LTC1741IFW#TRPBF datasheet, PDF

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LTC1741IFW#TRPBF: Description1-Channel Single ADC Pipelined 65Msps 12-bit Parallel 48-Pin TSSOP T/R; File Size695KB，20 Pages; ManufacturerADI; Websitehttps://www.analog.com

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LTC1741IFW#TRPBF Overview

1-Channel Single ADC Pipelined 65Msps 12-bit Parallel 48-Pin TSSOP T/R

LTC1741IFW#TRPBF Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Active
HTS	8542.39.00.01
Converter Type	General Purpose
Architecture	Pipelined
Resolution	12bit
Number of ADCs	1
Number of Input Channels	1
Sampling Rate	65Msps
Digital Interface Type	Parallel
Input Type	Voltage
Input Signal Type	Single-Ended\|Differential
Voltage Reference	Internal\|External
Polarity of Input Voltage	Bipolar
Voltage Supply Source	Single
Input Voltage	±1V/±1.6V
Minimum Single Supply Voltage (V)	4.75
Typical Single Supply Voltage (V)	5
Maximum Single Supply Voltage (V)	5.25
Typical Power Dissipation (mW)	1275
Maximum Power Dissipation (mW)	1375
Integral Nonlinearity Error	±1LSB
Full Scale Error	3.5%FSR
Signal to Noise Ratio	72dB(Typ)
No Missing Codes (bit)	12
Sample and Hold	Yes
Single-Ended Input	Yes
Digital Supply Support	No
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Packaging	Tape and Reel
Supplier Temperature Grade	Industrial
Pin Count	48
Standard Package Name	SOP
Supplier Package	TSSOP
Mounting	Surface Mount
Package Height	0.95(Max)
Package Length	12.6(Max)
Package Width	6.2(Max)
PCB changed	48
Lead Shape	Gull-wing

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LTC1741

12-Bit, 65Msps Low Noise ADC

FEATURES

DESCRIPTIO

Sample Rate: 65Msps

72dB SNR and 85dB SFDR (3.2V Range)

70.5dB SNR and 87dB SFDR (2V Range)

No Missing Codes

Single 5V Supply

Power Dissipation: 1.275W

Selectable Input Ranges:

±1V

±1.6V

240MHz Full Power Bandwidth S/H

Pin Compatible Family

25Msps: LTC1746 (14-Bit), LTC1745(12-Bit)

50Msps: LTC1744 (14-Bit), LTC1743(12-Bit)

65Msps: LTC1742 (14-Bit), LTC1741(12-Bit)

80Msps: LTC1748 (14-Bit), LTC1747(12-Bit)

48-Pin TSSOP Package

The LTC

1741 is an 65Msps, sampling 12-bit A/D con-

verter designed for digitizing high frequency, wide dy-

namic range signals. Pin selectable input ranges of

±1V

and

±1.6V

along with a resistor programmable mode

allow the LTC1741’s input range to be optimized for a wide

variety of applications.

The LTC1741 is perfect for demanding communications

applications with AC performance that includes 72dB

SNR and 85dB spurious free dynamic range. Ultralow jitter

of 0.15ps

RMS

allows undersampling of IF frequencies of up

to 70MHz with excellent noise performance. DC specs

include

±1

LSB INL and

±0.8LSB

DNL over temperature.

The digital interface is compatible with 5V, 3V, 2V and

LVDS logic systems. The ENC and ENC inputs may be

driven differentially from PECL, GTL and other low swing

logic families or from single-ended TTL or CMOS. The low

noise, high gain ENC and ENC inputs may also be driven

by a sinusoidal signal without degrading performance. A

separate output power supply can be operated from 0.5V

to 5V, making it easy to connect directly to any low voltage

DSPs or FIFOs.

The TSSOP package with a flow-through pinout simplifies

the board layout.

