C8051F045 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

C8051F045

Mixed Signal ISP Flash MCU Family

Silicon Laboratories 

C8051F040/1/2/3/4/5/6/7

Table 7.2. ADC2 Electrical Characteristics

VDD = 3.0 V, AV+ = 3.0 V, VREF2 = 2.40 V (REFBE = 0), PGA2 = 1, –40 to +85 °C unless otherwise specified.

Parameter

Conditions

Min Typ Max Units

DC Accuracy

Resolution

8

bits

Integral Nonlinearity

—

—

±1

LSB

Differential Nonlinearity

Guaranteed Monotonic

—

—

±1

LSB

Offset Error

— 0.5±0.3 —

LSB

Full Scale Error

Differential mode

— –1±0.2 —

LSB

Dynamic Performance (10 kHz sine-wave input, 0 to 1 dB below Full Scale, 500 ksps)

Signal-to-Noise Plus Distortion

45

47

—

dB

Total Harmonic Distortion

Up to the 5th harmonic

—

–51

—

dB

Spurious-Free Dynamic Range

—

52

—

dB

Conversion Rate

SAR Conversion Clock 

Frequency

—

—

6

MHz

Conversion Time in SAR Clocks

8

—

—

clocks

Track/Hold Acquisition Time

300

—

—

ns

Throughput Rate

—

—

500

ksps

Analog Inputs

Input Voltage Range

Single-ended

0

— VREF

V

Common Mode Range

0

—

AV+

V

Input Capacitance

—

5

—

pF

Power Specifications

Power Supply Current

(AV+ supplied to ADC2)

Operating Mode, 500 ksps

—

420 900

µA

Power Supply Rejection

—

±0.3

—

mV/V

Rev. 1.5

103

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