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參數(shù)資料
| 型號： | AD9786BSVZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 14/56頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 16BIT INTERPOL/SP 80TQFP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | TxDAC+® |
| 位數(shù)： | 16 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 1.25W |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 80-TQFP 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 80-TQFP-EP（12x12） |
| 包裝： | 托盤 |
| 輸出數(shù)目和類型： | 2 電流，單極 |
| 采樣率（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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9786BSVZRL | 功能描述:IC DAC 16BIT INTERPOL/SP 80TQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:TxDAC+® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 設(shè)置時間:1µs 位數(shù):8 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:8 電壓電源:雙 ± 功率耗散（最大）:941mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC W 包裝:帶卷 (TR) 輸出數(shù)目和類型:8 電壓，單極 采樣率（每秒）:* |
| 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 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 數(shù)模轉(zhuǎn)換器 (DAC) 系列:TxDAC+® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- DAC 的數(shù)量:4 位數(shù):12 采樣率（每秒）:- 數(shù)據(jù)接口:串行，SPI? 設(shè)置時間:3µs DAC 型:電流/電壓 工作溫度:-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 制造商全稱:Analog Devices 功能描述:Dual 12-/14-/16-Bit 800 MSPS DAC with Low Power 32-Bit Complex NCO |
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