参数资料
| 型号： | AD7226BQ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/16页 |
| 文件大小： | 0K |
| 描述： | IC DAC 8BIT QUAD W/AMP 20-CDIP |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 标准包装： | 18 |
| 设置时间： | 4µs |
| 位数： | 8 |
| 数据接口： | 并联 |
| 转换器数目： | 4 |
| 电压电源： | 双 ± |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 20-CDIP（0.300"，7.62mm） |
| 供应商设备封装： | 20-CDIP |
| 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）： | 143k |
REV.
–12–
AD7226
OFFSET ADJUST
Figure 17 shows how the AD7226 can be used to provide pro-
grammable input offset voltage adjustment for the AD544 op
amp. Each output of the AD7226 can be used to trim the input
offset voltage on one AD544. The 620 k
W resistor tied to 10 V
provides a fixed bias current to one offset node. For symmetri-
cal adjustment, this bias current should equal the current in the
other offset node with the half-full scale code (i.e., 10000000)
on the DAC. Changing the code on the DAC varies the bias
current and hence provides offset adjust for the AD544. For
example, the input offset voltage on the AD544J, which has a
maximum of
±2 mV, can be programmably trimmed to ±10 mV.
DAC A
VREF
VDD
DGND
AGND
VSS
VOUTA
AD7226*
*DIGITAL INPUTS OMITTED
FOR CLARITY
620k
500k
+15V
–15V
1
4
5
7
+10V
Figure 17. Offset Adjust for AD544
WR
A1
A0
AD7226*
ADDRESS/DATA BUS
ADDRESS BUS
ADDRESS
DECODE
WR
EN
DB7
DB0
8212
DS2
ALE
D7
D0
A8
A15
*LINEAR CIRCUITRY OMITTED FOR CLARITY
8085A
Figure 18. AD7226 to 8085A Interface
WR
A1
A0
AD7226*
DATA BUS
ADDRESS BUS
ADDRESS
DECODE
R/
W
EN
DB7
DB0
D7
D0
A0
A15
*LINEAR CIRCUITRY OMITTED FOR CLARITY
EN
E
6809
Figure 19. AD7226 to 6809 Interface
WR
A1
A0
AD7226*
DATA BUS
ADDRESS BUS
ADDRESS
DECODE
R/
W
EN
DB7
DB0
D7
D0
A0
A15
*LINEAR CIRCUITRY OMITTED FOR CLARITY
EN
2
6502
Figure 20. AD7226 to 6502 Interface
WR
A1
A0
AD7226*
DATA BUS
ADDRESS BUS
ADDRESS
DECODE
WR
EN
DB7
DB0
D7
D0
A0
A15
*LINEAR CIRCUITRY OMITTED FOR CLARITY
Z-80
Figure 21. AD7226 to Z-80 Interface
D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7226BQ/+ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Digital-to-Analog Converter |
| AD7226BRS | 制造商:Rochester Electronics LLC 功能描述:CMOS QUAD 8 BIT D/A CONVERTER V-OUT I.C. - Bulk 制造商:Analog Devices 功能描述: |
| AD7226BRS-REEL | 制造商:Analog Devices 功能描述:DAC 4-CH R-2R 8-bit 20-Pin SSOP T/R 制造商:Analog Devices 功能描述:DAC 4-CH R-2R 8BIT 20SSOP - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:CMOS QUAD 8 BIT D/A CONVERTER V-OUT I.C. - Tape and Reel 制造商:Analog Devices 功能描述:Digital to Analog Converter |
| AD7226BRSZ | 功能描述:IC DAC 8BIT QUAD W/AMP 20SSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 标准包装:1 系列:- 设置时间:4.5µs 位数:12 数据接口:串行，SPI? 转换器数目:1 电压电源:单电源 功率耗散（最大）:- 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOICN 包装:剪切带 (CT) 输出数目和类型:1 电压，单极；1 电压，双极 采样率（每秒）:* 其它名称:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
| AD7226KC/D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Digital-to-Analog Converter |
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