参数资料
| 型号： | AD5504BRUZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/20页 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT SPI 16-TSSOP |
| 产品培训模块： | DAC Architectures |
| 设计资源： | Powering a 30V DAC from a 3V supply (CN0193) |
| 标准包装： | 1 |
| 设置时间： | 45µs |
| 位数： | 12 |
| 数据接口： | SPI?、QSPI?、MICROWIRE? 和 DSP |
| 转换器数目： | 4 |
| 电压电源： | 单 |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | * |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | * |
| 包装： | 管件 |
| 输出数目和类型： | 4 电压，单极 |
| 采样率（每秒）： | * |
Data Sheet
AD5504
Rev. B | Page 17 of 20
Table 10. Control Register Functions
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
R/W
1
0
C6
C5
C4
C3
C2
C1
C0
1
Read-only bit. This bit should be 0 when writing to the control register.
Table 11. Control Register Function Bit Descriptions
Bit No.
Bit Name
Description
DB0
C0
C0 = 0: the device is not in thermal shutdown mode.
C0 = 1: the device is in thermal shutdown mode.
DB1
C1
C1 = 0: reserved. This bit should be 0 when writing to the control register.
DB2
C2 = 0: DAC Channel A power-down (default).
C2 = 1: DAC Channel A power-up.
DB3
C3 = 0: DAC Channel B power-down (default).
C3 = 1: DAC Channel B power-up.
DB4
C4 = 0: DAC Channel C power-down (default).
C4 = 1: DAC Channel C power-up.
DB5
C5 = 0: DAC Channel D power-down (default).
C5 = 1: DAC Channel D power-up.
DB6
C6
C6 = 0: outputs connected to AGND through a 20 k resistor (default).
C6 = 1: outputs are three-stated.
1
If Bit C2 to Bit C5 are set to 0, the part is placed in power-down mode.
07994-
120
WRITE N
WRITE N + 1
WRITE TO
CONTROL REGISTER
NOP
WRITE TO
CONTROL REGISTER
WRITE TO
DAC REGISTER
WRITE N + 2
WRITE TO
CONTROL REGISTER
WRITE TO
CONTROL REGISTER
NOP
WRITE TO
CONTROL REGISTER
WRITE TO
CONTROL REGISTER
WRITE TO
DAC REGISTER
Figure 18. Control Register Write Sequences
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