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参数资料
| 型号： | AD664KN-UNI |
| 厂商： | Analog Devices Inc |
| 文件页数： | 6/23页 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT QUAD UNIPOL 28-DIP |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 产品变化通告： | Product Discontinuance 27/Oct/2011 |
| 标准包装： | 1 |
| 设置时间： | 8µs |
| 位数： | 12 |
| 数据接口： | 并联 |
| 转换器数目： | 4 |
| 电压电源： | 双 ± |
| 功率耗散（最大）： | 525mW |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 28-DIP（0.600"，15.24mm） |
| 供应商设备封装： | 28-PDIP |
| 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）： | 125k |
AD664
REV.
–14–
The schemes in Figure 25 illustrate some of the trade-offs which
a designer may make when configuring a system. For example,
the designer may use I/O lines instead of address bits or vice
versa. This decision may be influenced by other I/O tasks or sys-
tem expansion requirements. He/she can also choose to imple-
ment only a subset of the features available. Perhaps the RST
pin isn’t really needed. Tying that input pin to VLOGIC frees up
another I/O or address bit. The same consideration applies to
mode select. In all of these cases TR is shown tied to VLOGIC,
because the MC6801 cannot provide the 12-bit-wide input
word required for the transparent mode. In situations where
transparent operation isn’t required, and mode select is also not
needed, the designer may consider specifying the DIP version of
the device (either the UNI or BIP version).
Each of the schemes illustrated in Figure 25 operates with an
MC6801 at clock rates up to and including 1.5 MHz. Similar
schemes can be derived for other 8-bit microprocessors and
microcontrollers such as the 8051/8086/8088/6502, etc. One
such scheme developed for the 8051/AD664 is illustrated in
Figure 26.
8051 Interface
Figure 26 shows the AD664 combined with an 8051
controller
chip. Three LSBs of address provide the quad and DAC select
signals. Control signals from Port 1 select various operating
modes such as readback, mode select and reset as well as pro-
viding the LS signal. Read and write signals from the 8051 are
decoded to provide the CS signal.
Figure 25d. Interfacing Eight AD664s to an MC6801
D
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| AD664KNZ-UNI | 功能描述:IC DAC 12BIT QUAD UNIPOL 28DIP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 设置时间:1µs 位数:8 数据接口:串行 转换器数目:8 电压电源:双 ± 功率耗散（最大）:941mW 工作温度:0°C ~ 70°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:带卷 (TR) 输出数目和类型:8 电压，单极 采样率（每秒）:* |
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| AD664KPZ | 功能描述:IC DAC 12BIT QUAD MONO 44-PLCC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 设置时间:1µs 位数:8 数据接口:串行 转换器数目:8 电压电源:双 ± 功率耗散（最大）:941mW 工作温度:0°C ~ 70°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:带卷 (TR) 输出数目和类型:8 电压，单极 采样率（每秒）:* |
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