LT1993CUD-4#TRPBF datasheet, PDF

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LT1993CUD-4#TRPBF: DescriptionIC OPAMP DIFF 900MHZ 16QFN; CategoryAnalog mixed-signal IC Amplifier circuit; File Size702KB，16 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LT1993CUD-4#TRPBF Overview

IC OPAMP DIFF 900MHZ 16QFN

LT1993CUD-4#TRPBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Maker	Linear ( ADI )
Parts packaging code	QFN
package instruction	HVQCCN, LCC16,.12SQ,20
Contacts	16
Manufacturer packaging code	UD
Reach Compliance Code	compliant
ECCN code	EAR99
Amplifier type	OPERATIONAL AMPLIFIER
Maximum average bias current (IIB)	15 µA
Nominal Common Mode Rejection Ratio	70 dB
Maximum input offset voltage	10000 µV
JESD-30 code	S-PQCC-N16
JESD-609 code	e3
length	3 mm
Humidity sensitivity level	1
Negative supply voltage upper limit
Nominal Negative Supply Voltage (Vsup)
Number of functions	1
Number of terminals	16
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	HVQCCN
Encapsulate equivalent code	LCC16,.12SQ,20
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260
power supply	5 V
Certification status	Not Qualified
Maximum seat height	0.8 mm
Nominal slew rate	1100 V/us
Maximum slew rate	112 mA
Supply voltage upper limit	5.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
Temperature level	COMMERCIAL
Terminal surface	Matte Tin (Sn)
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	30
width	3 mm

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FEATURES

■

LT1993-4

900MHz Low Distortion, Low

Noise Differential Ampliﬁer/

ADC Driver (A

= 4V/V)

DESCRIPTIO

The LT

1993-4 is a low distortion, low noise Differential

Ampliﬁer/ADC driver for use in applications from DC to

900MHz. The LT1993-4 has been designed for ease of

use, with minimal support circuitry required. Exception-

ally low input-referred noise and low distortion products

(with either single-ended or differential inputs) make the

LT1993-4 an excellent solution for driving high speed 12-

bit and 14-bit ADCs. In addition to the normal unﬁltered

outputs (+OUT and –OUT), the LT1993-4 has a built-in

175MHz differential lowpass ﬁlter and an additional pair

of ﬁltered outputs (+OUTFILTERED, –OUTFILTERED) to

reduce external ﬁltering components when driving high

speed ADCs. The output common mode voltage is easily set

via the V

OCM

pin, eliminating either an output transformer

or AC-coupling capacitors in many applications.

The LT1993-4 is designed to meet the demanding require-

ments of communications transceiver applications. It can

be used as a differential ADC driver, a general-purpose

differential gain block, or in any other application requir-

ing differential drive. The LT1993-4 can be used in data

acquisition systems required to function at frequencies

down to DC.

The LT1993-4 operates on a 5V supply and consumes

100mA. It comes in a compact 16-lead 3

3 QFN package

and operates over a –40°C to 85°C temperature range.

4-Tone WCDMA Waveform,

LT1993-4 Driving LTC2255

14-Bit ADC at 92.16Msps

–10

32768 POINT FFT

TONE CENTER FREQUENCIES

AT 62.5MHz, 67.5MHz,

72.5MHz, 77.5MHz

■

900MHz –3dB Bandwidth

Fixed Gain of 4V/V (12dB)

Low Distortion:

40dBm OIP3, –73dBc HD3 (70MHz 2V

P-P

)

51dBm OIP3, –94dBc HD3 (10MHz 2V

P-P

)

Low Noise: 14.5dB NF, e

= 2.35nV/√Hz (70MHz)

Differential Inputs and Outputs

Additional Filtered Outputs

Adjustable Output Common Mode Voltage

DC- or AC-Coupled Operation

Minimal Support Circuitry Required

Small 0.75mm Tall 16-Lead 3

3 QFN Package

APPLICATIO S

■

Differential ADC Driver for:

Imaging

Communications

Differential Driver/Receiver

Single Ended to Differential Conversion

Differential to Single Ended Conversion

Level Shifting

IF Sampling Receivers

SAW Filter Interfacing/Buffering

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

All other trademarks are the property of their respective owners.

