71M6601-IL Datasheet, PDF (13/19 Pages) Maxim Integrated Products – Isolated Sensor ICs

71M6xxx Data Sheet
4.4.5 VREF Performance Specifications
Table 10 shows the performance specifications for the ADC reference voltage (VREF).
Table 10: VREF Performance Specifications
PARAMETER
CONDITIONS
MIN
TYP
MAX
VREF Output Voltage
VREF Output Impedance
71M6201, 71M6203,
71M6113: T_A = +22°C
71M6601, 71M6603,
71M6103: T_A = +22°C
I_LOAD = 10µA, -10µA
on TMUXOUT
1.193 1.195 1.197
1.180 1.195 1.210
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VREF Power-Supply Sensitivity:
VCC = 2.8V to 3.6V
-1.5
+1.5
ΔVREF/ΔVCC
VCC = 2.5V to 3.6V
-2
+2
VREF Chop Step (Trimmed)
VNOM Definition
VREF(CROSS = 1) -
VREF(CROSS = 0)
-22
0
+22
VNOM(T) = VREF(22) + (T - 22)TC1 + (T - 22)²TC2
71M6201 AND 71M6203 (0.2% ACCURACY CLASS)
VNOM Temperature Coefficients:
TC1, TC2
TC1 = 0.0538 x TRIMT + 1.587(TRIMBGB - TRIMBGD) +
27.279
TC2 = -0.433 - TRIMT x 0.000854
VREF (T ) − VNOM (T ) 10⁶
VREF(T) Deviation from VNOM(T) (Note 1)
-15
+15
VNOM (T )
62
71M6113 (0.5% ACCURACY CLASS)
VNOM Temperature Coefficients:
TC1, TC2
TC1 = 251 - TRIMT x 4.60
TC2 = -0.433 - TRIMT x 0.000854
VREF (T ) −VNOM (T ) 10⁶
VREF(T) Deviation from VNOM(T) (Note 1)
-50
+50
VNOM (T )
62
71M6601, 71M6603, AND 71M6103 (1% ACCURACY CLASS)
VNOM Temperature Coefficients:
TC1, TC2
TC1 = -34.8
TC2 = -0.599
VREF (T ) −VNOM (T ) 10⁶
VREF(T) Deviation from VNOM(T) (Note 1)
-100
VNOM (T )
45
+100
UNITS
V
kΩ
mV/V
mV
V
µV/°C
µV/°C²
ppm/°C
µV/°C
µV/°C²
ppm/°C
µV/°C
µV/°C²
ppm/°C
Note 1: Guaranteed by design; not production tested.
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