THS4513 Datasheet_PDF文件下载_芯片资料查询

Fully Differential Architecture

Centered Input Common-mode Range

Minimum Gain of 1V/V (0 dB)

Bandwidth: 1600 MHz

Slew Rate: 5100 V/碌s

1% Settling Time: 2.9 ns

HD

2

: 鈥?5 dBc at 70 MHz

HD

3

: 鈥?6 dBc at 70 MHz

OIP

2

: 77 dBm at 70 MHz

OIP

3

: 42 dBm at 70 MHz

Input Voltage Noise: 2.2 nV/鈭欻z (f >10 MHz)

Noise Figure: 19.8 dB

Output Common-Mode Control

Power Supply:

鈥?Voltage: 3 V (卤1.5 V) to 5 V (卤2.5 V)

鈥?Current: 37.7 mA

Power-Down Capability: 0.65 mA

DESCRIPTION

The THS4513 is a wideband, fully differential op amp

designed for 3.3鈥? V data acquisition systems. It has

very low noise at 2.2 nV/鈭欻z, and extremely low

harmonic distortion of 鈥?5 dBc HD

2

and 鈥?6 dBc HD

3

at 70 MHz with 2-Vpp output, G = 0 dB, and 200-鈩?/div>

load. Slew rate is very high at 5100 V/碌s and with

settling time of 2.9 ns to 1% (2 V step) it is ideal for

pulsed applications. It is designed for minimum gain

of 0 dB.

To allow for dc coupling to ADCs, its unique output

common-mode control circuit maintains the output

common-mode voltage within 5 mV offset (typ) from

the set voltage, when set within 0.5 V of mid-supply,

with less than 4 mV differential offset voltage. The

common-mode set point is set to mid-supply by

internal circuitry, which may be over-driven from an

external source.

The input and output are optimized for best perform-

ance with their common-mode voltages set to

mid-supply. Along with high performance at low

power supply voltage, this makes for extremely high

performance single supply 5 V data acquisition sys-

tems.

The THS4513 is offered in a Quad 16-pin leadless

QFN package (RGT), and is characterized for oper-

ation over the full industrial temperature range from

鈥?0掳C to 85掳C.

鈥?/div>

APPLICATIONS

5 V Data Acquisition Systems High

Linearity ADC Amplifier

Wireless Communication

Medical Imaging

Test and Measurement

60 MHz Low-Pass Filter

6.8 pf

0

-2

-4

Low-Pass Filter Response

0.22

m

f

340

W

THS4513

CM

-2.5 V

25

W

25

W

1:1

V

OUT

Gain (dB)

50-W

Single-

Ended

AC-Coupled

Source

V

IN

340

W

56.2

W

348

W

2.5 V

To 50

W

Test

Equipment

-6

-8

-10

-12

-14

-16

-18

-20

0.1

m

f

0.1

m

f

50

W

0.22

m

f

56.2

W

0.22

m

f

-22

-24

-26

0.1

348

W

6.8 pf

1

10

100

f - Frequency (MHz)

1000

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

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