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参数资料
| 型号： | LTC2379HMS-18#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | ADC |
| 英文描述： | 1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| 封装： | LEAD FREE, PLASTIC, MSOP-16 |
| 文件页数： | 1/24页 |
| 文件大小： | 2848K |
| 代理商： | LTC2379HMS-18#TRPBF |
LTC2379-18
1
237918f
TYPICAL APPLICATION
FEATURES
DESCRIPTION
18-Bit, 1.6Msps, Low Power
SAR ADC with 101.2dB SNR
The LTC2379-18 is a low noise, low power, high speed
18-bit successive approximation register (SAR) ADC. Op-
erating from a 2.5V supply, the LTC2379-18 has a ±VREF
fullydifferentialinputrangewithVREFrangingfrom2.5Vto
5.1V.TheLTC2379-18consumesonly18mWandachieves
±2LSB INL maximum, no missing codes at 18-bits with
101.2dB SNR.
The LTC2379-18 has a high speed SPI-compatible se-
rial interface that supports 1.8V, 2.5V, 3.3V and 5V logic
while also featuring a daisychain mode. The fast 1.6Msps
throughput with no cycle latency makes the LTC2379-18
ideally suited for a wide variety of high speed applications.
Aninternaloscillatorsetstheconversiontime,easingexter-
nal timing considerations. The LTC2379-18 automatically
powers down between conversions, leading to reduced
power dissipation that scales with the sampling rate.
The LTC2379-18 features a unique digital gain compres-
sion(DGC)function,whicheliminatesthedriveramplifier’s
negative supply while preserving the full resolution of the
ADC. When enabled, the ADC performs a digital scaling
function that maps zero-scale code from 0V to 0.1 VREF
and full-scale code from VREF to 0.9 VREF. For a typical
reference voltage of 5V, the full-scale input range is now
0.5V to 4.5V, which provides adequate headroom for
powering the driving amplifier from a single 5.5V supply.
32k Point FFT fS = 1.6Msps, fIN = 2kHz
APPLICATIONS
n
1.6Msps Throughput Rate
n
±2LSB INL (Max)
n
Guaranteed 18-Bit No Missing Codes
n
Low Power: 18mW at 1.6Msps, 18W at 1.6ksps
n
101.2dB SNR (typ) at fIN = 2kHz
n
–120dB THD (typ) at fIN = 2kHz
n
Digital Gain Compression (DGC)
n
Guaranteed Operation to 125°C
n
2.5V Supply
n
Fully Differential Input Range ±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 Daisychain 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
FREQUENCY (kHz)
0
100 200 300 400
800
700
600
500
–180
AMPLITUDE
(dBFS)
–60
–40
–20
–80
–100
–120
–140
–160
0
237918 TA02
SNR = 101.2dB
THD = –120dB
SINAD = 101.1dB
SFDR = 121dB
20
VREF
0V
VREF
0V
20
3300pF
–
+
VREF
SAMPLE CLOCK
237918 TA01
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
REF/DGC
LTC2379-18
VDD
OVDD
IN+
IN–
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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC2379IDE-18#PBF | 功能描述:IC ADC 18BIT SPI/SRL 16DFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:microPOWER™ 位数:8 采样率（每秒）:1M 数据接口:串行，SPI? 转换器数目:1 功率耗散（最大）:- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘（4x4） 包装:Digi-Reel® 输入数目和类型:8 个单端，单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6 |
| LTC2379IDE-18#PBF-ES | 制造商:Linear Technology 功能描述:18-BIT, 1.6MSPS, 101DB SNR, LO |
| LTC2379IDE-18#TRPBF | 功能描述:IC ADC 18BIT SPI/SRL 16DFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:- 位数:14 采样率（每秒）:83k 数据接口:串行，并联 转换器数目:1 功率耗散（最大）:95mW 电压电源:双 ± 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:28-DIP（0.600"，15.24mm） 供应商设备封装:28-PDIP 包装:管件 输入数目和类型:1 个单端，双极 |
| LTC2379IDE-18#TRPBF-ES | 制造商:Linear Technology 功能描述:ADC Single SAR 1.6Msps 18-bit Serial 16-Pin DFN EP T/R |
| LTC2379IMS-18#PBF | 功能描述:IC ADC 18BIT SPI/SRL 16MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 其它有关文件:TSA1204 View All Specifications 标准包装:1 系列:- 位数:12 采样率（每秒）:20M 数据接口:并联 转换器数目:2 功率耗散（最大）:155mW 电压电源:模拟和数字 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-TQFP 供应商设备封装:48-TQFP（7x7） 包装:Digi-Reel® 输入数目和类型:4 个单端，单极；2 个差分，单极 产品目录页面:1156 (CN2011-ZH PDF) 其它名称:497-5435-6 |
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