Table 5.1. ADC0 Electrical Characteristics
VDD = 3.0 V, VREF = 2.40 V (REFSL = 0), PGA Gain = 1, –40 to +85 °C unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
DC Accuracy
Resolution
8
bits
Integral Nonlinearity
—
±0.5
±1
LSB
Differential Nonlinearity
Guaranteed Monotonic
—
±0.5
±1
LSB
Offset Error
–5.0
0.5
5.0
LSB
Full Scale Error
Differential mode
–5.0
–1
5.0
LSB
Dynamic Performance (10 kHz Sine-wave Differential Input, 1 dB below Full Scale, 500 ksps)
Signal-to-Noise Plus Distortion
45
48
—
dB
Total Harmonic Distortion
Up to the 5th harmonic
—
–56
—
dB
Spurious-Free Dynamic Range
—
58
—
dB
Conversion Rate
SAR Conversion Clock
—
6
MHz
Conversion Time in SAR Clocks
11
—
clocks
Track/Hold Acquisition Time
300
—
ns
Throughput Rate
—
500
ksps
Analog Inputs
Input Voltage Range
0
—
VREF
V
Input Capacitance
—
5
—
pF
Temperature Sensor
—
Linearity1,2,3
—
±0.5
—
°C
Gain1,2,3
—
3350
±110
—
V / °C
Offset1,2,3
(Temp = 0 °C)
—
897±31
—
mV
Power Specifications
Power Supply Current
(VDD supplied to ADC0)
Operating Mode, 500 ksps
—
400
900
A
Power Supply Rejection
—
±0.3
—
mV/V
Notes:
1. Represents one standard deviation from the mean.
2. Measured with PGA Gain = 2.
3. Includes ADC offset, gain, and linearity variations.
Rev. 2.9
47
C8051F300/1/2/3/4/5