参数资料
型号: AD7225LRZ
厂商: Analog Devices Inc
文件页数: 11/24页
文件大小: 0K
描述: IC DAC 8BIT QUAD W/AMP 24SOIC
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 31
设置时间: 4µs
位数: 8
转换器数目: 4
电压电源: 双 ±
功率耗散(最大): 500mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC W
包装: 管件
输出数目和类型: 4 电压,单极;4 电压,双极
采样率(每秒): 200k
AD7225
Rev. C | Page 19 of 24
MICROPROCESSER INTERFACE
*LINEAR CIRCUITRY OMITTED FOR CLARITY.
ADDRESS
DECODE
LATCH
EN
AD7225*
A0
A1
DB7
DB0
LDAC
WR
ADDRESS BUS
ADDRESS DATA BUS
8085A/
8088
A15
A8
ALE
AD0
AD7
WR
00986-
025
*LINEAR CIRCUITRY OMITTED FOR CLARITY.
Z-80
A15
A8
D0
D7
AD7225*
WR
A0
A1
DB7
DB0
LDAC
WR
ADDRESS BUS
DATA BUS
ADDRESS
DECODE
EN
MREQ
00986-
026
Figure 25. AD7225-to-8085A/8088 Interface, Double-Buffered Mode
Figure 26. AD7225-to-Z-80 Interface, Double-Buffered Mode
*LINEAR CIRCUITRY OMITTED FOR CLARITY.
6809/
6502
A15
A0
E OR Φ2
D0
D7
AD7225*
R/W
A0
A1
DB7
DB0
LDAC
WR
ADDRESS BUS
DATA BUS
ADDRESS
DECODE
EN
00986-
027
*LINEAR CIRCUITRY OMITTED FOR CLARITY.
68008
A23
A1
D0
D7
AD7225*
A0
A1
DB7
DB0
LDAC
WR
ADDRESS BUS
DATA BUS
ADDRESS
DECODE
EN
AS
R/W
DTACK
00986-
028
Figure 27. AD7225-to-6809/6502 Interface, Single-Buffered Mode
Figure 28. AD7225-to-68008 Interface, Single-Buffered Mode
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