LTC1402CGN

更新时间： 2024-11-24 22:33:59

品牌	Logo	应用领域
凌特 - Linear		转换器模数转换器光电二极管
页数	文件大小	规格书
20页	254K
描述
Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown

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技术参数
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LTC1402CGN 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
零件包装代码：	SSOP	包装说明：	SSOP, SSOP16,.25
针数：	16	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.08	Is Samacsys：	N
最大模拟输入电压：	2.048 V	最小模拟输入电压：	-2.048 V
转换器类型：	ADC, SUCCESSIVE APPROXIMATION	JESD-30 代码：	R-PDSO-G16
JESD-609代码：	e0	长度：	4.9 mm
最大线性误差 (EL)：	0.0244%	湿度敏感等级：	1
标称负供电电压：	-5 V	模拟输入通道数量：	1
位数：	12	功能数量：	1
端子数量：	16	最高工作温度：	70 °C
最低工作温度：		输出位码：	BINARY, 2'S COMPLEMENT 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：	SSOP16,.25
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：	235	电源：	5/+-5 V
认证状态：	Not Qualified	采样速率：	2.2 MHz
采样并保持/跟踪并保持：	SAMPLE	座面最大高度：	1.75 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：	COMMERCIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	GULL WING	端子节距：	0.635 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	20
宽度：	3.9116 mm	Base Number Matches：	1

LTC1402CGN 数据手册

Final Electrical Specifications

LTC1402

Serial 12-Bit, 2.2Msps

Sampling ADC with Shutdown

October 1999

FEATURES

DESCRIPTION

The LTC^®1402 is a 12-bit, 2.2Msps sampling A/D con-

verter. This high performance device includes a high dy-

namic range sample-and-hold and a precision reference.

It operates from a single 5V supply or dual ±5V supplies

and draws only 90mW from 5V.

■

Sample Rate: 2.2Msps

■

72dB S/(N + D) and –89dB THD at Nyquist

■

No Missing Codes over Temperature

■

Available in 16-Pin Narrow SSOP Package

■

Single Supply 5V or ±5V Operation

■

Power Dissipation: 90mW (Typ)

The versatile differential input offers a unipolar range of

4.096V and a bipolar range of ±2.048V for dual supply

systems where high performance op amps perform best,

eliminating the need for special translation circuitry.

■

Nap Mode with Instant Wake-Up: 15mW

■

Sleep Mode: 10µW

■

True Differential Inputs Reject Common Mode Noise

■

80MHz Full Power Bandwidth Sampling

The high common mode rejection allows users to elimi-

nategroundloopsandcommonmodenoisebymeasuring

signals differentially from the source.

■

Input Range (1mV/LSB): 0V to 4.096V or ±2.048V

■

Internal Reference Can Be Overdriven Externally

■

3-Wire Interface to DSPs and Processors (SPI and

MICROWIRE^TMCompatible)

Outstanding AC performance includes 72dB S/(N + D) and

–93dB SFDR at the Nyquist input frequency of 1.1MHz

with dual ±5V supplies and –84dB SFDR with a single 5V

supply.

APPLICATIONS

■

Telecommunications

High Speed Data and Signal Acquisition

Digitally Multiplexed Data Acquisition Systems

Digital Radio Receivers

Spectrum Analysis

■

The LTC1402 has two power saving modes: Nap and

Sleep. Nap mode consumes only 15mW of power and

Sleep can wake up and convert immediately. In Sleep

mode, ittypicallyconsumes10µWofpower. Uponpower-

up from Sleep mode, a reference ready (REFRDY) signal

is available in the serial data word to indicate that the

reference has settled and the chip is ready to convert.

■

Low Power and Battery-Operated Systems

Handheld or Portable Instruments

Imaging Systems

The 3-wire serial port allows compact and efficient data

transfer to a wide range of microprocessors, microcon-

trollers and DSPs. A digital output driver power supply pin

allows direct connection to 3V or lower logic.

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

MICROWIRE is a trademark of National Semiconductor Corp.

BLOCK DIAGRA

3V OR 5V

5 Harmonic THD, 2nd, 3rd and SFDR

vs Input Frequency (Unipolar)

12 DV

11 OV

10µF

THD

SFDR

–10

–20

–30

2ND

3RD

SAMPLE-

OUTPUT

BUFFER

12-BIT ADC

OUT

AND-HOLD

= 2.22MHz

SAMPLE

–40

–A

–50

4.096V

–60

REF

10µF

64k

–70

–

–80

BIP/UNI

CONV

SCK

–90

2.048

REFERENCE

TIMING

LOGIC

–100

–110

–120

GAIN

LTC1402

1402 TA01

10µF

–5V OR 0V

AGND1

AGND2

13 DGND

9 OGND

INPUT FREQUENCY (Hz)

1401 G05

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.

12 3 4 5 6 7...20

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与LTC1402CGN相关器件

型号	品牌	获取价格	描述	数据表
LTC1402CGN#PBF	Linear	获取价格	LTC1402 - Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown; Package: SSOP; Pins: 16; Temp
LTC1402CGN#TRPBF	Linear	获取价格	LTC1402 - Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown; Package: SSOP; Pins: 16; Temp
LTC1402I	Linear	获取价格	Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown
LTC1402IGN	Linear	获取价格	Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown
LTC1402IGN#TR	Linear	获取价格	LTC1402 - Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown; Package: SSOP; Pins: 16; Temp
LTC1402IGN#TRPBF	Linear	获取价格	LTC1402 - Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown; Package: SSOP; Pins: 16; Temp
LTC1403	Linear	获取价格	Serial 12-Bit/14-Bit, 2.8Msps Sampling ADCs with Shutdown
LTC1403	ADI	获取价格	具停机功能的串行 12 位、2.8Msps 采样 ADC
LTC1403_15	Linear	获取价格	Serial 12-Bit/14-Bit, 2.8Msps Sampling ADCs with Shutdown
LTC1403-1	Linear	获取价格	Serial 12-Bit/14-Bit, 2.8Msps Sampling ADCs with Shutdown

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