参数资料
| 型号： | AD9949KCPZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 35/36页 |
| 文件大小： | 0K |
| 描述： | IC CCD SIGNAL PROCESSOR 40-LFCSP |
| 标准包装： | 1 |
| 类型： | CCD 信号处理器，12 位 |
| 输入类型： | 逻辑 |
| 输出类型： | 逻辑 |
| 接口： | 3 线串口 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 40-LFCSP |
| 包装： | 托盘 |
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AD9949
Rev. B | Page 8 of 36
TERMINOLOGY
Differential Nonlinearity (DNL)
An ideal ADC exhibits code transitions that are exactly 1 LSB
apart. DNL is the deviation from this ideal value. Thus, every
code must have a finite width. No missing codes guaranteed to
12-bit resolution indicates that all 4096 codes, respectively, must
be present over all operating conditions.
Integral Nonlinearity (INL)
INL is the deviation of each individual code measured from a
true straight line from zero to full scale. The point used as zero
scale occurs 0.5 LSB before the first code transition. Positive full
scale is defined as a level 1 LSB and 0.5 LSB beyond the last
code transition. The deviation is measured from the middle of
each particular output code to the true straight line.
Peak Nonlinearity
Peak nonlinearity, a full signal chain specification, refers to the
peak deviation of the output of the AD9949 from a straight line.
The point used as zero scale occurs 0.5 LSB before the first code
transition. Positive full scale is defined as a level 1 LSB and
0.5 LSB beyond the last code transition. The deviation is
measured from the middle of each particular output code to the
straight line reference. The error is then expressed as a
percentage of the 2 V ADC full-scale signal. The input signal is
appropriately gained up to fill the ADC’s full-scale range.
Total Output Noise
The rms output noise is measured using histogram techniques.
The standard deviation of the ADC output codes is calculated
in LSB and represents the rms noise level of the total signal
chain at the specified gain setting. The output noise can be con-
verted to an equivalent voltage, using the relationship
1 LSB = (ADC full scale/2n codes)
where n is the bit resolution of the ADC. For the AD9949,
1 LSB is approximately 0.488 mV.
Power Supply Rejection (PSR)
The PSR is measured with a step change applied to the supply
pins. The PSR specification is calculated from the change in the
data outputs for a given step change in the supply voltage.
相关PDF资料 |
PDF描述 |
|---|---|
| AD9951YSVZ | IC DDS DAC 14BIT 1.8V 48-TQFP |
| AD9952YSVZ-REEL7 | IC DDS DAC 14BIT 1.8V 48TQFP |
| AD9953YSVZ-REEL7 | IC DDS DAC 14BIT 1.8V 48TQFP |
| AD9954YSVZ-REEL7 | IC DDS DAC 14BIT 1.8V 48TQFP |
| AD9956YCPZ-REEL7 | IC SYNTHESIZER 1.8V 48LFCSP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AD9949KCPZRL | 功能描述:IC CCD SIGNAL PROCESSOR 40-LFCSP RoHS:是 类别:集成电路 (IC) >> 接口 - 传感器和探测器接口 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:74 系列:- 类型:触控式传感器 输入类型:数字 输出类型:数字 接口:JTAG，串行 电流 - 电源:100µA 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:20-TSSOP 包装:管件 |
| AD9950KJ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Parallel-Input Frequency Synthesizer |
| AD9950TJ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Parallel-Input Frequency Synthesizer |
| AD9951 | 制造商:AD 制造商全称:Analog Devices 功能描述:400 MSPS 14-Bit, 1.8 V CMOS Direct Digital Synthesizer |
| AD9951/PCBZ | 制造商:Analog Devices 功能描述:AD9951 400 MSPS DDS W/ 14 BIT DAC EVALBD - Boxed Product (Development Kits) |
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