TC1031_05 Datasheet, PDF (3/14 Pages) Microchip Technology – Linear Building Block - Low Power Voltage Reference with Programmable Hysteresis Comparator and Shutdown

TC1031
TC1031 ELECTRICAL SPECIFICATIONS (CONTINUED)
Electrical Characteristics: Typical values apply at 25°C and V_DD = 3.0V; T_A = -40° to +85°C, and V_DD = 1.8V to 5.5V, unless
otherwise specified.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
Voltage Reference
V_REF
Reference Voltage
1.176
1.200 1.224
V
I_REF(SOURCE) Source Current
50
—
—
μA
I_REF(SINK)
Sink Current
50
—
—
μA
R_OUT (SD) Output Resistance in Shutdown
20
—
—
MΩ SHDN = V_SS
C_OUT (SD) Output Capacitance in Shutdown
—
—
5
pF SHDN = V_SS
T_SEL
Select Time
—
200
—
μsec REF Valid from SHDN = V_IH
R_L = 100kΩ to V_SS
T_DESEL
Deselect Time
—
10
—
μsec REF Invalid from SHDN = V_IL
R_L = 100kΩ
C_L(REF)
Load Capacitance
—
—
100
pF
E_VREF
Voltage Noise
—
20
—
μV_RMS 100Hz to 100kHz
e_VREF
Noise Density
—
10
—
μV/√Hz 1kHz
Note 1: V_OS is measured as (V_UT + V_LT – 2V_REF)/2 where V_UT is the upper hysteresis threshold and V_LT is the lower hysteresis threshold with
V_REF – V_HYST set to 10mV. This represents the asymmetry of the hysteresis thresholds around V_REF
© 2005 Microchip Technology Inc.
DS21342C-page 3