Datasheet > LTC2236

LTC2236

更新时间： 2023-12-20 18:44:12

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	697K
描述
10 位、25Msps、低噪声 3V ADC

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数据手册

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LTC2236 数据手册

LTC2238/LTC2237/LTC2236

10-Bit, 65/40/25Msps

Low Noise 3V ADCs

FEATURES

DESCRIPTIO

The LTC^®2238/LTC2237/LTC2236 are 10-bit 65Msps/

40Msps/25Msps, low power 3V A/D converters designed

for digitizing high frequency, wide dynamic range signals.

The LTC2238/LTC2237/LTC2236 are perfect for demand-

ing imaging and communications applications with AC

performance that includes 61.8dB SNR and 85dB SFDR

for signals at the Nyquist frequency.

■

Sample Rate: 65Msps/40Msps/25Msps

■

Single 3V Supply (2.7V to 3.4V)

■

Low Power: 205mW/120mW/75mW

■

61.8dB SNR

85dB SFDR

No Missing Codes

■

Flexible Input: 1V_P-Pto 2V_P-PRange

■

575MHz Full Power Bandwidth S/H

DC specs include ±0.1LSB INL (typ), ±0.05LSB DNL (typ)

and ±0.5LSB INL, ±0.5LSB DNL over temperature. The

transition noise is a low 0.07LSB_RMS

■

Clock Duty Cycle Stabilizer

■

Shutdown and Nap Modes

■

Pin Compatible Family:

A single 3V supply allows low power operation. A separate

output supply allows the outputs to drive 0.5V to 3.6V

logic.

125Msps: LTC2251 (10-Bit), LTC2253 (12-Bit)

105Msps: LTC2250 (10-Bit), LTC2252 (12-Bit)

80Msps: LTC2239 (10-Bit), LTC2229 (12-Bit)

65Msps: LTC2238 (10-Bit), LTC2228 (12-Bit)

40Msps: LTC2237 (10-Bit), LTC2227 (12-Bit)

25Msps: LTC2236 (10-Bit), LTC2226 (12-Bit)

Asingle-endedCLKinputcontrolsconverteroperation.An

optional clock duty cycle stabilizer allows high perfor-

mance at full speed for a wide range of clock duty cycles.

■

32-Pin (5mm × 5mm) QFN Package

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

All other trademarks are the property of their respective owners.

APPLICATIO S

■

Wireless and Wired Broadband Communication

■

Imaging Systems

■

Ultrasound

Spectral Analysis

Portable Instrumentation

■

TYPICAL APPLICATIO

LTC2238: SNR vs Input Frequency,

–1dB, 2V Range, 65Msps

REFH

FLEXIBLE

REFERENCE

62.5

REFL

61.5

60.5

59.5

58.5

57.5

•

10-BIT

PIPELINED

ADC CORE

CORRECTION

LOGIC

ANALOG

INPUT

OUTPUT

DRIVERS

INPUT

S/H

–

OGND

CLOCK/DUTY

CYCLE

CONTROL

100

150

200

223876 TA01

INPUT FREQUENCY (MHz)

CLK

223876 G09

223876fa

12 3 4 5 6 7...28

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