C8051F120 Datasheet, PDF (74/356 Pages) Silicon Laboratories – Mixed Signal ISP Flash MCU Family

C8051F120/1/2/3/4/5/6/7
C8051F130/1/2/3
Table 5.1. 12-Bit ADC0 Electrical Characteristics (C8051F120/1/4/5)
VDD = 3.0V, AV+ = 3.0V, VREF = 2.40V (REFBE=0), PGA Gain = 1, -40°C to +85°C unless otherwise
specified
Parameter
Conditions
Min Typ Max Units
DC Accuracy
Resolution
12
bits
Integral Nonlinearity
±1 LSB
Differential Nonlinearity
Guaranteed Monotonic
±1 LSB
Offset Error
-3±1
LSB
Full Scale Error
Differential mode
-7±3
LSB
Offset Temperature Coefficient
±0.25
ppm/°C
DYNAMIC PERFORMANCE (10 kHz sine-wave input, 0 to 1 dB below Full Scale, 100 ksps
Signal-to-Noise Plus Distortion
66
dB
Total Harmonic Distortion
Up to the 5^th harmonic
-75
dB
Spurious-Free Dynamic Range
80
dB
Conversion Rate
SAR Clock Frequency
2.5 MHz
Conversion Time in SAR Clocks
16
clocks
Track/Hold Acquisition Time
1.5
µs
Throughput Rate
100 ksps
Analog Inputs
Input Voltage Range
Single-ended operation
0
VREF V
*Common-mode Voltage Range Differential operation
AGND
AV+ V
Input Capacitance
10
pF
Temperature Sensor
Linearity (Note 1)
±0.2
°C
Offset
(Temp = 0 °C)
776
mV
Offset Error (Note 1, Note 2)
(Temp = 0 °C)
±8.5
mV
Slope
2.86
mV / °C
Slope Error (Note 2)
±0.034
mV / °C
Power Specifications
Power Supply Current (AV+ sup- Operating Mode, 100 ksps
plied to ADC)
450 900 µA
Power Supply Rejection
±0.3
mV/V
Note 1: Includes ADC offset, gain, and linearity variations.
Note 2: Represents one standard deviation from the mean.
74
Rev. 1.3