C8051F040 View Datasheet(PDF) - Silicon Laboratories
Part Name
Description
MFG CO.
'C8051F040' PDF : 328 Pages View PDF
C8051F040/1/2/3/4/5/6/7
Table 5.2. 12-Bit ADC0 Electrical Characteristics
VDD = 3.0 V, AV+ = 3.0 V, VREF = 2.40 V (REFBE = 0), PGA Gain = 1, –40 to +85 °C unless otherwise specified.
Parameter
DC Accuracy
Conditions
Min Typ Max
Units
Resolution
12
bits
Integral Nonlinearity
—
—
±1
LSB
Differential Nonlinearity
Offset Error
Guaranteed Monotonic
Note 1
—
—
±1
LSB
— 0.5±3 —
LSB
Full Scale Error
Differential mode; See Note 1 — 0.4±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 5th harmonic
— –75 —
dB
Spurious-Free Dynamic Range
— 80 —
dB
Conversion Rate
Maximum SAR Clock Frequency
Conversion Time in SAR Clocks
—
— 2.5
16
—
—
MHz
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
Nonlinearity
Absolute Accuracy
Notes 1, 2
Notes 1, 2
— ±1 —
°C
— ±3 —
°C
Gain
Notes 1, 2
—
2.86
±0.034
—
mV/°C
Offset
Notes 1, 2 (Temp = 0 °C)
—
0.776
±0.009
—
V
Power Specifications
Power Supply Current (AV+ sup-
plied to ADC)
Operating Mode, 100 ksps
— 450 900
µA
Power Supply Rejection
— ±0.3 —
mV/V
Notes:
1. Represents one standard deviation from the mean.
2. Includes ADC offset, gain, and linearity variations.
Rev. 1.5
67
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