C8051F331 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

C8051F331

Mixed-Signal ISP Flash MCU

Silicon Laboratories 

C8051F330/1/2/3/4/5

Table 5.1. ADC0 Electrical Characteristics

VDD = 3.0 V, VREF = 2.40 V (REFSL=0), –40 to +85 °C unless otherwise specified.

Parameter

Resolution

Conditions

DC Accuracy

Min Typ Max Units

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

53

55.5

—

dB

Total Harmonic Distortion

Up to the 5th harmonic

—

–67

—

dB

Spurious-Free Dynamic Range

SAR Conversion Clock

Conversion Rate

—

78

—

dB

—

—

3

MHz

Conversion Time in SAR Clocks

10

—

— clocks

Track/Hold Acquisition Time

300

—

—

ns

Throughput Rate

Analog Inputs

ADC Input Voltage Range

Single Ended (AIN+ – GND)

Differential (AIN+ – AIN–)

Absolute Pin Voltage with respect

to GND

Single Ended or Differential

Input Capacitance

Temperature Sensor

Linearity

—

—

200

0

—

–VREF

0

—

—

5

VREF

VREF

VDD

—

— ± 0.2 —

ksps

V

V

V

pF

°C

Absolute Accuracy

—

±3

—

°C

Gain

—

2.86

— mV/°C

Gain Error*

— ±33.5 — µV/°C

Offset

Temp = 0 °C

—

776

—

mV

Offset Error*

Power Supply Current 

(VDD supplied to ADC0)

Power Supply Rejection

Power Specifications

Operating Mode, 200 ksps

— ±8.51 —

mV

—

400 900

µA

—

±0.3

—

mV/V

*Note: Represents one standard deviation from the mean.

Rev. 1.7

55

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