参数资料
型号: 7549
厂商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 单芯片8位CMOS微机
文件页数: 64/73页
文件大小: 1272K
代理商: 7549
Rev.2.00
REJ03B0202-0200
Mar 05, 2007
Page 64 of 70
7549 Group
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
A/D Converter Characteristics
A/D Converter characteristics
(V
CC
= 2.7 to 5.5 V, V
SS
= 0 V, Ta =
20 to 85
°
C, unless otherwise noted)
A/D Converter Recommended Operating Conditions
(V
CC
= 2.7 to 5.5 V, V
SS
= 0 V, Ta =
20 to 85
°
C, unless otherwise noted)
NOTE:
1. When X
CIN
or the low-speed on-chip oscillator is selected as
φ
SOURCE, the A/D converter cannot be used.
Symbol
Test conditions
Limits
Min.
Typ.
Max.
Unit
10
bits
k
55
Parameter
Resolution
Absolute accuracy
(excluding quantization error)
Conversion time
Ladder resistor
A/D port input current
5.0
μ
A
t
CONV
R
LADDER
I
I(AD)
tc(
φ
SOURCE)
122
tc(
φ
SOURCE)
61
A/D conversion clock = f(
φ
SOURCE)
A/D conversion clock = f(
φ
SOURCE)/2
LSB
Ta =
20
85 °C, 2.7
Vcc
5.5V
TBD
Symbol
Parameter
Test conditions
Limits
Unit
A/D conversion clock
frequency (Note)
φ
(AD)
MHz
4.0
Vcc
5.5 V
TBD
8
MHz
TBD
4
2.7
Vcc
<
4.0 V
Power source voltage
Ta =
20
85 °C
Min.
Typ.
Max.
2.7
5.5
V
V
CC
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