HD26C32A Datasheet, PDF (10/14 Pages) Hitachi Semiconductor – Quadruple Differential Line Receivers With 3 State Outputs

HD26C32A
2.0
1.2
0.4
0.0
–0.4
Input Current vs. Input Voltage
Ta = 25°C
=0V
V ^CC
= ^{5.5 V}
V ^CC
–1.2
–2.0
–15 9
–3 0 3
9
15
Input Voltage V_IN (V)
Figure 2 Input Voltage vs. Input Current Characteristics
Driver
V_CC
R1 ^R2
Receiver
R_T
R1
R2
Figure 3 Method of Enhancing Fail-Safe Function
0.6
0.5
0.4
0.3
0.2
0.1
0
Differential Input Voltage vs. R1
R2 ^{= 100 kΩ}
R2 ^{= 300 kΩ}
R2 ^{= ∞}
Ta = 25°C
V_CC = 5 V
100Ω
V_CC
R1 ^R2
V_DIFF
R1 _R2
5
10
15
R1 (kΩ)
Figure 4 R₁, R₂ vs. Differential Input Voltage
10