Silicon Laboratories C8051F347 ADC0 Electrical Characteristics, Conversion Rate, Analog Inputs

C8051F340/1/2/3/4/5/6/7

Table 5.1. ADC0 Electrical Characteristics

VDD = 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			0		LSB
Full Scale Error			-1		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 5th 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)	0		VREF	V
	Differential (AIN+ – AIN–)	–VREF		VREF	V
Absolute Pin Voltage with respect	Single Ended or Differential	0		VDD	V
to GND
Input Capacitance			5		pF
	Temperature Sensor
Linearity1			±0.1		°C
Slope2			TBD		mV / °C
			±TBD
Offset1,2	(Temp = 0 °C)		TBD		mV
			±TBD
	Power Specifications
Power Supply Current (VDD sup-	Operating Mode, 200 ksps		400	900	µA
plied to ADC0)
Power Supply Rejection			±0.3		mV/V

Notes:

1.Includes ADC offset, gain, and linearity variations.

2.Represents mean ± one standard deviation.

56 Rev. 0.5