
1.5 V R
L
= 60 Ω, −7 V < V
TST
< +12 V, see Figure 15
∆|V
OD
| for Complementary Output States 0.2 V R = 54 Ω or 100 Ω, see Figure 14
Common-Mode Output Voltage, V
OC
3 V R = 54 Ω or 100 Ω, see Figure 14
∆|V
OC
| for Complementary Output States 0.2 V R = 54 Ω or 100 Ω, see Figure 14
CMOS Input Logic Threshold Low, V
INL
0.8 V
CMOS Input Logic Threshold High, V
INH
2.0 V
Logic Input Current (DE, DI, RE)
±1.0 μA
Output Leakage (Y, Z) Current ±3 μA V
O
= −7 V or +12 V, V
CC
= 0 V or 3.6 V
Output Short-Circuit Current ±250 mA V
O
= −7 V or +12 V
RECEIVER
Differential Input Threshold Voltage, V
TH
−0.2 +0.2 V −7 V < V
CM
< +12 V
Input Voltage Hysteresis, ∆V
TH
50 mV V
CM
= 0 V
Input Resistance 12 19 kΩ −7 V < V
CM
< +12 V
Input Current (A, B) 1 mA V
IN
= 12 V
−0.8 mA V
IN
= −7 V
Logic Enable Input Current (RE)
±1 μA
Output Voltage Low, V
OL
0.4 V I
OUT
= +2.5 mA
Output Voltage High, V
OH
V
CC
− 0.4 V V I
OUT
= −1.5 mA
Short-Circuit Output Current ±60 mA V
OUT
= GND or V
CC
Three-State Output Leakage Current ±1.0 μA V
CC
= 3.6 V, 0 V < V
OUT
< V
CC
POWER SUPPLY CURRENT
I
CC
Outputs unloaded
0.84 1.5 mA
DE = V
CC
, RE = 0 V
0.84 1.5 mA
DE = 0 V, RE
= 0 V
Supply Current in Shutdown 0.002 1 μA
DE = 0 V, RE
= V
CC
ADM3491-1 Data Sheet
Rev. C | Page 4 of 16
TIMING SPECIFICATIONS
V
CC
= 3.3 V, T
A
= 25°C, unless otherwise noted.
Table 2.
Parameter Min Typ Max Unit Test Conditions/ Comments
DRIVER
Differential Output Delay, T
DD
1
35 ns R
L
= 60 Ω, C
L1
= C
L2
= 15 pF, see Figure 18
Differential Output Transition Time 1 8 15 ns R
L
= 60 Ω, C
L1
= C
L2
= 15 pF, see Figure 18
Propagation Delay Input to Output, T
PLH
, T
PHL
7 22 35 ns R
L
= 27 Ω, C
L1
= C
L2
= 15 pF, see Figure 19
Driver Output to Output, T
SKEW
8 ns R
L
= 54 Ω, C
L1
= C
L2
= 15 pF, see Figure 19
ENABLE/DISABLE
Driver Enable to Output Valid
45 90 ns R
L
= 110 Ω, C
L
= 50 pF, see Figure 16
Driver Disable Timing
40 80 ns R
L
= 110 Ω, C
L
= 50 pF, see Figure 16
Driver Enable from Shutdown
65 110 ns R
L
= 110 Ω, C
L
= 15 pF, see Figure 16
RECEIVER
Time to Shutdown 80 190 300 ns
Propagation Delay Input to Output, T
PLH
, T
PHL
25 65 90 ns C
L
= 15 pF, see Figure 21
Skew, T
PLH
– T
PHL
10 ns C
L
= 15 pF, see Figure 21
Receiver Enable, T
EN
25 50 ns C
L
= 15 pF, see Figure 17
Receiver Disable, T
DEN
25 45 ns C
L
= 15 pF, see Figure 17
Receiver Enable from Shutdown
500 ns C
L
= 15 pF, see Figure 17
V
CC
= 3.3 V ± 0.3 V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Table 3.
Parameter Min Typ Max Unit Test Conditions/Comments
DRIVER
Differential Output Delay, T
DD
1
70 ns R
L
= 60 Ω, C
L1
= C
L2
= 15 pF, see Figure 18
Differential Output Transition Time 2 8 15 ns R
L
= 60 Ω, C
L1
= C
L2
= 15 pF, see Figure 18
Propagation Delay Input to Output, T
PLH
, T
PHL
7 22 70 ns R
L
= 27 Ω, C
L1
= C
L2
= 15 pF, see Figure 19
Driver Output to Output, T
SKEW
10 ns R
L
= 54 Ω, C
L1
= C
L2
= 15 pF, see Figure 19
ENABLE/DISABLE
Driver Enable to Output Valid
45 110 ns R
L
= 110 Ω, C
L
= 50 pF, see Figure 16
Driver Disable Timing
40 110 ns R
L
= 110 Ω, C
L
= 50 pF, see Figure 16
Driver Enable from Shutdown
65 110 ns R
L
= 110 Ω, C
L
= 15 pF, see Figure 16
RECEIVER
Time to Shutdown 50 190 500 ns
Propagation Delay Input to Output, T
PLH
, T
PHL
25 65 115 ns C
L
= 15 pF, see Figure 21
Skew, T
PLH
– T
PHL
20 ns C
L
= 15 pF, see Figure 21
Receiver Enable, T
EN
25 50 ns C
L
= 15 pF, see Figure 17
Receiver Disable, T
DEN
25 50 ns C
L
= 15 pF, see Figure 17
Receiver Enable from Shutdown
600 ns C
L
= 15 pF, see Figure 17
Data Sheet ADM3491-1
Rev. C | Page 5 of 16
ABSOLUTE MAXIMUM RATINGS
T
A
= 25°C, unless otherwise noted.
Table 4.
Parameter Rating
V
CC
7 V
Inputs
Driver Input (DI) −0.3 V to V
CC
+ 0.3 V
Control Inputs (DE, RE)
−0.3 V to V
CC
+ 0.3 V
Receiver Inputs (A, B) −7.5 V to +12.5 V
Outputs
Driver Outputs −7.5 V to +12.5 V
Receiver Output −0.5 V to V
CC
+ 0.5 V
14-Lead PDIP, Power Dissipation 800 mW
θ
JA
, Thermal Impedance 140°C/W
14-Lead SOIC, Power Dissipation 650 mW
θ
JA
, Thermal Impedance 115°C/W
16-Lead TSSOP, Power Dissipation 500 mW
θ
JA
, Thermal Impedance 158°C/W
Operating Temperature Range
Industrial (A Version) −40°C to +85°C
Storage Temperature Range −65°C to +150°C
Lead Temperature (Soldering, 10 sec) 300°C
Vapor Phase (60 sec) 215°C
Infrared (15 sec) 220°C
ESD Rating >2 kV
EFT Rating (IEC1000-4-4) >1 kV
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

ADM3491AR-1

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INTEGRATED CIRCUIT
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