Datasheet > LTC2315-12

LTC2315-12

更新时间： 2023-12-20 18:46:18

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
22页	689K
描述
采用 TSOT 封装的 12 位、5Msps、串行采样 ADC

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LTC2315-12 数据手册

LTC2315-12

12-Bit, 5Msps Serial

Sampling ADC in TSOT

FEATURES

DESCRIPTION

The LTC^®2315-12 is a 12-bit, 5Msps, serial sampling A/D

converterthatdrawsonly6.4mAfromawiderangeanalog

supply adjustable from 2.7V to 5.25V. The LTC2315-12

containsanintegratedbandgapandreferencebufferwhich

provide a low cost, high performance (20ppm/°C max)

and space saving applications solution. The LTC2315-12

achieves outstanding AC performance of 72.6dB SINAD

and–84dBTHDwhilesamplinga500kHzinputfrequency.

The extremely high sample rate-to-power ratio makes the

LTC2315-12 ideal for compact, low power, high speed

systems. The LTC2315-12 also provides both nap and

sleep modes for further optimization of the device power

within a system.

5Msps Throughput Rate

Guaranteed 12-Bit No Missing Codes

Internal Reference: 2.048V/4.096V Span

Low Noise: 73dB SNR

Low Power: 6.4mA at 5Msps and 5V

Dual Supply Range: 3V/5V operation

Sleep Mode with < 1µA Typical Supply Current

Nap Mode with Quick Wake-up < 1 conversion

Separate 1.8V to 5V Digital I/O Supply

High Speed SPI-Compatible Serial I/O

Guaranteed Operation from –40°C to 125°C

8-Lead TSOT-23 Package

APPLICATIONS

The LTC2315-12 has a high-speed SPI-compatible serial

interface that supports 1.8V, 2.5V, 3V and 5V logic. The

fast 5Msps throughput makes the LTC2315-12 ideally

suited for a wide variety of high speed applications.

Communication Systems

High Speed Data Acquisition

Handheld Terminal Interface

Medical Imaging

Complete 14-/12-Bit Pin-Compatible SAR ADC Family

Uninterrupted Power Supplies

500ksps

2.5Msps

4.5Msps

5Msps

Battery Operated Systems

14-Bit

12-Bit

LTC2312-14 LTC2313-14 LTC2314-14

LTC2312-12 LTC2313-12

Automotive

LTC2315-12

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

Power 3V/5V 9mW/15mW 14mW/25mW 18mW/31mW 19mW/32mW

TYPICAL APPLICATION

5V Supply, Internal Reference, 5Msps, 12-bit Sampling ADC

16k Point FFT, f_S= 5Msps, f_IN= 500kHz

= 5V

LTC2315-12

2.2µF

SNR = 73.1dBFS

SINAD = 72.6dBFS

THD = –84dB

–20

–40

2.2µF

SFDR = 87dBc

SERIAL DATA LINK TO

ASIC, PLD, MPU, DSP

OR SHIFT REGISTERS

REF

SCK

SDO

–60

–80

GND

DIGITAL OUTPUT SUPPLY

1.8V TO 5V

ANALOG INPUT

0V TO 4.096V

–100

–120

–140

2.2µF

231512 TA01

500

1000

1500

2000

2500

FREQUENCY (kHz)

231512 TA01a

231512fa

For more information www.linear.com/LTC2315-12

12 3 4 5 6 7...22

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