71M6403
Electronic Trip Unit
SEPTEMBER 2006
ADC CONVERTER, VDD REFERENCED
FIR_LEN=0, VREF_DIS=0, VDDREFZ=0
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Recommended Input Range
mV
-250
250
(Vin-V3P3A)
peak
THD (First 10 harmonics)
250mV-pk
Vin=65Hz,
64kpts FFT, Blackman-
Harris window
-75
-90
dB
dB
20mV-pk
Input Impedance
Vin=65Hz
40
90
kΩ
Temperature coefficient of Input
Impedance
Vin=65Hz
1.7
Ω/°C
LSB size
355
nV/LSB
LSB
Digital Full Scale
+884736
ADC Gain Error vs
%Power Supply Variation
Vin=200mV pk, 65Hz
V3P3A=3.0v, 3.6V
106 ∆NoutPK 357nV /VIN
100∆V3P3A/3.3
50
10
ppm/%
mV
Input Offset (Vin-V3P3A)
-10
OPTICAL INTERFACE
PARAMETER
OPT_TX VOH (V3P3D-OPT_TX)
CONDITION
ISOURCE=1mA
MIN
TYP
MAX
0.4
UNIT
V
OPT_TX VOL
ISINK=20mA
0.7
V
OPT_RX Vin Threshold
200
250
300
mV
(VinRISING+VinFALLING)/2
OPT_RX Vin Hysteresis
5
1
30
mV
(VinRISING-VinFALLING)
OPT_RX input impedance
|Vin|≤300mV
MΩ
TEMPERATURE SENSOR
PARAMETER
CONDITION
TA=25ºC, TA=75ºC
Nominal relationship:
N(T)= Sn*T+Nn
MIN
TYP
-900
MAX
UNIT
LSB/ºC
Nominal Sensitivity (Sn) 2
Nominal Offset (Nn) 2
400000
LSB
Temperature Error 3
(N(T) − N(25))
ERR = (T − 25) −
TA = -40ºC to +85ºC
-3
3
ºC
Sn
FOOTNOTES
2
This parameter defines a nominal relationship rather than a measured parameter. Correct circuit operation is verified with other specs
that use this nominal relationship as a reference.
31
This parameter is has been verified in production samples, but is not measured in production.
Page: 68 of 75
© 2006 TERIDIAN Semiconductor Corporation
REV 1.0
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
