Datasheet

ADM3070E/ADM3071E/ADM3072E/ADM3073E/ADM3074E/ADM3075E/ADM3076E/ADM3077E/ADM3078E
Rev. E | Page 4 of 20
SPECIFICATIONS
V
CC
= 3.3 V ± 10%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Table 2. ADM3070E/ADM3071E/ADM3072E/ADM3073E/ADM3074E/ADM3075E/ADM3076E/ADM3077E/ADM3078E
Parameter Symbol Min Typ Max Unit Test Conditions/Comments
DRIVER
Differential Outputs
Differential Output Voltage V
OD
2.0 V
CC
V R
L
= 100 Ω (RS-422) (see Figure 7)
1.5 V
CC
V R
L
= 54 Ω (RS-485) (see Figure 7)
V
CC
V No load
Δ|V
OD
| for Complementary Output States
1
ΔV
OD
0.2 V R
L
= 54 Ω or 100 Ω (see Figure 7)
Common-Mode Output Voltage V
OC
V
CC
/2 3 V R
L
= 54 Ω or 100 Ω (see Figure 7)
Δ|V
OC
| for Complementary Output States
1
ΔV
OC
0.2 V R
L
= 54 Ω or 100 Ω (see Figure 7)
Short-Circuit Output Current I
OSD
40 250 mA 0 V < V
OUT
< 12 V
−250 −40 mA −7 V < V
OUT
< V
CC
Short-Circuit Foldback Output Current I
OSDF
20 mA (V
CC
− 1 V) < V
OUT
< 12 V
−20 mA −7 V < V
OUT
< +1 V
Output Leakage (Y, Z) Full Duplex I
O
125 μA
DE = 0 V, RE
= 0 V, V
CC
= 0 V or 3.6 V, V
IN
= 12 V
−100 μA
DE = 0 V, RE
= 0 V, V
CC
= 0 V or 3.6 V, V
IN
= −7 V
Logic Inputs
Input High Voltage V
IH
2.0 V
DE, DI, RE
Input Low Voltage V
IL
0.8 V
DE, DI, RE
Input Hysteresis V
HYS
100 mV
DE, DI, RE
Logic Input Current I
IN
±1 μA
DE, DI, RE
Input Impedance First Transition 1 10 kΩ DE
Thermal Shutdown Threshold T
TS
175 °C
Thermal Shutdown Hysteresis T
TSH
15 °C
RECEIVER
Differential Inputs
Differential Input Threshold Voltage V
TH
−200 −125 −50 mV −7 V < V
CM
< +12 V
Input Hysteresis ΔV
TH
15 mV V
A
+ V
B
= 0 V
Input Resistance (A, B) R
IN
96 kΩ −7 V < V
CM
< +12 V
Input Current (A, B) I
A,
I
B
125 μA DE = 0 V, V
CC
= 0 V or 3.6 V, V
IN
= 12 V
−100 μA DE = 0 V, V
CC
= 0 V or 3.6 V, V
IN
= −7 V
RO Logic Output
Output High Voltage V
OH
V
CC
− 0.6 V I
OUT
= −1 mA
Output Low Voltage V
OL
0.4 V I
OUT
= 1 mA
Short-Circuit Output Current I
OSR
±80 mA 0 V < V
RO
< V
CC
Tristate Output Leakage Current I
OZR
±1 μA V
CC
= 3.6 V, 0 V < V
OUT
< V
CC
POWER SUPPLY
Supply Current I
CC
0.8 1.5 mA
No load, DE = V
CC
, RE = 0 V
0.8 1.5 mA
No load, DE = V
CC
, RE = V
CC
0.8 1.5 mA
No load, DE = 0 V, RE
= 0 V
Shutdown Current
I
SHDN
0.05 10 μA
DE = 0 V, RE
= V
CC
ESD PROTECTION
A, B, Y, Z Pins ±15 kV Human body model
All Pins Except A, B, Y, Z Pins ±4 kV Human body model
1
Δ|V
OD
| and Δ|V
OC
| are the changes in V
OD
and V
OC
, respectively, when the DI input changes state.