TYPICAL APPLICATIO

1:1

Z-RATIO

ADC Driver with Single-Ended to Differential Conversion

0.1µF

–OUT

82nH

AMPLITUDE (dBFS)

–INB

–INA

12.2Ω

AIN–

52.3pF

LTC2255

ADC

AIN+

12.2Ω

LTC2255 125Msps

14-BIT ADC SAMPLING

AT 92.16Msps

19934 TA01

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

70MHz

IF IN

100Ω

MA/COM

ETC1-1-13

0.1µF

–OUTFILTERED

LT1993-4

+OUTFILTERED

+INB

+OUT

+INA

OCM

ENABLE

2.2V

12dB GAIN

•

15 20 25 30 35

FREQUENCY (MHz)

LT19934 TA02

19934fa

LT1993CUD-4#TRPBF Related Products

	LT1993CUD-4#TRPBF	LT1993CUD-4#PBF	LT1993IUD-4#PBF	LT1993IUD-4#TRPBF
Description	IC OPAMP DIFF 900MHZ 16QFN	IC OPAMP DIFF 900MHZ 16QFN	IC OPAMP DIFF 900MHZ 16QFN	IC OPAMP DIFF 900MHZ 16QFN
Brand Name	Linear Technology	Linear Technology	Linear Technology	Linear Technology
Is it Rohs certified?	conform to	conform to	conform to	conform to
Maker	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )
Parts packaging code	QFN	QFN	QFN	QFN
package instruction	HVQCCN, LCC16,.12SQ,20	HVQCCN, LCC16,.12SQ,20	HVQCCN, LCC16,.12SQ,20	HVQCCN, LCC16,.12SQ,20
Contacts	16	16	16	16
Manufacturer packaging code	UD	UD	UD	UD
Reach Compliance Code	compliant	compliant	compliant	compliant
ECCN code	EAR99	EAR99	EAR99	EAR99
Amplifier type	OPERATIONAL AMPLIFIER	OPERATIONAL AMPLIFIER	OPERATIONAL AMPLIFIER	OPERATIONAL AMPLIFIER
Maximum average bias current (IIB)	15 µA	15 µA	15 µA	15 µA
Nominal Common Mode Rejection Ratio	70 dB	70 dB	70 dB	70 dB
Maximum input offset voltage	10000 µV	10000 µV	10000 µV	10000 µV
JESD-30 code	S-PQCC-N16	S-PQCC-N16	S-PQCC-N16	S-PQCC-N16
JESD-609 code	e3	e3	e3	e3
length	3 mm	3 mm	3 mm	3 mm
Humidity sensitivity level	1	1	1	1
Number of functions	1	1	1	1
Number of terminals	16	16	16	16
Maximum operating temperature	70 °C	70 °C	85 °C	85 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	HVQCCN	HVQCCN	HVQCCN	HVQCCN
Encapsulate equivalent code	LCC16,.12SQ,20	LCC16,.12SQ,20	LCC16,.12SQ,20	LCC16,.12SQ,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)	260	260	260	260
power supply	5 V	5 V	5 V	5 V
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	0.8 mm	0.8 mm	0.8 mm	0.8 mm
Nominal slew rate	1100 V/us	1100 V/us	1100 V/us	1100 V/us
Maximum slew rate	112 mA	112 mA	112 mA	112 mA
Supply voltage upper limit	5.5 V	5.5 V	5.5 V	5.5 V
Nominal supply voltage (Vsup)	5 V	5 V	5 V	5 V
surface mount	YES	YES	YES	YES
Temperature level	COMMERCIAL	COMMERCIAL	INDUSTRIAL	INDUSTRIAL
Terminal surface	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)
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	30	30	30	30
width	3 mm	3 mm	3 mm	3 mm

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