PIC16F1937-ESS 查看數據表（PDF） - Microchip Technology

零件编号

产品描述 (功能)

生产厂家

PIC16F1937-ESS

28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP™ Technology

Microchip Technology 

PIC16F193X/LF193X

TABLE 28-10: COMPARATOR SPECIFICATIONS

Operating Conditions: 1.8V < VDD < 5.5V, -40°C < TA < +125°C (unless otherwise stated).

Param

No.

Sym.

Characteristics

Min. Typ. Max. Units Comments

CM01

VIOFF Input Offset Voltage

—

±7.5

±15

mV

CM02

VICM

Input Common Mode Voltage

0

—

VDD

V

CM03

CMRR Common Mode Rejection Ratio

55

—

—

dB

CM04

CM05

TRESP

TMC2OV

Response Time

Comparator Mode Change to

Output Valid*

—

150

400

ns Note 1

—

—

10

μs

* These parameters are characterized but not tested.

Note 1: Response time measured with one comparator input at VDD/2, while the other input transitions

from VSS to VDD.

TABLE 28-11: DIGITAL-TO-ANALOG CONVERTER (DAC) SPECIFICATIONS

Operating Conditions: 1.8V < VDD < 5.5V, -40°C < TA < +125°C (unless otherwise stated).

Param

No.

Sym.

Characteristics

Min. Typ. Max. Units

DAC01* CLSB

Step Size(2)

— VDD/32 —

V

DAC02* CACC Absolute Accuracy

—

— ± 1/2 LSb

DAC03* CR

DAC04* CST

Unit Resistor Value (R)

Settling Time(1)

— TBD —

Ω

—

—

10

μs

* These parameters are characterized but not tested.

Legend: TBD = To Be Determined

Note 1: Settling time measured while DACR<4:0> transitions from ‘0000’ to ‘1111’.

Comments

TABLE 28-12: FIXED VOLTAGE REFERENCE (FVR) SPECIFICATIONS

Operating Conditions: 1.8V < VDD < 5.5V, -40°C < TA < +125°C (unless otherwise stated).

VR Voltage Reference Specifications

Standard Operating Conditions (unless otherwise stated)

Operating temperature -40°C ≤ TA ≤ +85°C

Param

No.

Sym.

VR01 VFVR

Characteristics

Fixed Voltage Reference

Voltage

(calibrated)

Min. Typ.

0.984

0.974

1.968

1.938

3.966

3.936

1.024

2.048

4.096

VR02 TCVOUT Voltage drift temperature

coefficient

—

TBD

VR03 ΔVROUT/ Voltage drift with respect to

ΔVDD VDD regulation

—

TBD

VR04 TSTABLE Settling Time

—

TBD

Legend: TBD = To Be Determined

* These parameters are characterized but not tested.

Max. Units

Comments

1.064

1.064

2.158

2.148

4.226

4.226

TBD

V FVRV = 00 (1x), VDD ≥ 2V

125°C

FVRV = 01 (2x), VDD ≥

2.5V

125°C

FVRV = 10 (4x), VDD ≥

4.75V

125°C

ppm/°C

—

μV/V

TBD

μs

DS41364B-page 380

Preliminary

© 2009 Microchip Technology Inc.

Share Link: