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參數(shù)資料
| 型號(hào)： | AD9814JR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | LABELS,CABLE MARKERS,CABLE MARKERS,LABELS, CABLE MARKERS,WIRE IDENTIFICATION AND MARKING SYSTEMS,SHRINK TUBING LABELS ,KROY RoHS Compliant: NA |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO28 |
| 封裝： | 0.300 INCH, SOIC-28 |
| 文件頁(yè)數(shù)： | 13/15頁(yè) |
| 文件大?。?/td> | 160K |
| 代理商： | AD9814JR |
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REV. 0
–13–
AD9814
Figure 12 shows how the OFFSET pin may be used in a CIS
application for coarse offset adjustment. Many CIS signals have
dc offsets ranging from several hundred millivolts to more than
1 V. By connecting the appropriate dc voltage to the OFFSET
pin, the CIS signal will be restored to “zero.” After the large dc
offset is removed, the signal can be scaled using the PGA to
maximize the ADC’s dynamic range.
AD9814
OFFSET
RED-OFFSET
GREEN-OFFSET
BLUE-OFFSET
VINR
VING
VINB
RED
GREEN
BLUE
0.1
m
F
AVDD
VREF FROM
CIS MODULE
DC OFFSET
R1
R2
SHA
SHA
SHA
Figure 12. SHA-Mode Used with External DC Offset
Programmable Gain Amplifiers
The AD9814 uses one Programmable Gain Amplifier (PGA) for
each channel. Each PGA has a gain range from 1x (0 dB) to
5.8x (15.5 dB), adjustable in 64 steps. Figure 6 shows the PGA
gain as a function of the PGA register code. Although the gain
curve is approximately “l(fā)inear in dB”, the gain in V/V varies
nonlinearly with register code, following the equation:
Gain
G
=
+
5 8
.
1
4 8
.
63
63
where
G
is the decimal value of the gain register contents, and
varies from 0 to 63.
PGA REGISTER VALUE – Decimal
15
0
G
12
9
6
3
0
4
8
12 16 20 24 28 32 36 40 44 48 52 56 6063
6.0
5.0
4.0
3.0
2.0
1.0
G
Figure 13. PGA Gain Transfer Function
0
2000
4000
6000
8000
10000 12000 14000
16383
1.0
0.8
0.6
0.4
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
DNL GRAPH
MAX DNL +0.48
MIN DNL –0.39
5.0
4.0
3.0
2.0
1.0
0.0
–1.0
–2.0
–3.0
–4.0
–5.0
0
2000
4000
6000
8000
10000 12000 14000
16383
INL GRAPH
MAX INL +1.22
MIN INL –4.06
L
L
Figure 14. Typical Linearity Performance
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD9814KR | Complete 14-Bit CCD/CIS Signal Processor |
| AD9816-EB | Complete 12-Bit 6 MSPS CCD/CIS Signal Processor |
| AD9816JS | Complete 12-Bit 6 MSPS CCD/CIS Signal Processor |
| AD9816JS-80010 | Complete 12-Bit 6 MSPS CCD/CIS Signal Processor |
| AD9816 | Complete 12-Bit 6 MSPS CCD/CIS Signal Processor(12位的采樣速率為6MSPS的CCD/CIS信號(hào)處理器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9814JRRL | 功能描述:IC CCD SIGNAL PROC 14BIT 28-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 傳感器和探測(cè)器接口 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數(shù)字 輸出類型:數(shù)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(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 |
| AD9814KR | 制造商:Analog Devices 功能描述:AFE Video 1ADC 14-Bit 5V 28-Pin SOIC W 制造商:Analog Devices 功能描述:14 BIT 6 MSPS SCANNER ANALOG FRONT END - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:14 BIT 6 MSPS SCANNER ANALOG FRONT END - Bulk |
| AD9814KRRL | 制造商:Analog Devices 功能描述:AFE Video 1ADC 14-Bit 5V 28-Pin SOIC W 制造商:Analog Devices 功能描述:14 BIT 6 MSPS SCANNER ANALOG FRONT END - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:14 BIT 6 MSPS SCANNER ANALOG FRONT END - Bulk |
| AD9814S | 制造商:AD 制造商全稱:Analog Devices 功能描述:14-Bit CCD/CIS Signal Processor |
| AD9816 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Complete 12-Bit 6 MSPS CCD/CIS Signal Processor |
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