CLT3-4B Datasheet, PDF (2/13 Pages) STMicroelectronics – Current limited over-voltage protected quad digital termination

Characteristics
1
Characteristics
CLT3-4B
Figure 2. Functional block diagram
IN1
I1
ESD
OVER
VOLTAGE
PROTECTION
0.75xILIM
0.25xILIM
CURRENT LIMITER ILIM
OPTO COUPLER DRIVER
I1
1.5mA
ESD12
ESD
OVER
VOLTAGE
PROTECTION
IN2
Vc
ESD
Volt Prot
ESDC
IN3
ESD
OVER
VOLTAGE
PROTECTION
ESD34
ESD
OVER
VOLTAGE
PROTECTION
IN4
CURRENT LIMITER ILIM
0.25xILIM
0.75xILIM
I2
1.5mA
I2
OPTO COUPLER DRIVER
BIASING
CIRCUIT
TO COMPARATORS
I3
0.75xILIM
0.25xILIM
CURRENT LIMITER ILIM
OPTO COUPLER DRIVER
I3
1.5mA
CURRENT LIMITER ILIM
0.25xILIM
0.75xILIM
I4
1.5mA
I4
OPTO COUPLER DRIVER
OUT1
COM12
OUT2
COM
OUT3
COM34
OUT4
Table 1. Absolute ratings (limiting values)
Symbol
Parameter
Supply steady state voltage, R_C = 0 kΩ
V_CC
V_C
Supply steady state voltage, R_C = 4.7 kΩ
Input steady state voltage, R_I = 0 kΩ
V_I ⁽¹⁾
Input steady state voltage, R_I = 1.2 kΩ
IN
Input repetitive pulse voltage, R_I = 1.2 kΩ
Input repetitive pulse voltage,
R_I = 1.8 kΩ, R_C = 4.7 kΩ ⁽²⁾
Input maximum forward current,
R_I = 1.2 kΩ, R_C = 4.7 kΩ
I_IN
IN
Input maximum reverse current,
R_I = 1.8 kΩ, R_C = 4.7 kΩ ⁽²⁾
V_OM
OUT Maximum output steady state voltage
I_OM
OUT Output current
T_AMB
T_J
Operating ambient temperature
AII
Operating and storage junction temperature
1. V_I = V_IN + R_I x I_IN; V_IN = voltage at the input pin itself
2. According to test diagram and design recommendations described in Section 2.2.
Value
Unit
- 0.3 to 30 V
- 30 to 30
V
- 0.3 to 30 V
- 0.3 to 32 V
- 0.3 to 35 V
- 30 to 30
V
5
mA
20
mA
2.5
V
- 4 to 4
mA
- 25 to 85 ° C
- 25 to 150 ° C
2/13