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AD9806KST

更新时间： 2024-01-24 20:29:38
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
12页 134K
描述
Complete 10-Bit 18 MSPS CCD Signal Processor

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AD9806KST 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：PLASTIC, LQFP-48针数：48
Reach Compliance Code：unknown风险等级：5.82
商用集成电路类型：CONSUMER CIRCUITJESD-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

AD9806KST 数据手册

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AD9806  
APPLICATION INFORMATION  
Grounding and Decoupling Recommendations  
Table I. AD9806/AD9803 Pin Differences  
Pin  
No.  
As shown in Figure 10, a single ground plane is recommended  
for the AD9806. This ground plane should be as continuous as  
possible, particularly around Pins 25 through 37. This will ensure  
that all analog decoupling capacitors provide the lowest possible  
impedance path between the power and bypass pins and their  
respective ground pins. All decoupling capacitors should be  
located as close as possible to the package pins. A single clean  
power supply is recommended for the AD9806, but a separate  
digital driver supply may be used for DRVDD (Pin 12). DRVDD  
should always be decoupled to DRVSS (Pin 13), which should  
be connected to the analog ground plane. The advantages of  
using a separate digital driver supply include using a lower volt-  
age (2.7 V) to match levels with a 2.7 V ASIC, reducing digital  
power dissipation, and reducing potential noise coupling.  
AD9803  
AD9806  
Circuit Connection  
1
NC  
NC  
Ground  
15  
24  
25  
ACLP  
NC  
NC  
NC  
Ground  
Ground  
CCDBYP2  
CLPOUT  
Decoupled with 0.1 µF  
to Ground  
27  
28  
PIN  
CCDBYP2  
NC  
CLPREF  
Shorted to Pin 26  
Decoupled with 0.1 µF  
to Ground  
29  
PGABYP1  
NC  
Decoupled with 0.1 µF  
to Ground  
30  
35  
PGABYP2  
AUXCONT  
NC  
AUXMID  
Shorted to Pin 29  
Ground, or decoupled  
with 0.1 µF to Ground  
Decoupled with 0.1 µF  
to Ground  
Using the AD9806 in AD9803 Sockets  
38  
VTRBYP  
NC  
The AD9806 may be easily used in existing AD9803 designs  
without any circuit modifications. Most of the pin assignments  
are the same for both ICs. Table I outlines the differences. The  
circuit of Figure 10 shows the necessary connections for the  
AD9806 when used in an existing AD9803 socket. If the two  
auxiliary DACs are not used, then Pins 39 and 40 (DAC1 and  
DAC2) may be grounded. If the AUX or ADC modes are needed,  
then the input signal should be connected to either AUXIN or  
ADCIN through a 0.1 µF capacitor, in the same way that  
CCDIN is used with the input signal.  
Using the AD9806 in New Designs  
Figure 11 shows the recommended circuit for using the AD9806  
in new designs. Three external decoupling capacitors have been  
removed from the circuit shown in Figure 9, one from Pin 29,  
one from Pin 38, and one from between Pins 47 and 48. Note  
that the decoupling capacitors for Pins 47 (VRB) and 48 (VRT)  
must be increased to 1.0 µF when used in this configuration.  
SDATA  
SCK  
SL  
V
DD  
0.1␮F  
VOUT2  
VOUT1  
0.1␮F  
0.1␮F  
0.1␮F  
0.1␮F  
1.0␮F  
48 47 46 45 44 43 42 41 40 39 38 37  
V
DD  
1
2
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
NC  
ADCIN  
D0 (LSB)  
D1  
AUXMID  
AUXIN  
ACVDD  
CLPBYP  
ACVSS  
NC  
3
0.1␮F  
4
D2  
0.1␮F  
5
D3  
6
D4  
AD9806  
7
D5  
0.1␮F  
0.1␮F  
0.1␮F  
8
D6  
NC  
9
D7  
CLPREF  
NC  
10  
D8  
CCD  
SIGNAL  
INPUT  
11 D9 (MSB)  
12  
DIN  
DIGITAL  
OUTPUT  
DATA  
DRVDD  
CLPOUT  
0.1␮F  
13 14 15 16 17 18 19 20 21 22 23 24  
V
DD  
0.1␮F  
CLPDM  
SHD  
SHP  
CLPOB  
PBLK  
V
DD  
0.1␮F  
NC = NO CONNECT  
ADCCLK  
Figure 10. CCD-Mode Circuit Configuration Used in AD9803 Socket  
–11–  
REV. 0  
1...89101112

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