FT930Q-R datasheet(50/65 Pages) BRIDGETEK

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FT93x Datasheet Embedded Microcontroller Datasheet

Version 1.5

Document Reference No.: BRT_000051

Clearance No.: BRT#049

5.4

8-bit ADC Converter

Electrical characteristics of ADC I/O cells

Electrical Characteristics (Ambient Temperature = -40°C to +85°C). The typical values are obtained at room

temperature (Tj = 25°C), VCC3V3 = 3.3V, and VCC1V2 = 1.2V.

Parameter

Description

Minimum

Typical

Maximum

Units

Conditions

VCC3V3A

Analog power supply

voltage

2.97

3.3

3.63

Normal operation

XAIN

Analog input range

VCC3V3A

RES

Resolution

Bit

INL

Integral nonlinearity

error

-1

LSB

Rail-to-Rail

VCC3V3A

reference

DNL

Differential

nonlinearity error

-1

LSB

Rail-to-Rail

VCC3V3A

reference

Xsampleclk

Sample rate

480

kSPS

Table 5-11 ADC Characteristics

5.5

10-bit DAC Converter

Electrical characteristics of DAC I/O cells

Electrical Characteristics (Ambient Temperature = -40°C to +85°C). The typical values are obtained at

room temperature (Tj = 25°C), VCC3V3 = 3.3V, and VCC1V2 = 1.2V.

Parameter

Description

Minimum

Typical

Maximum

Units

Conditions

VCC3V3A

DAC power supply

voltage

2.97

3.3

3.63

Normal Operation

VREFP

Reference voltage

VCC3V3A

DAC_VREFP

positive reference

RES

Resolution

Bits

INL

Integral nonlinearity

error

-1.5

1.5

LSB

VREFP = 3.2V

code 8 ~ 1023

DNL

Differential

nonlinearity error

-1

LSB

VREFP = 3.2V

code 0 ~ 1023

Conversion latency

Clock

cycle

CLOAD

Output load: rated

capacitance

RLOAD

Output load: rated

resistance

6.7

KΩ

Table 5-12 DAC Characteristics

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