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M38850

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

3850 Group (Spec. H)

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Table 12 A-D converter characteristics

(VCC = 2.7 to 5.5 V, VSS = AVSS = 0 V, Ta = –20 to 85 °C, f(XIN) = 8 MHz, unless otherwise noted)

Symbol

Parameter

Test conditions

Min.

–

Resolution

–

tCONV

Absolute accuracy (excluding quantization error)

Conversion time

High-speed mode,

Middle-speed mode

Low-speed mode

RLADDER

Ladder resistor

IVREF

Reference power source input current VREF “on” VREF = 5.0 V

50

VREF “off”

II(AD)

A-D port input current

Limits

Typ.

40

35

150

0.5

Max.

10

±4

61

200

5.0

5.0

Unit

bit

LSB

2tc(XIN)

µs

kΩ

µA

µA

43

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