LTC1068-25IG The LTC1068-25IG is a clock-tunable, quad second-order filter building block from Analog Devices. It features four matched, low-noise filter sections in a 28-SSOP package.
Mfr Part #:

LTC1068-25IG

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The LTC1068-25IG is a clock-tunable, quad second-order filter building block from Analog Devices. It features four matched, low-noise filter sections in a 28-SSOP package.
✓ Total Stock: 110 pcs

LTC1068-25IG Available from 1 distributor

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110 pcs
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LTC1068-25IG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Filter Order
Filter Type
Frequency
Lead Spacing
Mounting Type
Number of Filters
Power Dissipation
Supplier Device Package
Supplier Package
Voltage
Voltage Supply

LTC1068-25IG Description

Short technical summary and product information.

The LTC1068-25IG is part of the LTC1068 family of clock-tunable filter building blocks. Each product contains four matched, low-noise, high-accuracy 2nd order switched-capacitor filter sections. An external clock tunes the center frequency of each section. The clock-to-center frequency ratio for the LTC1068-25 is 25:1, allowing for a maximum lowpass/highpass filter frequency of 200kHz and a bandpass/bandreject filter frequency of 140kHz.

 

This device offers a center frequency error of ±0.3% typical and ±0.8% maximum. Noise per 2nd order section (Q ≤ 5) is 90µVRMS. It operates with a wide supply voltage range, including ±5V, single 5V, or single 3.3V supplies. The LTC1068-25IG is available in a 28-pin SSOP surface mount package.

 

High performance, quad 2nd order, dual 4th order, or 8th order filters can be designed using this family product. Designing filters with an LTC1068 product is supported by FilterCAD™ filter design software.

LTC1068-25IG Quick Information

Product Type: Filter IC
Series: LTC1068
Canonical Name: LTC1068-25IG Clock-Tunable Quad Second Order Filter Building Block
Subcategory: Active Filters

LTC1068-25IG Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LTC1068-25IG Features

  • Four identical 2nd order filter sections.
  • Clock-tunable switched capacitor design.
  • 200kHz maximum filter frequency.
  • Low noise performance at 90µVRMS.
  • Surface mount 28-SSOP package.

LTC1068-25IG Applications

  • Used in clock-tunable filter designs.
  • Suitable for lowpass and highpass filters.
  • Applicable for bandpass and notch filters.
  • Enables dual 4th order filter configurations.

LTC1068-25IG FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum filter frequency for the LTC1068-25IG?

The maximum lowpass or highpass filter frequency is 200kHz, and the maximum bandpass or bandreject filter frequency is 140kHz.

What is the typical center frequency error?

The typical center frequency error is ±0.3%.

What supply voltages can the LTC1068-25IG operate with?

It can operate with ±5V, single 5V, or single 3.3V power supplies.

What package is the LTC1068-25IG supplied in?

The LTC1068-25IG is supplied in a 28-SSOP surface mount package.

What is the RoHS status of the LTC1068-25IG?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The Moisture Sensitivity Level is 1.

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