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| 型号： | LTC2451ITS8#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT DELTA SIG TSOT23-8 |
| 产品培训模块： | LTC2460 and LTC2450 Delta Sigma ADC Families |
| 标准包装： | 1 |
| 位数： | 16 |
| 采样率（每秒）： | 60 |
| 数据接口： | I²C，串行 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 1.2mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 薄型，TSOT-23-8 |
| 供应商设备封装： | TSOT-23-8 |
| 包装： | 标准包装 |
| 输入数目和类型： | 1 个单端，单极 |
| 产品目录页面： | 1348 (CN2011-ZH PDF) |
| 其它名称： | LTC2451ITS8#TRMPBFDKR |
LTC2451
1
2451fg
TYPICAL APPLICATION
FEATURES
DESCRIPTION
Ultra-Tiny, 16-Bit
∑ ADC
with I2C Interface
The LTC2451 is an ultra-tiny, 16-bit, analog-to-digital
converter. The LTC2451 uses a single 2.7V to 5.5V sup-
ply, accepts a single-ended analog input voltage and
communicates through an I2C interface. The converter
is available in an 8-pin, 3mm × 2mm DFN or TSOT-23
package. It includes an integrated oscillator that does not
require any external components. It uses a delta-sigma
modulator as a converter core and provides single-cycle
settling time for multiplexed applications. The LTC2451
includes a proprietary input sampling scheme that re-
duces the average input sampling current several orders
of magnitude lower than conventional ∑ converters.
The LTC2451 is capable of up to 60 conversions per
second and, due to the very large oversampling ratio,
has extremely relaxed antialiasing requirements. In the
30Hz mode, the LTC2451 includes continuous internal
offset calibration algorithms which are transparent to the
user, ensuring accuracy over time and over the operating
temperature range. The converter has external REF+ and
REF– pins and the input voltage can range from VREF– to
VREF+. If VREF+ = VCC and VREF– = GND, the input voltage
can range from GND to VCC.
Following a single conversion, the LTC2451 can auto-
matically enter sleep mode and reduce its power to less
than 0.2A. If the user reads the ADC once per second,
the LTC2451 consumes an average of less than 50W
from a 2.7V supply.
n
GND to VCC Single-Ended Input Range
n
0.02LSB RMS Noise
n
2LSB INL, No Missing Codes
n
1LSB Offset Error
n
4LSB Full-Scale Error
n
Programmable 30/60 Conversions per Second
n
Single Conversion Settling Time for Multiplexed
Applications
n
Single-Cycle Operation with Auto Shutdown
n
400A Supply Current
n
0.2A Sleep Current
n
Internal Oscillator—No External Components Required
n
Single Supply, 2.7V to 5.5V Operation
n
2-Wire I2C Interface
n
Ultra-Tiny 3mm × 2mm DFN or TSOT-23 Package
APPLICATIONS
n
System Monitoring
n
Environmental Monitoring
n
Direct Temperature Measurements
n
Instrumentation
n
Industrial Process Control
n
Data Acquisition
n
Embedded ADC Upgrades
Integral Nonlinearity, VCC = 3V
SENSOR
SCL
2-WIRE I2C
INTERFACE
SDA
0.1F
10F
2.7V TO 5.5V
1k
IN
REF+ VCC
REF– GND
LTC2451
2451 TA01a
0.1F
INPUT VOLTAGE (V)
0
–3
INL
(LSB)
–2
–1
0
1
3
0.5
1
1.5
2
2451 TA01b
2.5
3
2
TA = –45°C, 25°C
TA = 90°C
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. No Latency ∑ and Easy Drive are trademarks of Linear Technology
Corporation. All other trademarks are the property of their respective owners. Protected by U.S.
Patents, including 6208279, 6411242, 7088280, 7164378.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC2452CDDB#PBF | 制造商:Linear Technology 功能描述:ADC Single Delta-Sigma 60sps 16-bit Serial 8-Pin DFN EP 制造商:Linear Technology 功能描述:Bulk |
| LTC2452CDDB#TRMPBF | 功能描述:IC ADC 16BIT DELTA SIG 8-DFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 位数:10 采样率（每秒）:357k 数据接口:DSP，MICROWIRE?，QSPI?，串行，SPI? 转换器数目:1 功率耗散（最大）:830µW 电压电源:单电源 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:剪切带 (CT) 输入数目和类型:2 个单端，单极；2 个单端，双极；1 个差分，单极；1 个差分，双极 产品目录页面:1396 (CN2011-ZH PDF) 其它名称:MAX1395ETB+TCT |
| LTC2452CDDB#TRPBF | 功能描述:IC ADC 16BIT DELTA SIG 8-DFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:2,500 系列:- 位数:16 采样率（每秒）:15 数据接口:MICROWIRE?，串行，SPI? 转换器数目:1 功率耗散（最大）:480µW 电压电源:单电源 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:38-WFQFN 裸露焊盘 供应商设备封装:38-QFN（5x7） 包装:带卷 (TR) 输入数目和类型:16 个单端，双极；8 个差分，双极 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
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