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AD6600AST

更新时间： 2024-02-16 23:02:47
品牌 Logo 应用领域
罗彻斯特 - ROCHESTER 转换器
页数 文件大小 规格书
25页 988K
描述
2-CH 11-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP44, PLASTIC, LQFP-44

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AD6600AST 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Active零件包装代码：QFP
包装说明：LQFP,针数：44
Reach Compliance Code：unknown风险等级：5.41
Is Samacsys：N转换器类型：ADC, PROPRIETARY METHOD
JESD-30 代码：S-PQFP-G44JESD-609代码：e0
长度：10 mm湿度敏感等级：3
模拟输入通道数量：2位数：11
功能数量：1端子数量：44
最高工作温度：85 °C最低工作温度：-40 °C
输出位码：2'S COMPLEMENT BINARY输出格式：PARALLEL, WORD
封装主体材料：PLASTIC/EPOXY封装代码：LQFP
封装形状：SQUARE封装形式：FLATPACK, LOW PROFILE
峰值回流温度（摄氏度）：240采样速率：20 MHz
采样并保持/跟踪并保持：TRACK座面最大高度：1.6 mm
标称供电电压：5 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：TIN LEAD
端子形式：GULL WING端子节距：0.8 mm
端子位置：QUAD处于峰值回流温度下的最长时间：30
宽度：10 mmBase Number Matches：1

AD6600AST 数据手册

 浏览型号AD6600AST的Datasheet PDF文件第18页浏览型号AD6600AST的Datasheet PDF文件第19页浏览型号AD6600AST的Datasheet PDF文件第20页浏览型号AD6600AST的Datasheet PDF文件第22页浏览型号AD6600AST的Datasheet PDF文件第23页浏览型号AD6600AST的Datasheet PDF文件第24页 
AD6600  
The layout of the Encode circuit is equally critical. Any noise  
received on this circuitry will result in corruption in the digitiza-  
tion process and lower overall performance. The Encode clock  
must be isolated from the digital outputs and the analog inputs.  
The Encode signal may be generated using an on-board crystal  
oscillator, U100. If an on-board crystal is used, R104 must be  
removed from the board to prevent loading of the oscillator’s  
output. The on-board oscillator may be replaced by an external  
encode source via the SMA connector labeled ENCODE. If an  
external source is used, it must be a high quality and very low  
phase noise source. The high IF range of the AD6600 (70 MHz  
–250 MHz) demands that the Encode clock be sufficiently pure  
to maintain performance.  
Evaluation Board  
The evaluation board for the AD6600 is straightforward, con-  
taining all required circuitry for evaluating the device. The only  
external connections required are power supplies, clock and the  
analog inputs. The evaluation board includes the option for an  
on-board, clock oscillator for encode.  
The AD6600 output data is latched using 74LCX574 (U201,  
U202) latches. The clock for these latches is determined by  
jumper selection on header J1. The clock can be a delayed ver-  
sion of the encode clock (CLKA, CLKB), or the CLK2× gener-  
ated by the AD6600. A clock is also distributed with the output  
data (J201) that is labeled CLKX (Pin 11, J201). The CLK× is  
selected with jumpers on header J1 and can be CLKA, CLKB,  
or CLK2×.  
Power to the analog supply pins of the AD6600 is connected via  
the power terminal block (TB1). Power for the digital interface  
is supplied via Pin 1 of J201, or the VDD e-hole located adja-  
cent to J201. The VDD supply can vary between 3.3 V to 5.0 V  
and sets the level for the output digital data (J201). The J201  
connector mates directly with the AD6620 (Receive Signal  
Processor) evaluation board, Part # AD6620S/PCB, allowing  
complete evaluation of system performance.  
The resonant LC filter components (SEL2, C2 and C3) are  
omitted. The user must install proper values based on the IF  
chosen. See Understanding the External Analog Filter section of  
the data sheet for guidelines on selecting these components.  
The two analog inputs are connected via SMA connectors  
AIN and BIN, which are transformer-coupled to the AD6600  
inputs. The transformers have a turns-ratio of 1:4 to match  
the input resistance of the AD6600 (200 Ω) to 50 Ω at the  
SMA connectors.  
Table VI. AD6600ST/PCB Bill of Material  
Item  
Quantity  
Reference  
Description  
1
2
3
14  
AIN, BIN, ENCODE  
C1, C102–108, C114, C117–118,  
SMA Connector  
Ceramic Chip Capacitor 1206, 0.1 µF  
C120–121, C299  
C100–101  
C111  
C112–C113, C115–116  
CR1–2  
DUT  
J1  
J201  
R1–2  
R100–R101  
R103  
R104  
R298–R299  
T1–T2, T4  
TB1  
U201–U202  
U204  
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
2
1
4
2
1
1
1
2
2
1
1
2
3
1
2
1
Tantalum Chip Capacitor, 10 µF  
Ceramic Chip Capacitor 0805, 0.1 µF  
Ceramic Chip Capacitor 0508, 0.1 µF  
1N2810 Schottky Diode  
AD6600AST  
20-Pin Double Row Male Header  
50-Pin Double Row Male Header, Right Angle  
Omitted  
Surface Mount Resistor 1206, 10 kΩ  
Surface Mount Resistor 1206, 100 Ω  
Surface Mount Resistor 1206, 50 Ω  
Surface Mount Resistor 1206, 2 kΩ  
Surface Mount Transformer Mini-Circuits T4–1T  
PCTB2 Terminal Block  
74LCX574 Octal Latch  
74LVQ00 Two Input NAND Gate  
–20–  
REV. 0  
1...1819202122232425

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