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参数资料
| 型号： | AD9736-DPG2-EBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 41/72页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD9736 |
| 产品培训模块： | DAC Architectures |
| 设计资源： | AD9736-DPG2-EBZ Schematic AD9736-DPG2-EBZ BOM AD9736-DPG2-EBZ Gerber Files |
| 标准包装： | 1 |
| DAC 的数量： | 1 |
| 位数： | 14 |
| 采样率（每秒）： | 1.2G |
| 数据接口： | 并联 |
| DAC 型： | 电流 |
| 工作温度： | -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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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 制造商全称: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 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 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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