TL1431ACDT STMicroelectronics, TL1431ACDT Datasheet - Page 9

• Manufacturer Part Number: TL1431ACDT
• Description: IC VREF PROGRAMMABLE 8-SOIC
• Manufacturer: STMicroelectronics

Specifications of TL1431ACDT

• Reference Type: Shunt, Adjustable
• Voltage - Output: 2.5 ~ 36 V
• Tolerance: ±0.25%
• Temperature Coefficient: 90ppm/°C
• Number Of Channels: 1
• Current - Cathode: 500µA
• Current - Output: 100mA
• Operating Temperature: -20°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Product: Voltage References
• Topology: Shunt References
• Output Voltage: 2.5 V to 36 V
• Initial Accuracy: 0.25 %
• Average Temperature Coefficient (typ): 90 ppm/C
• Series Vref - Input Voltage (max): 37 V
• Shunt Current (max): 100 mA
• Maximum Operating Temperature: + 70 C
• Input Voltage: 2.5 V
• Minimum Operating Temperature: - 20 C
• Mounting Style: SMD/SMT
• Shunt Current (min): 1 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Input: -
• Current - Quiescent: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-2222-2

TL1431
4
Reference input voltage deviation over temperature range
Temperature coefficient of reference input voltage
Dynamic impedance
Parameter definitions
Δ
the full temperature range.
Figure 21. Reference input voltage deviation over temperature range
The temperature coefficient is defined as the slopes (positive and negative) of the voltage
versus temperature limits within which the reference is guaranteed.
Figure 22. Temperature coefficient of reference input voltage
The dynamic impedance is defined as
V
ref
Δ
is defined as the difference between the maximum and minimum values obtained over
V
ref
= V
V
V
ref max.
ref max.
ref min.
Max
2.5V
min
- V
T1
ref min.
|
25°C
Z
KA
T2
|
=
Δ
--------------- -
Δ
V
I
KA
K
Temperature
Temperature
Parameter definitions
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