HD404324 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HD404324

4-Bit Microcontroller

Hitachi -> Renesas Electronics 

HD404328 Series

A/D Converter Characteristics (HD404324, HD404326, HD404328: VCC = 2.7 V to 6.0 V, AVSS = 0.0

V, Ta = –20°C to +75°C; HD404324U, HD404326U, HD404328U: VCC = 2.7 V to 6.0 V, AVSS = 0.0 V,

Ta = –40 °C to +85°C; HD4074329, HD4074329U: VCC = 2.9 V to 5.5 V, AVSS = 0.0 V, Ta = –20°C to

+75°C; unless otherwise specified)

Item

Symbol Pin(s)

Min

Typ Max

Unit Test Conditions

Analog power

voltage

AVCC

AVCC

VCC – 0.3 VCC VCC + 0.3 V

Analog input voltage AVin

Current between IAD

AVCC and AVSS

Analog input

CAin

capacitance

AN0–AN3

—

AN0–AN3

AVSS

—

—

— AVCC

50 —

30 —

V

µA VCC = AVCC = 5.0 V

pF

Resolution

8

88

Bit

Number of inputs

0

—4

Cha

nnel

Absolute accuracy

—

— ±2.0

LSB

Conversion period

34

— 67

tcyc

Analog input

impedance

AN0–AN3

1

——

MΩ f = 1 MHz,

Vin = 0.0 V

Note: * Operating frequency of A/D conversion fOSC is from 1 (MHz) to 4.5 (MHz).

Note

*

Zero-Crossing Detection Circuit Characteristics

Low Sensitivity Mode (HD404324, HD404324U, HD404326, HD404326U, HD404328, HD404328U:

VCC = 2.7 V to 6.0 V, GND = 0.0 V, Ta = 0°C to +70°C; HD4074329, HD4074329U: VCC = 3.0 V to 5.5

V, GND = 0.0 V, Ta = 0°C to +70°C; unless otherwise specified)

Item

Zero-crossing

detection input

voltage

Zero-crossing

detection

accuracy

Symbol Pin

VZC

ZCD

VAZC

Zero-crossing fZC

detection input

frequency

Min

Typ Max

Unit Test Conditions Note

2.0

— 3.0

VP-P AC connection,

C = 0.1 µF

—

— ±750

mV fZC = 50/60 Hz Refer to

(sine wave),

figure

48

fOSC = 4 MHz

45

— 250

Hz

83

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