C8051F336/7/8/9
32
Rev.1.0
Table 6.8. ADC0 Electrical Characteristics
VDD = 3.0 V, VREF = 2.40 V (REFSL=0), –40 to +85 °C unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
DC Accuracy
Resolution
10
bits
Integral Nonlinearity
—
±0.5
±1
LSB
Differential Nonlinearity
Guaranteed Monotonic
—
±0.5
±1
LSB
Offset Error
–12
3
12
LSB
Full Scale Error
–5
1
5
LSB
Offset Temperature Coefficient
—
3
—
ppm/°C
Dynamic performance (10 kHz sine-wave single-ended input, 1 dB below Full Scale, 200 ksps)
Signal-to-Noise Plus Distortion
53
58
—
dB
Total Harmonic Distortion
Up to the 5th harmonic
—
–75
—
dB
Spurious-Free Dynamic Range
—
75
—
dB
Conversion Rate
SAR Conversion Clock
—
3.125
MHz
Conversion Time in SAR Clocks
13
—
clocks
Track/Hold Acquisition Time
300
—
ns
Throughput Rate
—
200
ksps
Analog Inputs
ADC Input Voltage Range
Single Ended (AIN+ – GND)
Differential (AIN+ – AIN–)
0
–VREF
—VREF
VREF
V
Absolute Pin Voltage with respect
to GND
Single Ended or Differential
0
—
VDD
V
Sampling Capacitance (CSAMPLE)—
5
—
pF
Input Multiplexer Impedance
(RMUX)
—5
—
k
Ω
Power Specifications
Power Supply Current
(VDD supplied to ADC0)
Operating Mode, 200 ksps
—
500
900
A
Power Supply Rejection
—
3
—
mV/V