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參數(shù)資料
| 型號： | ADCDS-1403 |
| 廠商： | CD TECHNOLOGIES INC |
| 元件分類： | ADC |
| 英文描述： | 14-Bit, 3 Megapixels/Second Imaging Signal Processor |
| 中文描述： | 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, DIP40 |
| 封裝： | TDIP-40 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 198K |
| 代理商： | ADCDS-1403 |
ADCDS -1403
4
Inverting Mode
The inverting mode of operation can be used in applications
where the analog input to the ADCDS-1403 has a video input
signal whose amplitude is more positive than its associated
reference level.
The ADCDS-1403's correlated double
sampler (i.e. input amplifier's V
OUT
) requires that the video
signal's amplitude be more negative than its reference
level at all times (see timing diagram for details).
Using the
ADCDS-1403 in the inverting mode allows the designer to
perform an additional signal inversion to correct for any
analog "front end" pre-processing that may have occurred
prior to the ADCDS-1403.
Figure 2e. describes the typical configuration for applications
using a video input signal with a maximum amplitude of
0.350Vp-p. Additional fine gain adjustments can be made
using the Fine Gain Adjust function (pin 1). The coarse gain
of this circuit can be determined from the following equation:
V
OUT
= 2.8Vp-p =
–
V
IN
*(523/75), with all internal resistors
having a 1% tolerance.
Figure 2f. describes the typical configuration used in
applications needing to invert video input signals whose
amplitude is greater than 0.350Vp-p. Using a single external
series resistor (see Figure 4.), the initial gain of the ADCDS-
1403 can be set, with additional fine gain adjustments being
made using the Fine Gain Adjust function (pin 1). The coarse
gain of this circuit can be determined from the following
equation:
V
OUT
= 2.8Vp-p =
–
V
IN
*(523/75+Rext), with all internal
resistors having a 1% tolerance.
Figure 4. Coarse Gain Adjustment Plot
Non-Inverting Mode
The non-inverting mode of the ADCDS-1403 allows the
designer to either attenuate or add non-inverting gain to the
video input signal. This configuration also allows bypassing
the ADCDS-1403's internal coupling capacitor, allowing the
user to provide an external capacitor of appropriate value.
Figure 2c. describes the typical configuration for applications
using video input signals with amplitudes greater than
0.350Vp-p and less than 2.8Vp-p (with common mode limit of
±2.5V DC). Using a single external series resistor (see
Figure 4.), the coarse gain of the ADCDS-1403 can be set
with additional fine gain adjustments being made using the
Fine Gain Adjust function (pin 1 see Figure 5). The coarse
gain of the circuit can be determined from the following
equation:
V
OUT
= 2.8Vp-p = V
IN
*(1+(523/(75+Rext))), with all internal
resistors having a 1% tolerance.
Figure 2d. describes the typical configuration for applications
using a video input signal whose amplitude is greater than
2.8Vp-p. Using a single external series resistor (Rext 1) in
conjunction with the internal 5K (1%) resistor to ground, an
attenuation of the input signal can be achieved. Additional fine
gain adjustments being made using the Fine Gain Adjust
function (pin 1). The coarse gain of this circuit can be
determined from the following equation:
V
OUT
= 2.8Vp-p = [V
IN
*(5000/(Rext1+5000))]*
[1+(523/(75+Rext2))], with all internal resistors having
a 1% tolerance.
Figure 2d.
Figure 2e.
4
3
5
75
523
NO CONNECT
V
OUT
= 2.8Vp-p
5k
0.01μF
Rext1
V
IN
Rext2
4
3
5
75
523
NO CONNECT
V
OUT
= 2.8Vp-p
5k
0.01μf
–
V
IN
4
3
5
75
523
NO CONNECT
V
OUT
= 2.8Vp-p
5k
0.01μf
–
V
IN
Rext
Figure 2f.
Figure 3. Offset Adjustment Circuit
Offset
Adjust
2
External
Series
Resistor
ADCDS-1403
+5V
–
5V
20K
!
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADCDS-1403EX | 制造商:Murata Power Solutions 功能描述:Video Proc 12V/5V/-5V 0.016A/0.046A/-0.035A 40-Pin TDIP |
| ADCDS-1405 | 制造商:Murata Power Solutions 功能描述:CCD Signal Processor 40-Pin TDIP |
| ADCDS-1405EX | 制造商:Murata Power Solutions 功能描述:CCD Signal Processor 40-Pin TDIP |
| ADCDS-1410 | 功能描述:多媒體雜項 0 to 70C TDIP 40pin 14Bit 10Mpixel RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉(zhuǎn)換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube |
| ADCDS-1410EX | 制造商:MURATA-PS 制造商全稱:Murata Power Solutions Inc. 功能描述:14-Bit, 10 Megapixels/Second, CCD Signal Processor |
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