TC1031(2002) 查看數據表（PDF） - Microchip Technology

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TC1031
(Rev.:2002)

Linear Building Block – Low Power Voltage Reference with Programmable Hysteresis Comparator and Shutdown

Microchip Technology 

TC1031

TC1031 ELECTRICAL SPECIFICATIONS (CONTINUED)

Electrical Characteristics: Typical values apply at 25°C and VDD = 3.0V; TA = -40° to +85°C, and VDD = 1.8V to 5.5V, unless

otherwise specified.

Symbol

Parameter

Min

Typ

Max Units

Test Conditions

Voltage Reference

VREF

Reference Voltage

1.176

1.200 1.224

V

IREF(SOURCE) Source Current

50

—

—

µA

IREF(SINK)

Sink Current

50

—

—

µA

ROUT (SD) Output Resistance in Shutdown

20

—

—

MΩ SHDN = VSS

COUT (SD) Output Capacitance in Shutdown

—

—

5

pF SHDN = VSS

TSEL

Select Time

—

200

—

µsec REF Valid from SHDN = VIH

RL = 100kΩ to VSS

TDESEL

Deselect Time

—

10

—

µsec REF Invalid from SHDN = VIL

RL = 100kΩ

CL(REF)

Load Capacitance

—

—

100

pF

EVREF

Voltage Noise

—

20

—

µVRMS 100Hz to 100kHz

eVREF

Noise Density

—

10

—

µV/√Hz 1kHz

Note 1: VOS is measured as (VUT + VLT – 2VREF)/2 where VUT is the upper hysteresis threshold and VLT is the lower hysteresis threshold with

VREF – VHYST set to 10mV. This represents the asymmetry of the hysteresis thresholds around VREF

© 2002 Microchip Technology Inc.

DS21342B-page 3

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