LTC1065ISWPBF Linear Technology Corporation, LTC1065ISWPBF Datasheet

LTC1065ISWPBF

Manufacturer Part Number

LTC1065ISWPBF

Description

SOP16

Manufacturer

Linear Technology Corporation

Datasheets

1.LTC1065ISWPBF.pdf (16 pages)

2.LTC1065ISWPBF.pdf (16 pages)

Specifications of LTC1065ISWPBF

Date_code

09+

Current page: 1 of 16
Download datasheet (256Kb)

FEATURES

APPLICATIO S

■

All other trademarks are the property of their respective owners. Protected by U.S. Patents

including 4857860.

TYPICAL APPLICATIO

■

Audio

Strain Gauge Amplifiers

Anti-Aliasing Filters

Low Level Filtering

Digital Voltmeters

Smoothing Filters

Reconstruction Filters

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

Clock-Tunable Cutoff Frequency

1mV DC Offset (Typical)

80dB CMR (Typical)

Internal or External Clock

50µV

100:1 Clock-to-Cutoff Frequency Ratio

80µV

0.004% Noise + THD at 2V

50kHz Maximum Cutoff Frequency

Cascadable for Faster Roll-Off

Operates from ±2.375 to ±8V Power Supplies

Self-Clocking with 1 RC

Available in 8-Pin DIP and 16-Pin SW Packages

1µF

TANT

3.4kHz Single 5V Supply Bessel Lowpass Filter

RMS

SELF-CLOCKING SCHEME

Clock Feedthrough

Total Wideband Noise

4.99k

4.53k

0.1µF

RMS

LTC1065

13k*

Output Level

OUT

200pF*

1065 TA01

0.1µF

Linear Phase 5th Order Bessel

DESCRIPTIO

The LTC

clock-tunability with low DC output offset and over 12-bit

DC accuracy. The frequency response of the LTC1065

closely approximates a 5th order Bessel polynomial. With

appropriate PCB layout techniques the output DC offset is

typically 1mV and is constant over a wide range of clock

frequencies. With ±5V supplies and ±4V input voltage

range, the CMR of the device is typically 80dB.

The filter cutoff frequency is controlled either by an inter-

nal or external clock. The clock-to-cutoff frequency ratio is

100 : 1. The on-board clock is nearly power supply inde-

pendent and it is programmed via an external RC. The

50µV

lower than other existing monolithic filters.

The LTC1065 wideband noise is 80µV

process large AC input signals with low distortion. With

±7.5V supplies, for instance, the filter handles up to

below 0.005%; 87dB dynamic range (S/N + THD) is ob-

tained with input levels between 2V

The LTC1065 is available in 8-pin miniDIP and 16-pin SW

packages. For a Butterworth response, see LTC1063 data

sheet. The LTC1065 is pin compatible with the LTC1063.

DC Accurate, Clock-Tunable

RMS

(94dB S/N ratio) while the standard 1kHz THD is

1065 is the first monolithic filter providing both

clock feedthrough of the device is considerably

–20

–30

–40

–50

–60

–70

–80

–90

–10

Frequency Response

FREQUENCY (kHz)

Lowpass Filter

RMS

and 2.5V

RMS

LTC1065

1065 TA01b

and it can

100

RMS

1065fb

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