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4 a/d conversion characteristics – Renesas H8S/2111B User Manual

Page 560

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Rev. 1.00, 05/04, page 526 of 544

Table 22.10 LPC Module Timing

Conditions: V

CC

= 3.0 V to 3.6 V, V

SS

= 0 V,

φ = 4 MHz to maximum operating frequency,

T

a

= –20 to +75°C

Item Symbol

Min.

Typ.

Max.

Unit

Test
Conditions

Input clock cycle

t

Lcyc

30 — —

Input clock pulse width (H) t

LCKH

11 — —

Input clock pulse width (L) t

LCKL

11 — —

Transmit signal delay time t

TXD

2 — 11

Transmit signal floating
delay time

t

OFF

— — 28

Receive signal setup time t

RXS

7 — —

LPC

Receive signal hold time

t

RXH

0 — —

ns Figure

22.23

22.4

A/D Conversion Characteristics

Tables 22.11 list the A/D conversion characteristics.

Table 22.11 A/D Conversion Characteristics (AN5 to AN0 Input: 134/266-State Conversion)

Conditions: V

CC

= 3.0 V to 3.6 V, AV

CC

= 3.0 V to 3.6 V, AV

ref

= 3.0 V to AV

CC

,

V

CC

B = 3.0 V to 5.5 V, V

SS

= AV

SS

= 0 V,

φ = 4 MHz to maximum operating frequency, T

a

= –20 to +75°C

Condition

10 MHz

Item Min.

Typ.

Max.

Unit

Resolution 10

bits

Conversion time

13.4

µs

Analog input capacitance

20

pF

Permissible signal-source impedance

5

k

Nonlinearity error

±7.0

LSB

Offset error

±7.5

LSB

Full-scale error

±7.5

LSB

Quantization error

±0.5

LSB

Absolute accuracy —

±8.0

LSB

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