C8051F124-GQR Datasheet, PDF (72/350 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)
V_DD = 3.0 V, AV+ = 3.0 V, VREF = 2.40 V (REFBE = 0), PGA Gain = 1, –40 to +85 °C unless otherwise specified.
Parameter
Resolution
Conditions
DC Accuracy
Min Typ Max
12
Units
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
SAR Clock Frequency
Conversion Rate
— 80 —
—
—
2.5
dB
MHz
Conversion Time in SAR Clocks
16
—
—
clocks
Track/Hold Acquisition Time
1.5
—
—
µs
Throughput Rate
Input Voltage Range
Analog Inputs
Single-ended operation
—
— 100
ksps
0
— VREF
V
*Common-mode Voltage Range Differential operation
AGND — AV+
V
Input Capacitance
Linearity¹
— 10 —
pF
Temperature Sensor
— ±0.2 —
°C
Offset
(Temp = 0 °C)
— 776 —
mV
Offset Error^{1, 2}
(Temp = 0 °C)
— ±8.5 —
mV
Slope
— 2.86 —
mV / °C
Slope Error²
Power Supply Current
(AV+ supplied to ADC)
Power Supply Rejection
Power Specifications
Operating Mode, 100 ksps
— ±0.034 —
— 450 900
— ±0.3 —
mV / °C
µA
mV/V
Notes:
1. Includes ADC offset, gain, and linearity variations.
2. Represents one standard deviation from the mean.
72
Rev. 1.4