Datasheet
DC Electrical Characteristics: Fast Comparator
(V
DD
= 2.85V to 3.63V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
DD
= 3.3V, T
A
= +25°C.) (Note 1)
DC Electrical Characteristics: ADC
(V
DD
= 2.85V to 3.63V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
DD
= 3.3V, T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Fast Comparator Resolution FC
R
10 Bits
Fast Comparator Internal Reference
Accuracy
FC
REFTC
±0.2 %
Fast Comparator Operating Current I
FASTCOMP
See the DC Electrical
Characteristics
mA
Fast Comparator Full Scale V
FS-COMP
T
A
= +25°C 2.42 V
Fast Comparator Integral Nonlinearity INL
Differential mode, 2.2nF capacitor
at input (Note 7)
±2 LSB
Fast Comparator Differential
Nonlinearity
DNL
Differential mode, 2.2nF capacitor
at input (Note 8)
±0.5 LSB
Fast Comparator Offset
V
OFFSET-
COMP
±2 LSB
Fast Comparator Input Impedance R
IN-COMP
15 MΩ
Fast Comparator Input Capacitance C
IN-COMP
4 pF
Fast Comparator Sample Rate f
COMP
625 ksps
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
ADC Resolution ADC
R
V
FS
≥ 1.2V (Note 9) 13 Bits
ADC Internal Reference Accuracy ADC
REFACC
-0.85 +0.85 %
Reference Output Accuracy REFOUT
10kΩ < REFOUT load,
C
MAX
= 2.2nF
1.214 1.225 1.236 V
ADC Operating Current I
ADC
See the DC Electrical
Characteristics
mA
ADC Full-Scale 1 V
FS-ADC1
Factory calibrated 1.2 V
ADC Full-Scale 2 V
FS-ADC2
Factory calibrated 0.6 V
ADC Full-Scale 3 V
FS-ADC3
Factory calibrated 2.4 V
ADC Full-Scale 4 V
FS-ADC4
Factory calibrated 6.55 V
ADC Integral Nonlinearity ADCINL
13-bit, T
A
= +25°C, V
DD
= 3.3V,
V
FS-ADC3
(Note 10)
±3 LSB
ADC Differential Nonlinearity ADCDNL V
FS
≥ 1.2V ±0.5 LSB
ADC Sample-Sample Deviation ADC full scale set to V
FS-ADC3
±2 LSB
ADC Offset V
OFFSET-ADC
13-bit, V
FS
≥ 1.2V -8 +1 +8 LSB
ADC[15:0] Input Resistance R
IN-ADC
15 MΩ
ADC Sample Rate f
SAMPLE
(Note 11) 40 ksps
ADC Temperature Conversion Time t
TEMP
With default ADC clock 41 µs
Internal Temperature Measurement
Error
TINT
ERR
(Note 12) ±2 °C
DS4830A Optical Microcontroller
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