Datasheet > AD9844AJSTZ

AD9844AJSTZ

更新时间： 2024-01-09 08:57:35

品牌	Logo	应用领域
罗彻斯特 - ROCHESTER		商用集成电路
页数	文件大小	规格书
17页	842K
描述
SPECIALTY CONSUMER CIRCUIT, PQFP48, PLASTIC, LQFP-48

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AD9844AJSTZ 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFP
包装说明：	LFQFP,	针数：	48
Reach Compliance Code：	unknown	风险等级：	5.11
商用集成电路类型：	CONSUMER CIRCUIT	JESD-30 代码：	S-PQFP-G48
JESD-609代码：	e3	长度：	7 mm
湿度敏感等级：	3	功能数量：	1
端子数量：	48	最高工作温度：	85 °C
最低工作温度：	-20 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	LFQFP	封装形状：	SQUARE
封装形式：	FLATPACK, LOW PROFILE, FINE PITCH	峰值回流温度（摄氏度）：	260
认证状态：	COMMERCIAL	座面最大高度：	1.6 mm
最大供电电压 (Vsup)：	3.6 V	最小供电电压 (Vsup)：	2.7 V
表面贴装：	YES	温度等级：	OTHER
端子面层：	MATTE TIN	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	40	宽度：	7 mm
Base Number Matches：	1

AD9844AJSTZ 数据手册

AD9844A

chain at the specified gain setting. The output noise can be

converted to an equivalent voltage, using the relationship 1 LSB

= (ADC Full Scale/2^Ncodes) when N is the bit resolution of the

ADC. For the AD9844A, 1 LSB is 0.5 mV.

DEFINITIONS OF SPECIFICATIONS

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.

POWER SUPPLY REJECTION (PSR)

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

pins. This represents a very high-frequency disturbance on the

AD9844A’s power supply. The PSR specification is calcu-

lated from the change in the data outputs for a given step

change in the supply voltage.

PEAK NONLINEARITY

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

peak deviation of the output of the AD9844A 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 mea-

sured 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.

INTERNAL DELAY FOR SHP/SHD

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

that occurs from when a sampling edge is applied to the AD9844A

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

EQUIVALENT INPUT CIRCUITS

DVDD

ACVDD

330⍀

ACVSS

DVSS

Figure 1. Digital Inputs—SHP, SHD, DATACLK, CLPOB,

CLPDM, HD, VD, PBLK, SCK, SL

Figure 3. CCDIN (Pin 30)

DVDD

DRVDD

DATA

DVDD

DATA IN

330⍀

THREE-

STATE

DATA OUT

DOUT

RNW

DVSS

Figure 4. SDATA (Pin 47)

DVSS

DRVSS

Figure 2. Data Outputs

REV. 0

–7–

1...5 6 789 10 11...17

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与AD9844AJSTZ相关器件

型号	品牌	获取价格	描述	数据表
AD9844AJSTZRL	ADI	获取价格	暂无描述
AD9845	ADI	获取价格	Complete 12-Bit 30 MSPS CCD Signal Processor
AD9845A	ADI	获取价格	Complete 12-Bit 30 MSPS CCD Signal Processor
AD9845AJST	ADI	获取价格	Complete 12-Bit 30 MSPS CCD Signal Processor
AD9845AJSTRL	ADI	获取价格	IC SPECIALTY CONSUMER CIRCUIT, PQFP48, PLASTIC , LQFP-48, Consumer IC:Other
AD9845AJSTZ	ADI	获取价格	IC SPECIALTY CONSUMER CIRCUIT, PQFP48, PLASTIC , LQFP-48, Consumer IC:Other
AD9845AJSTZRL	ADI	获取价格	IC SPECIALTY CONSUMER CIRCUIT, PQFP48, PLASTIC , LQFP-48, Consumer IC:Other
AD9845B	ADI	获取价格	Complete 12-Bit 30 MSPS CCD Signal Processor
AD9845BJST	ADI	获取价格	Complete 12-Bit 30 MSPS CCD Signal Processor
AD9845BJST	ROCHESTER	获取价格	暂无描述

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