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參數(shù)資料
| 型號： | DC1082A-D |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD SAR ADC LTC1403A |
| 軟件下載： | QuikEval II System |
| 設(shè)計(jì)資源： | DC1082A Design File DC1082A Schematic |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | QuikEval-II™ |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 3M |
| 數(shù)據(jù)接口： | 串行，SPI? |
| 輸入范圍： | 0 ~ 2.5 V |
| 已用 IC / 零件： | LTC1403 |
| 已供物品： | 板 |
| 相關(guān)產(chǎn)品： | LTC1403HMSE#TRPBF-ND - IC ADC 12BIT 2.8MSPS DIFF 10MSOP LTC1403HMSE#PBF-ND - IC ADC 12BIT 2.8MSPS DIFF 10MSOP LTC1403AHMSE#TRPBF-ND - IC ADC 14BIT 2.8MSPS DIFF 10MSOP LTC1403AHMSE#PBF-ND - IC ADC 14BIT 2.8MSPS DIFF 10MSOP LTC1403ACMSE#PBF-ND - IC ADC 14BIT 2.8MSPS 10-MSOP LTC1403AIMSE-1#PBF-ND - IC ADC 14BIT 2.8MSPS 10-MSOP LTC1403ACMSE-1#PBF-ND - IC ADC 14BIT 2.8MSPS 10-MSOP LTC1403CMSE#PBF-ND - IC ADC 12BIT 2.8MSPS 10-MSOP LTC1403AIMSE#PBF-ND - IC ADC 14BIT 2.8MSPS 10-MSOP LTC1403IMSE#PBF-ND - IC ADC 12BIT 2.8MSPS 10-MSOP 更多... |
LTC1403/LTC1403A
1
1403fb
BLOCK DIAGRAM
FEATURES
APPLICATIONS
DESCRIPTION
Serial 12-Bit/14-Bit, 2.8Msps
Sampling ADCs with Shutdown
The LTC1403/LTC1403A are 12-bit/14-bit, 2.8Msps se-
rial ADCs with differential inputs. The devices draw only
4.7mA from a single 3V supply and come in a tiny 10-lead
MS package. A Sleep shutdown feature lowers power
consumption to 10μW. The combination of speed, low
power and tiny package makes the LTC1403/LTC1403A
suitable for high speed, portable applications.
The 80dB common mode rejection allows users to eliminate
ground loops and common mode noise by measuring
signals differentially from the source.
The devices convert 0V to 2.5V unipolar inputs differentially.
The absolute voltage swing for +AIN and –AIN extends from
ground to the supply voltage.
The serial interface sends out the conversion results during
the 16 clock cycles following CONV↑ for compatibility with
standard serial interfaces. If two additional clock cycles
for acquisition time are allowed after the data stream in
between conversions, the full sampling rate of 2.8Msps
can be achieved with a 50.4MHz clock.
■
2.8Msps Conversion Rate
■
Low Power Dissipation: 14mW
■
3V Single Supply Operation
■
–40°C to 125°C Guaranteed Operation
■
2.5V Internal Bandgap Reference can be Overdriven
■
3-Wire Serial Interface
■
Sleep (10μW) Shutdown Mode
■
Nap (3mW) Shutdown Mode
■
80dB Common Mode Rejection
■
0V to 2.5V Unipolar Input Range
■
Tiny 10-Lead MS Package
■
Automotive
■
Communications
■
Data Acquisition Systems
■
Uninterrupted Power Supplies
■
Multiphase Motor Control
■
Multiplexed Data Acquisition
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
–
+
1
2
7
3
4
S & H
GND
EXPOSED PAD
LTC1403A
VREF
10
μF
AIN
–
AIN
+
14-BIT ADC
3V
10
μF
14
14-BIT
LA
TCH
8
10
9
THREE-
STATE
SERIAL
OUTPUT
PORT
2.5V
REFERENCE
TIMING
LOGIC
VDD
SDO
CONV
SCK
1403A TA01
5
6
11
FREQUENCY (MHz)
0.1
–80
THD,
2nd,
SFDR,
3rd
(dB)
–74
–68
–62
–56
1
10
100
1403A TA02
–86
–92
–98
–104
–50
–44
THD
3rd
2nd, SFDR
2nd, 3rd and SFDR vs
Input Frequency
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