RHF1401 datasheet(1/29 Pages) STMICROELECTRONICS

部品番号	RHF1401

部品情報	Rad-hard 14-bit 20Msps 85mW A/D converter

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メーカー	STMICROELECTRONICS [STMicroelectronics]

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1 / 29 page

October 2007

Rev 2

1/29

29

RHF1401

Rad-hard 14-bit 20Msps 85mW A/D converter

Features

■ Ssingle +2.5V supply operation

■ Low power: 85mW @ 20Msps

■ High linearity: +/- 0.3 bit DNL

■ SFDR = 90dB typ. SINAD = 73dB typ.

@ Fs = 20Msps, Fin =5MHz

■ 2.5V/3.3V compatible digital I/O

■ Switchable on/off built-in reference voltage

■ Hermetic package

■ Rad-hard: 300kRad(Si) TID

■ Failure immune (SEFI) and latchup immune

(SEL) up to 120 MeV-cm2/mg at 2.7V and

125°C

■ Qml-V qualification on-going, smd 5962-06260

Applications

■ Digital communication satellites

■ Space data acquisition systems

■ Aerospace instrumentation

■ Nuclear and high-energy physics

Description

The RHF1401 is a 14-bit, 20MHz maximum

sampling frequency analog-to-digital converter

using pure (ELDRS-free) CMOS 0.25µm

technology combining high performance, radiation

robustness and very low power consumption.

The RHF1401 is based on a pipeline structure

and digital error correction to provide excellent

static linearity. Its very low internal noise permits

to achieve more than 11.8 ENOB with a 2.2Vpp

5MHz input.

Specifically designed for optimizing power

consumption, the RHF1401 only dissipates

85mW at 20Msps, while maintaining a high level

of performance. It integrates a proprietary track-

and-hold structure to ensure an effective

resolution bandwidth of 70MHz.

A voltage reference is integrated in the circuit to

simplify the design and minimize external

components. A tri-state capability is available on

the outputs, to allow common bus sharing.

A data-ready signal which is raised when the data

is valid on the output can be used for

synchronization purposes.

The RHF1401 has an operating temperature

range of -55°C to +125°C and is available in a

small 48-pin hermetic SO-48 package.

SO-48 package

24

25

1

48

Pin connections (top view)

www.st.com

同様の部品番号 - RHF1401

メーカー	部品番号	データシート	部品情報
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