PIC16F688T-E/ML 데이터 시트보기 (PDF) - Microchip Technology

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PIC16F688T-E/ML

14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

Microchip Technology 

PIC16F688

TABLE 14-8: PIC16F688 A/D CONVERTER (ADC) CHARACTERISTICS

Standard Operating Conditions (unless otherwise stated)

Operating temperature -40°C ≤ TA ≤ +125°C

Param

No.

Sym

Characteristic

Min Typ†

Max Units

Conditions

AD01 NR Resolution

—

—

10 bits bit

AD02 EIL Integral Error

—

—

±1

LSb VREF = 5.12V

AD03 EDL Differential Error

—

—

±1 LSb No missing codes to 10 bits

VREF = 5.12V

AD04 EOFF Offset Error

—

—

±1

LSb VREF = 5.12V

AD07 EGN Gain Error

—

—

AD06 VREF Reference Voltage(1)

2.2

—

AD06A

2.7

±1

LSb VREF = 5.12V

—

V

VDD

Absolute minimum to ensure 1 LSb

accuracy

AD07 VAIN Full-Scale Range

VSS

—

VREF

V

AD08 ZAIN Recommended

—

—

10

kΩ

Impedance of Analog

Voltage Source

AD09* IREF VREF Input Current(1)

10

—

1000 μA During VAIN acquisition.

Based on differential of VHOLD to VAIN.

—

—

50

μA During A/D conversion cycle.

* These parameters are characterized but not tested.

† Data in “Typ” column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance

only and are not tested.

Note 1: ADC VREF is from external VREF or VDD pin, whichever is selected as reference input.

DS41203D-page 160

© 2007 Microchip Technology Inc.

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