C8051F97X View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

C8051F97X

Low Power Capacitive Sensing MCU with up to 32 kB of Flash

Silicon Laboratories 

Table 1.11. ADC0 Electrical Characteristics

VDD = 1.8 to 3.6 V V, VREF = 1.65 V (REFSL[1:0] = 11), –40 to +85 °C unless otherwise specified.

Parameter

Conditions

DC Accuracy

Min

Typ Max

Resolution

10

Integral Nonlinearity

Differential Nonlinearity

(Guaranteed Monotonic)

—

±0.5

±1

—

±0.5

±1

Offset Error

Full Scale Error

—

±<1

±2

—

±1

±2.5

Dynamic Performance (10 kHz sine-wave single-ended input, 1 dB below Full Scale, 300 ksps)

Signal-to-Noise Plus Distortion

Signal-to-Distortion

62

65

—

—

70

—

Spurious-Free Dynamic Range

Conversion Rate

—

72

—

SAR Conversion Clock

—

—

8.33

Conversion Time in SAR Clocks

10-bit Mode

8-bit Mode

13

—

—

11

—

—

Track/Hold Acquisition Time

Throughput Rate

1.5

—

—

—

—

300

Analog Inputs

ADC Input Voltage Range

Single Ended (AIN+ – GND)

0

Absolute Pin Voltage with respect to

Single Ended

0

GND

— VREF

—

VDD

Sampling Capacitance

Input Multiplexer Impedance

1x Gain

0.5x Gain

—

28

—

—

26

—

—

5

—

Power Specifications

Power Supply Current 

(VDD supplied to ADC0)

Power Supply Rejection

Conversion Mode (300 ksps)

—

800

—

Tracking Mode (0 ksps)

—

680

—

External VREF

—

76

—

Units

bits

LSB

LSB

LSB

LSB

dB

dB

dB

MHz

clocks

µs

ksps

V

V

pF

k

µA

dB

19

Rev 1.1

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