71m6403 Teridian Semiconductor Corporation, 71m6403 Datasheet - Page 67

• Manufacturer Part Number: 71m6403
• Description: Electronic Trip Unit
• Manufacturer: Teridian Semiconductor Corporation

VREF, VBIAS
Unless otherwise specified, VREF_DIS=0
Page: 67 of 75
FOOTNOTE
1
VREF
PARAMETER
VREF output voltage, VNOM(25)
VREF chop step
VREF output impedance
VNOM definition
VREF temperature coefficients
VREF(T) deviation from VNOM(T)
VBIAS output voltage
VBIAS output impedance
This relationship describes the nominal behavior of VREF at different temperatures.
TC1 (linear)
TC2 (quadratic)
(
T
VNOM
)
−
VNOM
1
(
T
)
max(|
T
10
−
6
22
|,
40
)
©
2006 TERIDIAN Semiconductor Corporation
Ta = 22ºC
CAL =1,
I
VNOM(T) = VREF(22) + (T–22)TC1 + (T–22)
Ta = -40ºC to +85ºC
Ta = 25ºC
Ta = -40ºC to 85ºC
I
LOAD
LOAD
= 10µA, -10µA
= 1mA, -1mA
CONDITION
Electronic Trip Unit
1.193
(-1%)
(-2%)
MIN
-40
-0.341
-6.68
1.195
TYP
240
1.6
1.6
2
TC2
(+1%)
(+2%)
1.197
MAX
+40
500
2.5
40
71M6403
SEPTEMBER 2006
ppm/ºC
µV/°C
µV/ºC
UNIT
mV
kΩ
Ω
V
V
V
V
REV 1.0
2