Silicon Laboratories C8051F347 - Manual (Page 56)

C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
56 Rev. 1.3
Table 5.1. ADC0 Electrical Characteristics
V
DD
= 3.0 V, VREF = 2.40 V, –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 –15 0 +15 LSB
Full Scale Error –15 –1 +15 LSB
Offset Temperature Coefficient 10 ppm/°C
Dynamic Performance (10 kHz sine-wave Single-ended input, 1 dB below Full Scale, 200 ksps)
Signal-to-Noise Plus Distortion 51 52.5 dB
Total Harmonic Distortion Up to the 5
th
harmonic –67 dB
Spurious-Free Dynamic Range 78 dB
Conversion Rate
SAR Conversion Clock 3 MHz
Conversion Time in SAR Clocks 10 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
V
Absolute Pin Voltage with respect
to GND
Single Ended or Differential 0 V
DD
V
Input Capacitance 5 pF
Temperature Sensor
Linearity
1 ±0.1 °C
Gain 2.86 mV/°C
Gain Error
2 ±33.5 µV/ºC
Offset
1 (Temp = 0 °C) 776 mV
Offset Error
2 ±8.51 mV
Power Specifications
Power Supply Current (V
DD
sup-
plied to ADC0)
Operating Mode, 200 ksps 400 900 µA
Power Supply Rejection ±0.3 mV/V
Notes:
1. Includes ADC offset, gain, and linearity variations.
2. Represents one standard deviation from the mean.