参数资料
| 型号： | AD5380BSTZ-3 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 26/40页 |
| 文件大小： | 0K |
| 描述： | IC DAC 14BIT 40CHAN 3V 100LQFP |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 产品变化通告： | Redesign Change 28/Oct/2011 |
| 设计资源： | 40 Channels of Programmable Voltage with Excellent Temperature Drift Performance Using AD5380 (CN0007) Output Channel Monitoring Using AD5380 (CN0008) |
| 标准包装： | 1 |
| 设置时间： | 6µs |
| 位数： | 14 |
| 数据接口： | I²C，并联，串行 |
| 转换器数目： | 40 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 125mW |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 100-LQFP |
| 供应商设备封装： | 100-LQFP（14x14） |
| 包装： | 托盘 |
| 输出数目和类型： | 40 电压，单极 |
| 采样率（每秒）： | 125k |
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AD5380
Data Sheet
Rev. C | Page 32 of 40
AD5380 to PIC16C6x/7x
The PIC16C6x/7x synchronous serial port (SSP) is configured
as an SPI master with the Clock Polarity bit = 0. This is done
by writing to the synchronous serial port control register
(SSPCON). See the PIC16/17 Microcontroller User Manual.
In this example, I/O, port RA1, is being used to pulse SYNC
and enable the serial port of the AD5380. This microcontroller
transfers only eight bits of data during each serial transfer
operation; therefore, three consecutive read/write operations
may be needed depending on the mode. Figure 36 shows the
connection diagram.
03731-036
PIC16C6X/7X
AD5380
SDI/RC4
SDO/RC5
SCK/RC3
RA1
SDO
RESET
SER/PAR
DIN
SCLK
SYNC
SPI/I2C
DVDD
Figure 36. AD5380-to-PIC16C6x/7x Interface
AD5380 to 8051
The AD5380 requires a clock synchronized to the serial data.
Therefore, the 8051 serial interface must be operated in Mode 0.
In this mode, serial data enters and exits through RxD, and a
shift clock is output on TxD. Figure 37 shows how the 8051 is
connected to the AD5380. Because the AD5380 shifts data out
on the rising edge of the shift clock and latches data in on the
falling edge, the shift clock must be inverted. The AD5380
requires its data to be MSB first. Since the 8051 outputs the
LSB first, the transmit routine must take this into account.
03731-037
8XC51
AD5380
RxD
TxD
P1.1
SDO
RESET
SER/PAR
DIN
SCLK
SYNC
SPI/I2C
DVDD
Figure 37. AD5380-to-8051 Interface
AD5380 to ADSP-2101/ADSP-2103
Figure 38 shows a serial interface between the AD5380 and the
ADSP-2101/ADSP-2103. The ADSP-2101/ADSP-2103 should
be set up to operate in SPORT transmit alternate framing mode.
The ADSP-2101/ADSP-2103 SPORT is programmed through
the SPORT control register and should be configured as follows:
internal clock operation, active low framing, and 16-bit word
length. Transmission is initiated by writing a word to the
Tx register after the SPORT has been enabled.
03731-038
ADSP-2101/
ADSP-2103
AD5380
DR
DT
SCK
TFS
RFS
SDO
RESET
SER/PAR
DIN
SCLK
DVDD
SPI/I2C
SYNC
Figure 38. AD5380-to-ADSP-2101/ADSP-2103 Interface
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相关代理商/技术参数 |
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| AD5380BSTZ-5 | 功能描述:IC DAC 14BIT 12C 40CH 5V 100LQFP 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 |
| ad5381bst-3 | 制造商:Rochester Electronics LLC 功能描述:32/40-CHANNEL 3V/5V SINGLE SUPPLY 12/14-BIT VOUT DAC - Bulk 制造商:Analog Devices 功能描述: |
| AD5381BST-3-REEL | 制造商:Analog Devices 功能描述:DAC 40-CH Resistor-String 12-bit 100-Pin LQFP T/R |
| AD5381BST-5 | 制造商:Analog Devices 功能描述:DAC 40-CH Resistor-String 12-bit 100-Pin LQFP |
| AD5381BST-5-REEL | 制造商:Analog Devices 功能描述:DAC 40-CH Resistor-String 12-bit 100-Pin LQFP T/R |
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