7560 datasheet(64/71 Pages) RENESAS

64 / 71 page

Rev.1.02

Jul 31, 2003

page 64 of 69

7560 Group (A version)

Table 19 A-D converter characteristics (1)

(VCC = 2.7 to 5.5 V, VSS = AVSS = 0 V, Ta = –20 to 85°C, f(XIN) = 500 kHz to 10 MHz, in middle/high-speed mode unless otherwise noted)

8-bit A-D mode (when conversion mode selection bit (bit 0 of address 001416) is “1”)

Symbol

Parameter

Limits

Min.

Unit

Typ.

Max.

Test conditions

–

Resolution

Absolute accuracy

(excluding quantization error)

VCC = VREF = 2.7 to 5.5 V

Bits

LSB

150

±2

µS

Conversion time

Ladder resistor

Reference power source input current

–

tCONV

RLADDER

IVREF

kΩ

µA

Table 21 D-A converter characteristics

(VCC = 2.7 to 5.5 V, VCC = VREF, VSS = AVSS = 0 V, Ta = –20 to 85°C, in middle/high-speed mode unless otherwise noted)

Symbol

Parameter

Limits

Min.

Unit

Typ.

Max.

Test conditions

–

Resolution

VCC = VREF = 5 V

VCC = VREF = 2.7 V

Bits

µs

kΩ

2.5

1.0

2.0

Note: Using one D-A converter, with the value in the D-A conversion register of the other D-A converter being “0016”, and excluding currents flowing through

the A-D resistance ladder.

(Note)

Setting time

Output resistor

–

tsu

3.2

Absolute accuracy

Analog port input current

IIA

IVREF

Reference power source input current

100

200

5.0

VREF = 5 V

Table 20 A-D converter characteristics (2)

(VCC = 2.7 to 5.5 V, VSS = AVSS = 0 V, Ta = –20 to 85°C, f(XIN) = 500 kHz to 10 MHz, in middle/high-speed mode unless otherwise noted)

10-bit A-D mode (when conversion mode selection bit (bit 0 of address 001416) is “0”)

12.5

(Note)

Symbol

Parameter

Limits

Min.

Unit

Typ.

Max.

Test conditions

–

Resolution

Absolute accuracy

(excluding quantization error)

VCC = VREF = 2.7 to 5.5 V

Bits

LSB

150

±4

µS

Conversion time

Ladder resistor

Reference power source input current

–

tCONV

RLADDER

IVREF

kΩ

µA

Analog port input current

IIA

µA

100

200

5.0

VREF = 5 V

15.5

(Note)

Note: When the internal trigger is used in the middle-speed mode, the max. value of tCONV is 14 µS.

Note: When the internal trigger is used in the middle-speed mode, the max. value of tCONV is 17 µS.

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