C8051F124-GQR Datasheet, PDF (103/350 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
V_DD = 3.0 V, AV+ = 3.0 V, VREF2 = 2.40 V (REFBE = 0), PGA gain = 1, –40 to +85 °C unless otherwise specified.
Parameter
Resolution
Conditions
DC Accuracy
Min Typ Max
8
Units
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
SAR Clock Frequency
Conversion Rate
—
52
—
dB
—
—
6
MHz
Conversion Time in SAR Clocks
8
—
—
clocks
Track/Hold Acquisition Time
300 —
—
ns
Throughput Rate
Input Voltage Range
Analog Inputs
—
—
500
ksps
0
— VREF
V
Input Capacitance
Power Supply Current
(AV+ supplied to ADC2)
Power Supply Rejection
Power Specifications
Operating Mode, 500 ksps
—
5
—
— 420 900
— ±0.3 —
pF
µA
mV/V
Rev. 1.4
103