7540 datasheet(229/366 Pages) RENESAS

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3-7

REJ09B0018-0200Z

Rev.2.00

Jun 21, 2004

7540 Group

APPENDIX

3.1 Electrical characteristics

(4) A/D Converter Characteristics (General purpose)

Table 3.1.6

A/D Converter characteristics

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

Resolution

Linearity error

Differential nonlinear error

Zero transition voltage

Full scale transition voltage

Conversion time

Ladder resistor

Reference power source input current

A/D port input current

Resolution

Linearity error

Differential nonlinear error

Zero transition voltage

Full scale transition voltage

Conversion time

Ladder resistor

Reference power source

input current

A/D port input current

Min.

Typ.

Max.

Symbol

Parameter

Limits

Unit

Test conditions

VCC = 2.7 to 5.5 V

Ta = 25 °C

VCC = 2.7 to 5.5 V

Ta = 25 °C

VCC = VREF = 5.12 V

VCC = VREF = 3.072 V

VCC = VREF = 5.12 V

VCC = VREF = 3.072 V

VREF = 5.0 V

VREF = 3.0 V

VCC = 2.7 to 5.5 V

Ta = 25 °C

VCC = 2.7 to 5.5 V

Ta = 25 °C

VCC = VREF = 5.12 V

VCC = VREF = 3.072 V

VCC = VREF = 5.12 V

VCC = VREF = 3.072 V

VREF = 5.0 V

VREF = 3.0 V

Bits

LSB

tc(XIN)

Ω

µA

Bits

LSB

tc(XIN)

Ω

µA

±3

±0.9

5125

3075

122

200

120

5.0

±3

±1.5

5150

3090

122

200

120

5.0

—

VOT

VFST

tCONV

RLADDER

IVREF

II(AD)

—

VOT

VFST

tCONV

RLADDER

IVREF

II(AD)

5115

3069

150

5125

3075

150

5105

3060

5105

3060

One Time

PROM version

Mask ROM version

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