C8051F040/1/2/3/4/5/6/7
Rev. 1.5 89
Table 6.2. 10-Bit ADC0 Electrical Characteristics
V
DD
= 3.0 V, AV+ = 3.0 V, V
REF
= 2.40 V (REFBE = 0), PGA Gain = 1, –40 to +85 °C unless otherwise specified.
Parameter Conditions Min Typ Max Units
DC Accuracy
Resolution 10 bits
Integral Nonlinearity ——±1 LSB
Differential Nonlinearity Guaranteed Monotonic ——±1 LSB
Offset Error —0.2±1— LSB
Full Scale Error Differential mode —0.1±1— 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 59 — — dB
Total Harmonic Distortion
Up to the 5
th
harmonic
—–70— dB
Spurious-Free Dynamic Range —80— dB
Conversion Rate
SAR Clock Frequency ——2.5MHz
Conversion Time in SAR Clocks 16 — — clocks
Track/Hold Acquisition Time 1.5 — — µs
Throughput Rate ——100ksps
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
1,2
—±1— °C
Absolute Accuracy
1,2
—±3— °C
Gain
1,2
—2.86
±0.034
—mV/°C
Offset
1,2
Temp = 0 °C
—0.776
±0.009
—V
Power Specifications
Power Supply Current
(AV+ supplied to ADC)
Operating Mode, 100 ksps
—450900 µA
Power Supply Rejection —±0.3— mV/V
Notes:
1. Re
presents one standard deviation from the mean.
2. Inclu
des ADC offset, gain, and linearity variations.