APPLICATIO S

Telecommunications

Receivers

Cellular Base Stations

Spectrum Analysis

Imaging Systems

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

BLOCK DIAGRA

IN+

±1V

DIFFERENTIAL

ANALOG INPUT

65Msps, 12-Bit ADC with a

±1V

Differential Input Range

0.1µF

D11

CLKOUT

0.5V

TO 5V

0.1µF

CORRECTION

LOGIC AND

SHIFT

IN–

S/H

AMP

12-BIT

PIPELINED ADC

SENSE

BUFFER

RANGE

SELECT

DIFF AMP

1µF

GND

CONTROL LOGIC

1741 BD

4.7µF

2.35V

REF

REFLB

0.1µF

1µF

REFHA

4.7µF

REFLA

REFHB ENC

ENC

0.1µF

1µF

DIFFERENTIAL

ENCODE INPUT

OUTPUT

LATCHES

•

OGND

1µF

MSBINV

1741f

LTC1741IFW#TRPBF Related Products

	LTC1741IFW#TRPBF	LTC1741CFW#PBF	LTC1741CFW#TRPBF	LTC1741IFW#PBF
Description	1-Channel Single ADC Pipelined 65Msps 12-bit Parallel 48-Pin TSSOP T/R	1-Channel Single ADC Pipelined 65Msps 12-bit Parallel 48-Pin TSSOP Tube	1-Channel Single ADC Pipelined 65Msps 12-bit Parallel 48-Pin TSSOP T/R	1-Channel Single ADC Pipelined 65Msps 12-bit Parallel 48-Pin TSSOP Tube
EU restricts the use of certain hazardous substances	Compliant	Compliant	Compliant	Compliant
ECCN (US)	EAR99	EAR99	EAR99	EAR99
Part Status	Active	Active	Active	Active
Converter Type	General Purpose	General Purpose	General Purpose	General Purpose
Architecture	Pipelined	Pipelined	Pipelined	Pipelined
Resolution	12bit	12bit	12bit	12bit
Number of ADCs	1	1	1	1
Number of Input Channels	1	1	1	1
Sampling Rate	65Msps	65Msps	65Msps	65Msps
Digital Interface Type	Parallel	Parallel	Parallel	Parallel
Input Type	Voltage	Voltage	Voltage	Voltage
Input Signal Type	Single-Ended\|Differential	Single-Ended\|Differential	Single-Ended\|Differential	Differential\|Single-Ended
Voltage Reference	Internal\|External	Internal\|External	Internal\|External	External\|Internal
Polarity of Input Voltage	Bipolar	Bipolar	Bipolar	Bipolar
Voltage Supply Source	Single	Single	Single	Single
Input Voltage	±1V/±1.6V	±1V/±1.6V	±1V/±1.6V	±1V/±1.6V
Minimum Single Supply Voltage (V)	4.75	4.75	4.75	4.75
Typical Single Supply Voltage (V)	5	5	5	5
Maximum Single Supply Voltage (V)	5.25	5.25	5.25	5.25
Typical Power Dissipation (mW)	1275	1275	1275	1275
Maximum Power Dissipation (mW)	1375	1375	1375	1375
Integral Nonlinearity Error	±1LSB	±1LSB	±1LSB	±1LSB
Full Scale Error	3.5%FSR	3.5%FSR	3.5%FSR	3.5%FSR
Signal to Noise Ratio	72dB(Typ)	72dB(Typ)	72dB(Typ)	72dB(Typ)
No Missing Codes (bit)	12	12	12	12
Sample and Hold	Yes	Yes	Yes	Yes
Single-Ended Input	Yes	Yes	Yes	Yes
Digital Supply Support	No	No	No	No
Maximum Operating Temperature (°C)	85	70	70	85
Packaging	Tape and Reel	Tube	Tape and Reel	Tube
Supplier Temperature Grade	Industrial	Commercial	Commercial	Industrial
Pin Count	48	48	48	48
Standard Package Name	SOP	SOP	SOP	SOP
Supplier Package	TSSOP	TSSOP	TSSOP	TSSOP
Mounting	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package Height	0.95(Max)	0.95(Max)	0.95(Max)	0.95(Max)
Package Length	12.6(Max)	12.6(Max)	12.6(Max)	12.6(Max)
Package Width	6.2(Max)	6.2(Max)	6.2(Max)	6.2(Max)
PCB changed	48	48	48	48
Lead Shape	Gull-wing	Gull-wing	Gull-wing	Gull-wing

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