C8051F120 Datasheet, PDF (105/356 Pages) Silicon Laboratories – Mixed Signal ISP Flash MCU Family

C8051F120/1/2/3/4/5/6/7
C8051F130/1/2/3
Table 7.1. ADC2 Electrical Characteristics
VDD = 3.0 V, AV+ = 3.0 V, VREF2 = 2.40 V (REFBE = 0), PGA gain = 1, –40°C to +85°C unless
otherwise specified
Parameter
Conditions
Min Typ Max Units
DC Accuracy
Resolution
8
bits
Integral Nonlinearity
±1 LSB
Differential Nonlinearity
Guaranteed Monotonic
±1 LSB
Offset Error
0.5±0.3
LSB
Full Scale Error
Differential mode
-1±0.2
LSB
Offset Temperature Coefficient
10
ppm/°C
DYNAMIC PERFORMANCE (10 kHz sine-wave input, 1 dB below Full Scale, 500 ksps
Signal-to-Noise Plus Distortion
45
47
dB
Total Harmonic Distortion
Up to the 5^th harmonic
51
dB
Spurious-Free Dynamic Range
52
dB
Conversion Rate
SAR Clock Frequency
6 MHz
Conversion Time in SAR Clocks
8
clocks
Track/Hold Acquisition Time
800
ns
Throughput Rate
500 ksps
Analog Inputs
Input Voltage Range
0
VREF V
Input Capacitance
5
pF
Power Specifications
Power Supply Current (AV+ sup- Operating Mode, 500 ksps
plied to ADC2)
420 900 µA
Power Supply Rejection
±0.3
mV/V
Rev. 1.3
105