Datasheet > AD9944KCPZ1

AD9944KCPZ1

更新时间： 2022-05-20 04:33:21

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	498K
描述
Complete 10-Bit and 12-Bit, 25 MHz CCD Signal Processors

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数据手册

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AD9944KCPZ1 数据手册

AD9943/AD9944

TERMINOLOGY

Differential Nonlinearity (DNL)

Power Supply Rejection (PSR)

An ideal ADC exhibits code transitions that are exactly 1 LSB

apart. DNL is the deviation from this ideal value. Therefore

every code must have a finite width. No missing codes

guaranteed to 10-bit resolution indicates that all 1024 codes,

respectively, must be present over all operating conditions.

The PSR is measured with a step change applied to the supply

pins. This represents a very high frequency disturbance on the

AD9943/AD9944’s power supply. The PSR specification is

calculated from the change in the data outputs for a given

step change in the supply voltage.

Peak Nonlinearity

Internal Delay for SHP/SHD

Peak nonlinearity, a full-signal chain specification, refers to the

peak deviation of the output of the AD9943/AD9944 from a

true straight line. The point used as zero scale occurs 1/2 LSB

before the first code transition. Positive full scale is defined as a

level 1 1/2 LSB beyond the last code transition. The deviation is

measured from the middle of each particular output code to the

true straight line. The error is then expressed as a percentage of

the 2 V ADC full-scale signal. The input signal is always

appropriately gained up to fill the ADC’s full-scale range.

The internal delay (also called aperture delay) is the time delay

that occurs from the time a sampling edge is applied to the

AD9943/AD9944 until the actual sample of the input signal is

held. Both SHP and SHD sample the input signal during the

transition from low to high, so the internal delay is measured

from each clock’s rising edge to the instant the actual internal

sample is taken.

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

converted to an equivalent voltage, using the relationship

1LSB =

(

ADC Full Scale 2^Ncodes

)

where N is the bit resolution of the ADC. For example, 1 LSB of

the AD9943 is 1.95 mV.

Rev. B | Page 10 of 20

1...7 8 91011 12 13...20

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与AD9944KCPZ1相关器件

型号	品牌	描述	获取价格	数据表
AD9944KCPZRL	ADI	Complete 10-Bit and 12-Bit, 25 MHz CCD Signal Processors	获取价格
AD9944KCPZRL1	ADI	Complete 10-Bit and 12-Bit, 25 MHz CCD Signal Processors	获取价格
AD9945	ADI	Complete 12-Bit 40 MHz CCD Signal Processor	获取价格
AD9945KCP	ADI	Complete 12-Bit 40 MHz CCD Signal Processor	获取价格
AD9945KCPRL	ADI	Complete 12-Bit 40 MHz CCD Signal Processor	获取价格
AD9945KCPRL7	ADI	Complete 12-Bit 40 MHz CCD Signal Processor	获取价格
AD9945KCPZ	ADI	Complete 12-Bit 40 MHz CCD Signal Processor	获取价格
AD9945KCPZ2	ADI	Complete 12-Bit 40 MHz CCD Signal Processor	获取价格
AD9945KCPZRL	ADI	IC SPECIALTY CONSUMER CIRCUIT, QCC32, 5 X 5 MM, MO-220-VHHD-2, LFCSP-32, Consumer IC:Other	获取价格
AD9945KCPZRL7	ADI	Complete 12-Bit 40 MHz CCD Signal Processor	获取价格
AD9945KCPZRL72	ADI	Complete 12-Bit 40 MHz CCD Signal Processor	获取价格
AD9948	ADI	10-Bit CCD Signal Processor with Precision Ti	获取价格
AD9948KCP	ADI	10-Bit CCD Signal Processor with Precision Ti	获取价格
AD9948KCPRL	ADI	10-Bit CCD Signal Processor with Precision Ti	获取价格
AD9948KCPZ	ADI	10-Bit CCD Signal Processor with Precision Ti	获取价格
AD9948KCPZRL	ADI	10-Bit CCD Signal Processor with Precision Ti	获取价格
AD9949	ADI	12-Bit CCD Signal Processor with Precision Timing Core	获取价格
AD9949AKCPRLZ	ADI	IC,DATA ACQ SIGNAL CONDITIONER,1-CHANNEL,12-BIT,LLCC,40PIN,PLASTIC	获取价格
AD9949AKCPZ	ADI	12-Bit CCD Signal Processor with Precision Timing Core	获取价格
AD9949AKCPZRL	ADI	12-Bit CCD Signal Processor with Precision Timing Core	获取价格

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