參數(shù)資料
型號(hào): AD5383BSTZ-5
廠商: Analog Devices Inc
文件頁(yè)數(shù): 25/40頁(yè)
文件大?。?/td> 0K
描述: IC DAC 12BIT 32CH 5V 100-LQFP
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
產(chǎn)品變化通告: AD5381,3 Redesign Change 24/Oct/2011
設(shè)計(jì)資源: 32 Channels of Programmable Voltage with Excellent Temperature Drift Performance Using AD5383 (CN0014)
AD5383 Channel Monitor Function (CN0015)
標(biāo)準(zhǔn)包裝: 1
設(shè)置時(shí)間: 6µs
位數(shù): 12
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 32
電壓電源: 單電源
功率耗散(最大): 65mW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 100-LQFP
供應(yīng)商設(shè)備封裝: 100-LQFP(14x14)
包裝: 托盤(pán)
輸出數(shù)目和類型: 32 電壓,單極;32 電壓,雙極
采樣率(每秒): 167k
Data Sheet
AD5383
Rev. C | Page 31 of 40
MICROPROCESSOR INTERFACING
Parallel Interface
The AD5383 can be interfaced to a variety of 16-bit microcon-
trollers or DSP processors. Figure 35 shows the AD5383 family
interfaced to a generic 16-bit microcontroller/DSP processor. The
lower address lines from the processor are connected to A0 to
A4 on the AD5383. The upper address lines are decoded to
provide a CS, LDAC signal for the AD5383. The fast interface
timing of the AD5383 allows direct interface to a wide variety of
microcontrollers and DSPs, as shown in Figure 35.
AD5383 to MC68HC11
The serial peripheral interface (SPI) on the MC68HC11 is
configured for master mode (MSTR = 1), the clock polarity bit
(CPOL) = 0, and the clock phase bit (CPHA) = 1. The SPI is
configured by writing to the SPI control register (SPCR)—see
the 68HC11 User Manual. SCK of the 68HC11 drives the SCLK
of the AD5383, the MOSI output drives the serial data line
(DIN) of the AD5383, and the MISO input is driven from
DOUT. The SYNC signal is derived from a port line (PC7).
When data is being transmitted to the AD5383, the SYNC line
is taken low (PC7). Data appearing on the MOSI output is valid
on the falling edge of SCK. Serial data from the 68HC11 is
transmitted in 8-bit bytes with only eight falling clock edges
occurring in the transmit cycle.
03734-034
MC68HC11
AD5383
MISO
MOSI
SCK
PC7
SDO
RESET
SER/PAR
DIN
SCLK
SYNC
SPI/I2C
DVDD
Figure 34. AD5383-to-MC68HC11 Interface
03734-035
CONTROLLER/
DSP PROCESSOR*
AD5383
ADDRESS
DECODE
UPPER BITS OF
ADDRESS BUS
DATA
BUS
D15
D0
A4
A3
A2
A1
A0
R/W
A4
A3
A2
A1
A0
WR
REG1
REG0
D11
D0
CS
LDAC
*ADDITIONAL PINS OMITTED FOR CLARITY
Figure 35. AD5383-to-Parallel Interface
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