DS_6613_018
78M6613 Data Sheet
4.4.6 ADC Converter, V3P3 Referenced
VREF_DIS=0, LSB values do not include the 9-bit left shift at CE input.
Parameter
Condition
Min
Typ
Max
Unit
Recommended Input Range
(Vin-V3P3A)
mV
peak
-250
250
Vin = 200 mV peak,
65 Hz, on A0
Voltage to Current Crosstalk:
-101
101
μV/V
106 *Vcrosstalk
Vcrosstalk = largest
measurement on A1 or
A3
cos(∠Vin − ∠Vcrosstalk)
Vin
THD (First 10 harmonics)
250 mV-pk
20 mV-pk
Vin=65 Hz,
64 kpts FFT, Blackman-
Harris window
dB
dB
-75
-90
Input Impedance
Vin=65 Hz
40
90
kΩ
Temperature coefficient of Input
Impedance
Vin=65 Hz
1.7
Ω/°C
FIR_LEN=0
FIR_LEN=1
357
151
LSB size
nV/LSB
LSB
FIR_LEN=0
FIR_LEN=1
+884736
+2097152
Digital Full Scale
ADC Gain Error vs
%Power Supply Variation
Vin=200 mV pk, 65 Hz
V3P3=3.0V, 3.6V
50
10
ppm/%
mV
106 ∆NoutPK 357nV /VIN
100∆V3P3A/3.3
Input Offset (Vin-V3P3A)
-10
4.4.7 Temperature Sensor
Parameter
Condition
Min
Typ
Max
Unit
FIR_LEN=0
FIR_LEN=1
-669
-1585
Nominal Sensitivity (Sn)
LSB/ºC
FIR_LEN=0
FIR_LEN=1
+429301
+1017558
Nominal (Nn) †
LSB
ºC
Temperature Error
TA = -40ºC to +85ºC
Tn = 25°C
-101
+101
(N(T) − Nn )
ERR = T −
+Tn
Sn
†
Nn is measured at Tn during calibration and is stored in MPU or CE for use in temperature calculations.
1 Guaranteed by design; not production tested.
Rev. 1.1
23