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參數(shù)資料
| 型號： | DC1571A-C |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD SAR ADC LTC2381-16 |
| 軟件下載： | QuikEval II System |
| 設計資源： | DC1571A Design Files DC1571A Schematic |
| 標準包裝： | 1 |
| 系列： | QuikEval™ |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 250k |
| 數(shù)據(jù)接口： | 串行，SPI? |
| 輸入范圍： | ±2.5 V |
| 在以下條件下的電源（標準）： | 3.25mW @ 250kSPS |
| 工作溫度： | 0°C ~ 70°C |
| 已用 IC / 零件： | LTC2381-16 |
| 已供物品： | 板 |
| 相關產(chǎn)品： | DC718C-ND - DEMO QUIKEVAL-II DATA DC590B-ND - BOARD DEMO USB SERIAL CONTROLLER LTC2381IMS-16#TRPBF-ND - IC ADC 16BIT 1CH 250KSPS 16-MSOP LTC2381IMS-16#PBF-ND - IC ADC 16BIT 1CH 250KSPS 16-MSOP LTC2381IDE-16#TRPBF-ND - IC ADC 16BIT 1CH 250KSPS 16-DFN LTC2381IDE-16#PBF-ND - IC ADC 16BIT 1CH 250KSPS 16-DFN LTC2381HMS-16#TRPBF-ND - IC ADC 16BIT 1CH 250KSPS 16-MSOP LTC2381HMS-16#PBF-ND - IC ADC 16BIT 1CH 250KSPS 16-MSOP LTC2381CMS-16#TRPBF-ND - IC ADC 16BIT 1CH 250KSPS 16-MSOP LTC2381CDE-16#TRPBF-ND - IC ADC 16BIT 1CH 250KSPS 16-DFN 更多... |
LTC2381-16
1
238116f
TYPICAL APPLICATION
FEATURES
DESCRIPTION
16-Bit, 250ksps, Low Power
SAR ADC with Serial Interface
The LTC2381-16 is a low noise, low power, high speed
16-bit successive approximation register (SAR) ADC.
Operating from a 2.5V supply, the LTC2381-16 has a
±2.5V fully differential input range. The LTC2381-16
consumes only 3.25mW and achieves ±2LSB INL max,
no missing codes at 16-bits and 92dB SNR.
The LTC2381-16 has a high speed SPI-compatible serial
interface that supports 1.8V, 2.5V, 3.3V and 5V logic
while also featuring a daisychain mode. The fast 250ksps
throughput with no cycle latency makes the LTC2381-16
ideally suited for a wide variety of high speed applica-
tions. An internal oscillator sets the conversion time,
easing external timing considerations. The LTC2381-16
automatically powers down between conversions, lead-
ing to reduced power dissipation that scales with the
sampling rate.
The LTC2381-16 features a proprietary sampling
architecture that enables the ADC to begin acquiring the
next sample during the current conversion. The resulting
extended acquisition time of 3.25μs allows the use of
extremely low power ADC drivers.
32k Point FFT fS = 250ksps, fIN = 20kHz
APPLICATIONS
n 250ksps Throughput Rate
n ±2LSB INL (Max)
n Guaranteed 16-Bit No Missing Codes
n Low Power: 3.25mW at 250ksps, 13μW at 1ksps
n 92dB SNR (typ) at fIN = 20kHz
n Extended Acquisition Time of 3.25μs Allows Use of
Lower Power Drivers
n Guaranteed Operation to 125°C
n 2.5V Supply
n Fully Differential Input Range ±2.5V
n External 2.5V Reference Input
n No Pipeline Delay, No Cycle Latency
n 1.8V to 5V I/O Voltages
n SPI-Compatible Serial I/O with Daisy-Chain Mode
n Internal Conversion Clock
n 16-pin MSOP and 4mm × 3mm DFN Packages
n Medical Imaging
n High Speed Data Acquisition
n Portable or Compact Instrumentation
n Industrial Process Control
n Low Power Battery-Operated Instrumentation
n ATE
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
FREQUENCY (kHz)
0
25
50
75
100
125
–180
AMPLITUDE
(dBFS)
–60
–40
–20
–80
–100
–120
–140
–160
0
238116 TA02a
SNR = 91.8dB
THD = –106dB
SINAD = 91.6dB
SFDR = 107dB
LT6350
ANALOG INPUT
0V TO 2.5V
SINGLE-ENDED-
TO-DIFFERENTIAL
DRIVER
50Ω
100Ω
50Ω
3300pF
10μF
0.1μF
2.5V
REF
GND
1.8V TO 5V
SAMPLE CLOCK
CHAIN
RDL/SDI
SDO
SCK
BUSY
CNV
LTC2381-16
IN+
VDD
OVDD
IN–
2.5V
47μF
(X5R, 0805 SIZE)
238116 TA01
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