LTC2442CG#PBF

更新时间： 2024-09-23 13:09:47

品牌	Logo	应用领域
凌特 - Linear		放大器功率放大器
页数	文件大小	规格书
32页	395K
描述
LTC2442 - 24-Bit High Speed 4-Channel Delta Sigma ADC with Integrated Amplifier; Package: SSOP; Pins: 36; Temperature Range: 0°C to 70°C

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LTC2442CG#PBF 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
零件包装代码：	SSOP	包装说明：	SSOP, SSOP36,.3
针数：	36	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	2.79	最大模拟输入电压：	2.75 V
最小模拟输入电压：	-0.05 V	最长转换时间：	0.17 µs
转换器类型：	ADC, DELTA-SIGMA	JESD-30 代码：	R-PDSO-G36
JESD-609代码：	e3	长度：	12.8 mm
湿度敏感等级：	1	模拟输入通道数量：	4
位数：	24	功能数量：	1
端子数量：	36	最高工作温度：	85 °C
最低工作温度：	-40 °C	输出位码：	BINARY
输出格式：	SERIAL	封装主体材料：	PLASTIC/EPOXY
封装代码：	SSOP	封装等效代码：	SSOP36,.3
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：	260	电源：	5 V
认证状态：	Not Qualified	座面最大高度：	2 mm
子类别：	Analog to Digital Converters	标称供电电压：	5 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn)
端子形式：	GULL WING	端子节距：	0.65 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	30
宽度：	5.3 mm	Base Number Matches：	1

LTC2442CG#PBF 数据手册

LTC2442

24-Bit High Speed

4-Channel ΔΣ ADC

with Integrated Ampliﬁer

DESCRIPTIO

FEATURES

The LTC^®2442 is an ultra high precision, variable speed,

24-bit ΔΣ^TMADC with integrated ampliﬁer. The ampliﬁer

can be conﬁgured as a buffer for easy input drive of high

impedance sensors. 1 part-per-million (ppm) linearity is

achievable when the ampliﬁer is conﬁgured in unity gain.

External resistors can be used to set a gain for increased

resolution of low level input signals. The positive and

■

1ppm Linearity with No Missing Codes

■

Integrated Ampliﬁer for Direct Sensor Digitization

■

2 Differential or 4 Single-Ended Input Channels

■

Up to 8kHz Output Rate

■

Up to 4kHz Multiplexing Rate

■

Selectable Speed/Resolution

2µV

Noise at 1.76kHz Output Rate

RMS

220nV

Noise at 13.8Hz Output Rate with

negative ampliﬁer supply pins may be tied directly to V

Simultaneous 50Hz/60Hz Rejection

(4.5V to 5.5V) and GND or biased above V and below

■

Guaranteed Modulator Stability and Lock-Up

Immunity for any Input and Reference Conditions

GND for rail-to-rail input signals.

The proprietary ΔΣ architecture ensures stable DC ac-

curacy through continuous transparent calibration. Ten

■

<5µV Offset (4.5V < V < 5.5V, –40°C to 85°C)

Differential Input and Differential Reference with GND

speed/resolution combinations from 6.9Hz/220nV

RMS

to V Common Mode Range

3.5kHz/25µV

can be selected with no latency or shift

RMS

■

No Latency Mode, Each Conversion is Accurate Even

in DC accuracy. Additionally, a 2X speed mode can be

selected enabling output rates up to 7kHz (8kHz with an

external oscillator) with one cycle latency.

After a New Channel is Selected

■

Internal Oscillator—No External Components

^{36-Lead SSOP P}U^ackage

Any combination of single-ended (up to 4 inputs) or dif-

ferential (up to 2 inputs) can be selected with a common

APPLICATIO S

mode input range from ground to V . While operating in

■

Auto Ranging 6-Digit DVMs

the 1X speed mode the ﬁrst conversion following a new

■

High Speed Multiplexing

speed/resolution or channel selection is valid.

■

Weight Scales

, LTC and LT are registered trademarks of Linear Technology Corporation.

No Latency ∆Σ is a trademark of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

■

Direct Temperature Measurement

■

High Speed Data Acquisition

Protected by U.S. Patents including 6140950, 6169506, 6411242, 6639526.

TYPICAL APPLICATIO

High Precision Data Acquisition System

LTC2442 Integral Non-Linearity

= 2.048V

0.1µF

INCM

REF

= 4.096V

= 5V

4.5V TO 15V 4.5V TO 5.5V

= 5V

–

= EXTERNAL OSCILLATOR

= 0V

= INTERNAL OSCILLATOR

REF

(SIMULTANEOUS 50Hz/60Hz

REJECTION AT 6.9Hz OUTPUT RATE)

CH0

–

SDI

SCK

SDO

CH1

HIGH Z

2-CHANNEL

DIFFERENTIAL/

4-CHANNEL

SINGLE ENDED

VARIABLE SPEED/

RESOLUTION

DIFFERENTIAL

24-BIT ∆Σ ADC

4-WIRE

SPI INTERFACE

–1

–2

–3

–4

–5

CH2 AUTO-CAL

–

CH3

COM

–

REF

GND

LTC2442

2442 TA01

–2.048

–1.024

1.024

2.048

–15V TO 0V

DIFFERENTIAL (V)

0.1µF

2442 TA02

2442f

12 3 4 5 6 7...32

中文翻译

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LTC2442CG#PBF 替代型号

型号	品牌	替代类型	描述	数据表
LTC2442IG	Linear	功能相似	24-Bit High Speed 4-Channel Delta-Sigma ADC with Integrated Amplifi er

与LTC2442CG#PBF相关器件

型号	品牌	获取价格	描述	数据表
LTC2442CG#TR	Linear	获取价格	LTC2442 - 24-Bit High Speed 4-Channel Delta Sigma ADC with Integrated Amplifier; Package:
LTC2442IG	Linear	获取价格	24-Bit High Speed 4-Channel Delta-Sigma ADC with Integrated Amplifi er
LTC2442IG#PBF	Linear	获取价格	暂无描述
LTC2442IG#TR	Linear	获取价格	LTC2442 - 24-Bit High Speed 4-Channel Delta Sigma ADC with Integrated Amplifier; Package:
LTC2442IG#TRPBF	Linear	获取价格	LTC2442 - 24-Bit High Speed 4-Channel Delta Sigma ADC with Integrated Amplifier; Package:
LTC2444	Linear	获取价格	24-Bit High Speed 8-/16-Channel ADCs with Selectable Speed/Resolution
LTC2444	ADI	获取价格	具可选速度 / 分辨率的 24 位高速 8 / 16 通道 ΔΣ ADC
LTC2444_15	Linear	获取价格	24-Bit High Speed 8-/16-Channel ADCs with Selectable Speed/Resolution
LTC2444C	Linear	获取价格	24-Bit High Speed 8-/16-Channel ADCs with Selectable Speed/Resolution
LTC2444CUHF	Linear	获取价格	24-Bit High Speed 8-/16-Channel ADCs with Selectable Speed/Resolution

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