LTC2251IUH#TR datasheet, PDF - EEWORLD Datasheet

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LTC2251IUH#TR: DescriptionLTC2251 - 10-Bit, 125Msps Low Noise 3V ADCs; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C; CategoryAnalog mixed-signal IC converter; File Size588KB，24 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LTC2251IUH#TR Overview

LTC2251 - 10-Bit, 125Msps Low Noise 3V ADCs; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C

LTC2251IUH#TR Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	incompatible
Maker	Linear ( ADI )
Parts packaging code	QFN
package instruction	HVQCCN, LCC32,.2SQ,20
Contacts	32
Manufacturer packaging code	UH
Reach Compliance Code	_compli
ECCN code	3A991.C.1
Maximum analog input voltage	1 V
Minimum analog input voltage	-1 V
Converter type	ADC, PROPRIETARY METHOD
JESD-30 code	S-PQCC-N32
JESD-609 code	e0
length	5 mm
Maximum linear error (EL)	0.0586%
Humidity sensitivity level	1
Number of analog input channels	1
Number of digits	10
Number of functions	1
Number of terminals	32
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Output bit code	OFFSET BINARY, 2\'S COMPLEMENT BINARY
Output format	PARALLEL, WORD
Package body material	PLASTIC/EPOXY
encapsulated code	HVQCCN
Encapsulate equivalent code	LCC32,.2SQ,20
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	235
power supply	3 V
Certification status	Not Qualified
Sampling rate	125 MHz
Sample and hold/Track and hold	SAMPLE
Maximum seat height	0.8 mm
Nominal supply voltage	3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	20
width	5 mm

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LTC2251/LTC2250

10-Bit, 125/105Msps

Low Noise 3V ADCs

FEATURES

■

DESCRIPTIO

■

Sample Rate: 125Msps/105Msps

Single 3V Supply (2.85V to 3.4V)

Low Power: 395mW/320mW

61.6dB SNR

85dB SFDR

No Missing Codes

Flexible Input: 1V

P-P

to 2V

P-P

Range

640MHz Full Power Bandwidth S/H

Clock Duty Cycle Stabilizer

Shutdown and Nap Modes

Pin Compatible Family:

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)

32-Pin (5mm

5mm) QFN Package

The LTC

2251/LTC2250 are 10-bit 125Msps/105Msps,

low noise 3V A/D converters designed for digitizing high

frequency, wide dynamic range signals. The LTC2251/

LTC2250 are perfect for demanding imaging and commu-

nications applications with AC performance that includes

61.6dB SNR and 85dB SFDR for signals at the Nyquist

frequency.

DC specs include

±0.1LSB

INL (typ),

±0.05LSB

DNL (typ)

and

±0.6LSB

INL,

±0.6LSB

DNL over temperature. The

transition noise is a low 0.08LSB

RMS

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

output supply allows the outputs to drive 0.5V to 3.3V

logic.

A single-ended CLK input controls converter operation. An

optional clock duty cycle stabilizer allows high perfor-

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

, 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

REFH

REFL

FLEXIBLE

REFERENCE

ANALOG

INPUT

S/H

SNR (dBFS)

–

10-BIT

PIPELINED

ADC CORE

CORRECTION

LOGIC

OUTPUT

DRIVERS

•

OGND

CLOCK/DUTY

CYCLE

CONTROL

22510 TA01

CLK

22510fa

LTC2251: SNR vs Input Frequency,

–1dB, 2V Range, 125Msps

100 150 200 250 300 350

22510 G09

INPUT FREQUENCY (MHz)

LTC2251IUH#TR Related Products

	LTC2251IUH#TR	LTC2250CUH#TR	LTC2250IUH#TR	LTC2251CUH#TR
Description	LTC2251 - 10-Bit, 125Msps Low Noise 3V ADCs; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C	LTC2250 - 10-Bit, 105Msps Low Noise 3V ADCs; Package: QFN; Pins: 32; Temperature Range: 0°C to 70°C	LTC2250 - 10-Bit, 105Msps Low Noise 3V ADCs; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C	LTC2251 - 10-Bit, 125Msps Low Noise 3V ADCs; Package: QFN; Pins: 32; Temperature Range: 0°C to 70°C
Brand Name	Linear Technology	Linear Technology	Linear Technology	Linear Technology
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible
Maker	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )
Parts packaging code	QFN	QFN	QFN	QFN
package instruction	HVQCCN, LCC32,.2SQ,20	HVQCCN, LCC32,.2SQ,20	HVQCCN, LCC32,.2SQ,20	HVQCCN, LCC32,.2SQ,20
Contacts	32	32	32	32
Manufacturer packaging code	UH	UH	UH	UH
Reach Compliance Code	_compli	_compli	_compli	_compli
ECCN code	3A991.C.1	3A991.C.1	3A991.C.1	3A991.C.1
Maximum analog input voltage	1 V	1 V	1 V	1 V
Minimum analog input voltage	-1 V	-1 V	-1 V	-1 V
Converter type	ADC, PROPRIETARY METHOD	ADC, PROPRIETARY METHOD	ADC, PROPRIETARY METHOD	ADC, PROPRIETARY METHOD
JESD-30 code	S-PQCC-N32	S-PQCC-N32	S-PQCC-N32	S-PQCC-N32
JESD-609 code	e0	e0	e0	e0
length	5 mm	5 mm	5 mm	5 mm
Maximum linear error (EL)	0.0586%	0.0586%	0.0586%	0.0586%
Humidity sensitivity level	1	1	1	1
Number of analog input channels	1	1	1	1
Number of digits	10	10	10	10
Number of functions	1	1	1	1
Number of terminals	32	32	32	32
Maximum operating temperature	85 °C	70 °C	85 °C	70 °C
Output bit code	OFFSET BINARY, 2\'S COMPLEMENT BINARY	OFFSET BINARY, 2\'S COMPLEMENT BINARY	OFFSET BINARY, 2\'S COMPLEMENT BINARY	OFFSET BINARY, 2\'S COMPLEMENT BINARY
Output format	PARALLEL, WORD	PARALLEL, WORD	PARALLEL, WORD	PARALLEL, WORD
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	HVQCCN	HVQCCN	HVQCCN	HVQCCN
Encapsulate equivalent code	LCC32,.2SQ,20	LCC32,.2SQ,20	LCC32,.2SQ,20	LCC32,.2SQ,20
Package shape	SQUARE	SQUARE	SQUARE	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	235	235	235	235
power supply	3 V	3 V	3 V	3 V
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Sampling rate	125 MHz	105 MHz	105 MHz	125 MHz
Sample and hold/Track and hold	SAMPLE	SAMPLE	SAMPLE	SAMPLE
Maximum seat height	0.8 mm	0.8 mm	0.8 mm	0.8 mm
Nominal supply voltage	3 V	3 V	3 V	3 V
surface mount	YES	YES	YES	YES
technology	CMOS	CMOS	CMOS	CMOS
Temperature level	INDUSTRIAL	COMMERCIAL	INDUSTRIAL	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
Terminal form	NO LEAD	NO LEAD	NO LEAD	NO LEAD
Terminal pitch	0.5 mm	0.5 mm	0.5 mm	0.5 mm
Terminal location	QUAD	QUAD	QUAD	QUAD
Maximum time at peak reflow temperature	20	20	20	20
width	5 mm	5 mm	5 mm	5 mm

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