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| 型號： | AD9736-DPG2-EBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 41/72頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD9736 |
| 產(chǎn)品培訓模塊： | DAC Architectures |
| 設(shè)計資源： | AD9736-DPG2-EBZ Schematic AD9736-DPG2-EBZ BOM AD9736-DPG2-EBZ Gerber Files |
| 標準包裝： | 1 |
| DAC 的數(shù)量： | 1 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 1.2G |
| 數(shù)據(jù)接口： | 并聯(lián) |
| DAC 型： | 電流 |
| 工作溫度： | -40°C ~ 85°C |
| 已供物品： | 板 |
| 已用 IC / 零件： | AD9736 |
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AD9734/AD9735/AD9736
Rev. A | Page 46 of 72
GENERATING EXPECTED SIGNATURES
The following MATLAB code duplicates the internal logic of
the AD973x. To use it, save this code in a file called bist.m.
--- begin bist.m ---
function [ ret1 , ret2] = bist(vec)
ret1 = bist1(vec(1:2:length(vec)-1));
ret2 = bist1(vec(2:2:length(vec)));
function ret = bist1(v)
sum = zeros(1,32);
for i = 1 :length(v)
if v(i) ~= 0
su(1) = ~xor(sum(32) ,bitget(v(i),1));
su(2) = ~xor(sum(1) ,bitget(v(i),2));
su(3) = ~xor(sum(2) ,bitget(v(i),3));
su(4) = ~xor(sum(3) ,bitget(v(i),4));
su(5) = ~xor(sum(4) ,bitget(v(i),5));
su(6) = ~xor(sum(5) ,bitget(v(i),6));
su(7) = ~xor(sum(6) ,bitget(v(i),7));
su(8) = ~xor(sum(7) ,bitget(v(i),8));
su(9) = ~xor(sum(8) ,bitget(v(i),9));
su(10) = ~xor(sum(9) ,bitget(v(i),10));
su(11) = ~xor(sum(10) ,bitget(v(i),11));
su(12) = ~xor(sum(11) ,bitget(v(i),12));
su(13) = ~xor(sum(12) ,bitget(v(i),13));
su(14) = ~xor(sum(13) ,bitget(v(i),14));
su(15) = sum(14); su(16) = sum(15);
su(17) = sum(16); su(18) = sum(17);
su(19) = sum(18); su(20) = sum(19);
su(21) = sum(20); su(22) = sum(21);
su(23) = sum(22); su(24) = sum(23);
su(25) = sum(24); su(26) = sum(25);
su(27) = sum(26); su(28) = sum(27);
su(29) = sum(28); su(30) = sum(29);
su(31) = sum(30); su(32) = sum(31);
sum = su;
end
end % for ret = dec2hex( 2.^[0:31]× sum',8);
--- end bist.m ---
To generate the expected BIST signatures, follow this procedure:
1.
Start MATLAB and type the following at the command
prompt:
t = round(randn(1,100) × 213/8+213) ;
[ b1 b2 ] = bist(t)
The first statement creates a random vector of 14-bit
words, with a length of 100.
2.
Set t equal to any desired vector, or take this random vector
and input it to the AD973x.
3.
Alter the command randn(1,100) to change the vector
length as desired.
4.
Type b1 at the command line to see the calculated
signature for the LVDS BIST, Phase 1.
5.
Type b2 to see the value for LVDS BIST, Phase 2.
The values returned for b1 and b2 each are 32-bit hex values.
They correspond to Reg. 18, Reg. 19, Reg. 20, and Reg. 21,
where b1 is the value read for SEL<1:0> = 0, 0 (see Table 17)
and b2 is the value read for SEL<1:0> = 0, 1.
When the DAC is in 1× mode, the signature at SYNC BIST,
Phase 1 should equal the signature at LVDS BIST, Phase 1. The
same is true for Phase 2.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9736-EB | 制造商:Analog Devices 功能描述:14-BIT, 1.2 GSPS TXDAC+? D/A CONVERTER - Bulk |
| AD9736-EBZ | 制造商:Analog Devices 功能描述:EVAL BD FOR AD9735 DAC, 10-/12-/14BIT, 1200 MSPS DACS - Bulk |
| AD9736XBC | 制造商:Analog Devices 功能描述:14-BIT 1600 MSPS D/A CONVERTER - Bulk |
| AD9737A | 制造商:AD 制造商全稱:Analog Devices 功能描述:11-/14-Bit, 2.5 GSPS |
| AD9737ABBCZ | 功能描述:IC DAC 11BIT 2.5GSPS RF 160BGA RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 標準包裝:1 系列:- 設(shè)置時間:4.5µs 位數(shù):12 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設(shè)備封裝:8-SOICN 包裝:剪切帶 (CT) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
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