UPD75048CW 查看數據表（PDF） - NEC => Renesas Technology

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UPD75048CW

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75048

A/D CONVERTER (Ta = -10 to +70°C, VDD = 2.7 to 6.0V, AVSS = VSS = 0V)

Parameter

Symbol

Conditions

MIN. TYP. MAX. Unit

Resolution

8

8

8

bit

Absolute Accuracy*1

2.5V ≤ AVREF ≤ VDD

±1.5 LSB

Conversion Time*2

tCONV

168/fX µs

Sampling Time*3

tSAMP

44/fX µs

Analog Input Voltage

VIAN

AVREF-

AVREF+

V

Analog Supply Voltage

AVDD

2.5

VDD

V

Reference Input Voltage

AVREF+

2.5V ≤ (AVref+) – (AVref-)

2.5

AVDD

V

Reference Input Voltage

AVREF-

2.5V ≤ (AVref+) – (AVref-)

0

1.0

V

Analog Input Impedance

RAN

1000

MΩ

AVREF Current

AIREF

0.25 2.0 mA

*1: Absolute accuracy excluding quantization error (± 1–2 LSB)

2: Time since execution of conversion start instruction until end of conversion (EOC = 1) (40.1 µs: fX

= 4.19 MHz)

3: Time since execution of conversion start instruction until end of sampling (10.5 µs: fX = 4.19 MHz)

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