参数资料
型号: DC1813A-A
厂商: Linear Technology
文件页数: 1/24页
文件大小: 0K
描述: BOARD SAR ADC LTC2370-16
软件下载: QuikEval II System
设计资源: DC1813A Design File
DC1813A Schematic
标准包装: 1
系列: QuikEval-II™
ADC 的数量: 1
位数: 16
采样率(每秒): 2M
数据接口: 串行,SPI?
输入范围: 0 ~ VREF
在以下条件下的电源(标准): 19mW @ 2MSPS
工作温度: 0°C ~ 70°C
已用 IC / 零件: LTC2370-16
已供物品:
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LTC2370-16
1
237016fa
16-Bit, 2Msps, Pseudo-
Differential Unipolar SAR
ADC with 94dB SNR
TYPICAL APPLICATION
FEATURES
DESCRIPTION
The LTC2370-16 is a low noise, low power, high speed
16-bit successive approximation register (SAR) ADC.
Operating from a 2.5V supply, the LTC2370-16 has a 0V
to VREF pseudo-differential unipolar input range with VREF
ranging from 2.5V to 5.1V. The LTC2370-16 consumes
only 19mW and achieves ±0.85LSB INL maximum, no
missing codes at 16 bits with 94dB SNR.
The LTC2370-16 has a high speed SPI-compatible serial
interface that supports 1.8V, 2.5V, 3.3V and 5V logic while
alsofeaturingadaisy-chainmode.Thefast2Mspsthrough-
put with no cycle latency makes the LTC2370-16 ideally
suited for a wide variety of high speed applications. An
internaloscillatorsetstheconversiontime,easingexternal
timingconsiderations.TheLTC2370-16automaticallypow-
ers down between conversions, leading to reduced power
dissipation that scales with the sampling rate.
32k Point FFT fS = 2Msps, fIN = 2kHz
APPLICATIONS
n
2Msps Throughput Rate
n
±0.85LSB INL (Max)
n
Guaranteed 16-Bit No Missing Codes
n
Low Power: 19mW at 2Msps, 19W at 2ksps
n
94dB SNR (Typ) at fIN = 2kHz
n
–112dB THD (Typ) at fIN = 2kHz
n
Guaranteed Operation to 125°C
n
2.5V Supply
n
Pseudo-Differential Unipolar Input Range: 0V to VREF
n
VREF Input Range from 2.5V to 5.1V
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-Lead 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 and
SoftSpan is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners. Protected by U.S. Patents, including 7705765.
5.1
VREF
0V
10nF
+
SAMPLE CLOCK
237016 TA01a
10F
0.1F
2.5V
REF
1.8V TO 5V
2.5V TO 5.1V
47F
(X5R, 0805 SIZE)
REF
GND
CHAIN
RDL/SDI
SDO
SCK
BUSY
CNV
LTC2370-16
LT6202
VDD
OVDD
IN+
IN
FREQUENCY (kHz)
0 100 200 300 400
800 900 1000
700
600
500
–180
AMPLITUDE
(dBFS)
–60
–40
–20
–80
–100
–120
–140
–160
0
237016 TA01b
SNR = 94dB
THD = –112dB
SINAD = 93.9dB
SFDR = 117dB
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