SIM3C134 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

SIM3C134

High-Performance, Low-Power, 32-Bit Precision32™ MCU Family with up to 256 kB of Flash

Silicon Laboratories 

SiM3C1xx

Table 3.10. SAR ADC

Parameter

Symbol

Test Condition

Min Typ Max Unit

Resolution

Nbits

12 Bit Mode

10 Bit Mode

12

Bits

10

Bits

Supply Voltage Requirements

(VDD)

VADC

High Speed Mode

Low Power Mode

2.2

—

3.6

V

1.8

—

3.6

V

Throughput Rate

(High Speed Mode)

fS

12 Bit Mode

—

—

250 ksps

10 Bit Mode

—

—

1

Msps

Throughput Rate

(Low Power Mode)

fS

12 Bit Mode

—

— 62.5 ksps

10 Bit Mode

—

—

250 ksps

Tracking Time

tTRK

High Speed Mode

230 —

—

ns

Low Power Mode

450 —

—

ns

SAR Clock Frequency

fSAR

High Speed Mode

—

— 16.24 MHz

Low Power Mode

—

—

4

MHz

Conversion Time

tCNV

10-Bit Conversion,

SAR Clock = 16 MHz,

APB Clock = 40 MHz

762.5

ns

Sample/Hold Capacitor

CSAR

Gain = 1

Gain = 0.5

—

5

—

pF

—

2.5

—

pF

Input Pin Capacitance

CIN

High Quality Inputs

—

18

—

pF

Normal Inputs

—

20

—

pF

Input Mux Impedance

RMUX

High Quality Inputs

Normal Inputs

— 300 —



— 550 —



Voltage Reference Range

Input Voltage Range1

VREF

VIN

Power Supply Rejection Ratio

DC Performance

Integral Nonlinearity

PSRRADC

INL

Gain = 1

Gain = 0.5

12 Bit Mode2

1

—

VDD

V

0

—

VREF

V

0

— 2xVREF V

—

70

—

dB

—

±1 ±1.9 LSB

10 Bit Mode

— ±0.2 ±0.5 LSB

Notes:

1. Absolute input pin voltage is limited by the lower of the supply at VDD and VIO.

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

3. The maximum code in 12-bit mode is 0xFFFC. The Slope Error is referenced from the maximum code.

Rev.1.0

17

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