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參數資料
| 型號： | AD9806KST |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 消費家電 |
| 英文描述： | Complete 10-Bit 18 MSPS CCD Signal Processor |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | PLASTIC, LQFP-48 |
| 文件頁數： | 8/12頁 |
| 文件大小： | 134K |
| 代理商： | AD9806KST |
REV. 0
AD9806
–8–
PGA GAIN REGISTER CODE
34
0
P
–
127
255
383
511
639
767
895
1023
28
22
16
10
4
–
2
Figure 5a. PGA Gain Curve for CCD-Mode
AUXMID
0.1 F
PGA GAIN
REGISTER
9
5k
0.4V
0.4V
INPUT SIGNAL
V
0.8V
0.4V
–
4 dB TO +14dB
PIN 35
PGA
ADC
MIDSCALE
Figure 6. AUXMID-Mode Circuit Block Diagram
H
SYNC
INTERNAL CLAMPING
OCCURS DURING SYNC
VIDEO
SIGNAL
INPUT
CLAMP INTERVAL
(AD9806 INTERNAL
SIGNAL)
NOTE: The AD9806 uses an “automatic” video clamp that senses the most negative in the input signal and uses this level to set the clamp voltage.
As shown in the video waveform above, the SYNC level will be clamped to the black level specified in the E-Register.
Figure 4. AUX-MODE and ADC-MODE Clamp Operation
PGA GAIN REGISTER CODE
14
P
–
639
767
895
1023
11
8
5
2
–
1
512
–
4
Figure 5b. PGA Gain Curve for AUXMID-Mode
PGA GAIN CURVE DETAILS
In CCD-Mode, the AD9806 PGA stage provides a gain range
of 0 dB to 34 dB, programmable with 10-bit resolution through
the serial digital interface. The PGA gain curve is divided into
two separate regions. When the PGA Gain Register code is
between 0, and 511, the curve follows a (1 + x)/(1 – x) shape,
which is similar to a “linear-in-dB” characteristic. From Code
512 to Code 1023, the curve follows a “linear-in-dB” shape. In
AUXMID-Mode, the PGA provides a gain range of –4 dB to
+14 dB, programmable with 9-bit resolution. The exact PGA
gain for either mode can be calculated for any Gain Register
value by using the following equations:
TIMING SPECIFICATIONS (Continued)
CCD-MODE
Code Range Gain Equation (dB)
0–511
Gain
= 20 log
10
([658 +
code
]/[658 –
code
]) – 2.4
512–1023
Gain
= (0.0354)(
code
) – 2.4
AUXMID-MODE
Code Range Gain Equation (dB)
512–1023
Gain
= 20 log
10
([146 +
code
]/[1170 –
code
]) – 4
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相關代理商/技術參數 |
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| AD9806KSTRL | 制造商:Analog Devices 功能描述:AFE Video 1ADC 10-Bit 3.3V 48-Pin LQFP T/R |
| AD9806KSTZ | 功能描述:IC CCD SIGNAL PROC 10BIT 48LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 傳感器和探測器接口 系列:- 其它有關文件:Automotive Product Guide 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數字 輸出類型:數字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:20-TSSOP 包裝:管件 |
| AD9806KSTZRL | 功能描述:IC CCD SIGNAL PROC 10BIT 48LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 傳感器和探測器接口 系列:- 其它有關文件:Automotive Product Guide 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數字 輸出類型:數字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:20-TSSOP 包裝:管件 |
| AD9807 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Complete 12-Bit/10-Bit 6 MSPS CCD/CIS Signal Processors |
| AD9807JS | 制造商:AD 制造商全稱:Analog Devices 功能描述:Complete 12-Bit/10-Bit 6 MSPS CCD/CIS Signal Processors |
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