参数资料
| 型号： | AD9786BSVZRL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 14/56页 |
| 文件大小： | 0K |
| 描述： | IC DAC 16BIT INTERPOL/SP 80TQFP |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 标准包装： | 1,000 |
| 系列： | TxDAC+® |
| 位数： | 16 |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 1.25W |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 80-TQFP 裸露焊盘 |
| 供应商设备封装： | 80-TQFP-EP（12x12） |
| 包装： | 带卷 (TR) |
| 输出数目和类型： | 2 电流，单极 |
| 采样率（每秒）： | 500M |
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AD9786
Rev. B | Page 21 of 56
MSB/LSB TRANSFERS
The AD9786 serial port can support both MSB-first or LSB-first
data formats. This functionality is controlled by register address
DATADIR (0x00[6]). The default is MSB first. When this bit is
set active high, the AD9786 serial port is in LSB-first format.
That is, if the AD9786 is in LSB-first mode, the instruction byte
must be written from least significant bit to most significant bit.
Multibyte data transfers in MSB-first format can be completed
by writing an instruction byte that includes the register address
of the most significant byte. In MSB-first mode, the serial port
internal byte address generator decrements for each byte
required of the multibyte communication cycle. Multibyte data
transfers in LSB-first format can be completed by writing an
instruction byte that includes the register address of the least
significant byte. In LSB-first mode, the serial port internal byte
address generator increments for each byte required of the
multibyte communication cycle.
The AD9786 serial port controller address increments from 0x1F
to 0x00 for multibyte I/O operations if the MSB-first mode is
active. The serial port controller address decrements from 0x00 to
0x1F for multibyte I/O operations if the LSB-first mode is active.
NOTES ON SERIAL PORT OPERATION
The AD9786 serial port configuration bits reside in Bit 6 and
Bit 7 of Register Address 0x00. Note that the configuration
changes immediately upon writing to the last bit of the register.
For multibyte transfers, writing to this register might occur
during the middle of a communication cycle. Care must be
taken to compensate for this new configuration for the
remaining bytes of the current communication cycle.
The same considerations apply to setting the software reset
SWRST (0x00[5]) bit. All other registers are set to their default
values, but the software reset does not affect the bits in Register
Address 0x00 and Register Address 0x04.
It is recommended to use only single-byte transfers when
changing serial port configurations or initiating a software
reset.
R/W N1
N0
A4 A3
A2
A1
A0
D7 D6N D5N
D00
D10
D20
D30
D7 D6N D5N
D00
D10
D20
D30
INSTRUCTION CYCLE
DATA TRANSFER CYCLE
CSB
SCLK
SDIO
SDO
03152-037
Figure 37. Serial Register Interface Timing MSB First
A0
A1
A2
A3 A4
N0
N1 R/W D00 D10 D20
D7N
D6N
D5N
D4N
D00 D10 D20
D7N
D6N
D5N
D4N
INSTRUCTION CYCLE
DATA TRANSFER CYCLE
CSB
SCLK
SDIO
SDO
03152-038
Figure 38. Serial Register Interface Timing LSB First
INSTRUCTION BIT 6
INSTRUCTION BIT 7
CSB
SCLK
SDIO
tDS
tDH
tPWH
tPWL
tSCLK
03152-039
Figure 39. Timing Diagram for Register Write
DATA BIT n–1
DATA BIT n
CSB
SCLK
SDIO
SDO
03152-040
tDV
Figure 40. Timing Diagram for Register Read
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相关代理商/技术参数 |
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| AD9786-EB | 制造商:Rochester Electronics LLC 功能描述:EVAL BOARD FOR AD9786 - Bulk |
| AD9786-EBZ | 功能描述:BOARD EVALUATION FOR AD9786 RoHS:是 类别:编程器，开发系统 >> 评估板 - 数模转换器 (DAC) 系列:TxDAC+® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- DAC 的数量:4 位数:12 采样率（每秒）:- 数据接口:串行，SPI? 设置时间:3µs DAC 型:电流/电压 工作温度:-40°C ~ 85°C 已供物品:板 已用 IC / 零件:MAX5581 |
| AD9786XSV | 制造商:Analog Devices 功能描述:- Bulk |
| AD9787 | 制造商:AD 制造商全称:Analog Devices 功能描述:Dual 12-/14-/16-Bit 800 MSPS DAC with Low Power 32-Bit Complex NCO |
| AD9787BSVZ | 功能描述:IC DAC 14BIT 800MSPS 100TQFP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:TxDAC® 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 |
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