參數(shù)資料
型號： AD5371BBCZ-REEL
廠商： Analog Devices Inc
文件頁數(shù)： 15/29頁
文件大?。?/td> 0K
描述： IC DAC 14BIT 40CH SER 100-CSPBGA
產(chǎn)品培訓(xùn)模塊： Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝： 1
設(shè)置時間： 20µs
位數(shù)： 14
數(shù)據(jù)接口： DSP，MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 40
電壓電源： 模擬和數(shù)字，雙 ±
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 100-LFBGA，CSPBGA
供應(yīng)商設(shè)備封裝： 100-CSBGA（10x10）
包裝： 標(biāo)準(zhǔn)包裝
輸出數(shù)目和類型： 40 電壓，單極；40 電壓，雙極
采樣率（每秒）： *
其它名稱： AD5371BBCZ-REELDKR
AD5371
Rev. B | Page 21 of 28
TOGGLE MODE
The AD5371 has two X2 registers per channel, X2A and X2B,
that can be used to switch the DAC output between two levels
with ease. This approach greatly reduces the overhead required
by a microprocessor, which would otherwise need to write to
each channel individually. When the user writes to the X1A,
X1B, M, or C register, the calculation engine takes a certain
amount of time to calculate the appropriate X2A or X2B value.
If an application, such as a data generator, requires that the
DAC output switch between two levels only, any method that
reduces the amount of calculation time necessary is advantageous.
For the data generator example, the user needs only to set the
high and low levels for each channel once by writing to the X1A
and X1B registers. The values of X2A and X2B are calculated and
stored in their respective registers. The calculation delay, therefore,
happens only during the setup phase, that is, when programming
the initial values. To toggle a DAC output between the two levels,
it is only required to write to the relevant A/B select register to
set the MUX2 register bit. Furthermore, because there are eight
MUX2 control bits per register, it is possible to update eight
channels with a single write. Table 10 shows the bits that corre-
spond to each DAC output.
Table 10. DACs Selected by A/B Select Registers
A/B Select
Register
F7
F6
F5
F4
F3
F2
F1
F0
0
VOUT7
VOUT6
VOUT5
VOUT4
VOUT3
VOUT2
VOUT1
VOUT0
1
VOUT15
VOUT14
VOUT13
VOUT12
VOUT11
VOUT10
VOUT9
VOUT8
2
VOUT23
VOUT22
VOUT21
VOUT20
VOUT19
VOUT18
VOUT17
VOUT16
3
VOUT31
VOUT30
VOUT29
VOUT28
VOUT27
VOUT26
VOUT25
VOUT24
4
VOUT39
VOUT38
VOUT37
VOUT36
VOUT35
VOUT34
VOUT33
VOUT32
1 If the bit is set to 0, Register X2A is selected. If the bit is set to 1, Register X2B is selected.
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AD5371BSTZ-REEL 功能描述:IC DAC 14BIT 40CH SER 80-LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 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）:*
AD5372 制造商:AD 制造商全稱:Analog Devices 功能描述:32-Channel, 16/14, Serial Input, Voltage-Output DACs
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AD5372BCPZ-REEL7 制造商:Analog Devices 功能描述:DAC 32CH-CH RES-STRING 16BIT 56LFCSP EP - Tape and Reel
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