C8051F98X View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

MFG CO.

C8051F98X

Ultra Low Power, 8-2 kB Flash, Capacitive Sensing MCU

Silicon Laboratories 

C8051F99x-C8051F98x

Table 4.10. ADC0 Electrical Characteristics (Continued)

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

Parameter

Analog Inputs

Conditions

Min Typ Max Units

ADC Input Voltage Range

Single Ended (AIN+ – GND)

0

Absolute Pin Voltage with respect

Single Ended

0

to GND

Sampling Capacitance

1x Gain

—

0.5x Gain

— VREF

V

— VDD

V

16

—

pF

13

Input Multiplexer Impedance

—

5

—

k

Power Specifications

Power Supply Current 

(VDD supplied to ADC0)

Normal Power Mode:

Conversion Mode (300 ksps) —

650

—

µA

Tracking Mode (0 ksps)

—

740

—

Low Power Mode:

Conversion Mode (150 ksps) —

370

—

Tracking Mode (0 ksps)

—

400

—

Power Supply Rejection

Internal High Speed VREF

—

67

—

dB

External VREF

—

74

—

1. INL and DNL specifications for 12-bit mode do not include the first or last four ADC codes.

2. The maximum code in 12-bit mode is 0xFFFC. The Full Scale Error is referenced from the maximum code.

3. Performance in 8-bit mode is similar to 10-bit mode.

Table 4.11. Temperature Sensor Electrical Characteristics

VDD = 1.8 to 3.6 V, –40 to +85 °C unless otherwise specified.

Parameter

Conditions

Min

Linearity

—

Slope

—

Slope Error*

—

Offset

Temp = 25 °C

—

Offset Error*

Temp = 25 °C

—

Temperature Sensor Turn-On

—

Time

Supply Current

—

*Note: Represents one standard deviation from the mean.

Typ

±1

3.40

40

1025

18

1.7

Max

—

—

—

—

—

—

Units

°C

mV/°C

µV/°C

mV

mV

µs

35

—

µA

58

Rev. 1.0

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