3886 datasheet(300/380 Pages) RENESAS

300 / 380 page

3886 Group User’s Manual

APPENDIX

3-7

3.1 Electrical characteristics

3.1.4 A-D converter characteristics

bit

LSB

2tc(XIN)

Ω

µA

Resolution

Absolute accuracy (excluding quantization error)

Conversion time

Ladder resistor

Reference power

source input current

A-D port input current

Min.

Typ.

150

Max.

±4

100

200

5.0

VCC = VREF = 5.0 V

VREF = 5.0 V

Table 3.1.7 A-D converter characteristics (1)

(VCC = 2.7 to 5.5 V, VCC = 4.0 to 5.5 V for flash memory version, VREF = 2.0 V to VCC, VSS = AVSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)

10-bit A-D mode (when conversion mode selection bit (bit 7 of address 003816) is “0”)

Unit

Limits

Parameter

–

tCONV

RLADDER

IVREF

II(AD)

Test conditions

at A-D converter operated

at A-D converter stopped

Note 1: Using one D-A converter, with the value in the D-A conversion register of the other D-A converter being “0016”.

Table 3.1.10 Comparator characteristics

(VCC = 2.7 to 5.5 V, VCC = 4.0 to 5.5 V for flash memory version, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)

Table 3.1.8 A-D converter characteristics (2)

(VCC = 2.7 to 5.5 V, VCC = 4.0 to 5.5 V for flash memory version, VREF = 2.0 V to VCC, VSS = AVSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)

8-bit A-D mode (when conversion mode selection bit (bit 7 of address 003816) is “1”)

Table 3.1.9 D-A converter characteristics

(VCC = 2.7 to 5.5 V, VCC = 4.0 to 5.5 V for flash memory version, VREF = 2.7 V to VCC, VSS = AVSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)

Symbol

bit

LSB

2tc(XIN)

Ω

µA

Resolution

Absolute accuracy (excluding quantization error)

Conversion time

Ladder resistor

Reference power

source input current

A-D port input current

Min.

Typ.

150

Max.

±2

100

200

5.0

VCC = VREF = 5.0 V

VREF = 5.0 V

Unit

Limits

Parameter

–

tCONV

RLADDER

IVREF

II(AD)

Test conditions

at A-D converter operated

at A-D converter stopped

Symbol

Bits

µs

Ω

Resolution

Absolute accuracy

Setting time

Output resistor

Reference power source input current (Note 1)

Min.

Typ.

2.5

Max.

1.0

2.5

3.2

Unit

Limits

Parameter

–

tsu

IVREF

Test conditions

VCC = 4.0 to 5.5 V

VCC = 2.7 to 4.0 V

Symbol

LSB

µs

µA

Ω

Absolute accuracy

Conversion time

Analog input voltage

Analog input current

Ladder resistor

Internal reference voltage

External reference input voltage

Min.

VCC/32

Typ.

29VCC

/32

Max.

1/2

2.8

3.5

VCC

5.0

VCC

Unit

Limits

Parameter

–

TCONV

VIA

IIA

RLADDER

CMPREF

Test conditions

Symbol

1LSB = VCC/16

at 10 MHz operating

at 8 MHz operating

at 4 MHz operating

3.1.5 D-A converter characteristics

3.1.6 Comparator characteristics

3886 Datasheet(PDF) 300 Page - Renesas Technology Corp

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