LINEAR LTC1068CG

Mfr. Part

LTC1068CG

Manufacturer

Linear Technology / Analog Devices

Y-IC is a quality distributor for Analog Devices (Linear Technology). We provide genuine products, fast delivery, and professional service to help you select and use this device with confidence.

Detailed Description

LTC1068CG is a switched-capacitor universal filter building block IC. It integrates multiple matched 2nd‑order sections that can be configured as lowpass, highpass, bandpass, or notch filters. The cutoff or center frequency is set by an external clock, making the filter easily tunable over a wide range. Designed for precision, low noise, and high dynamic range, it is ideal for signal conditioning in audio, instrumentation, communications, and data acquisition systems. It belongs to Integrated Circuits (ICs), Specialized ICs.

Key Features

Universal filter building block with multiple 2nd‑order sections

Clock‑tunable frequency response (simple external clock sets fc)

Configurable responses: lowpass, highpass, bandpass, notch

Low noise, low distortion, and high dynamic range

Precision matched sections for consistent performance

Operates on single or dual supplies (check datasheet for exact ranges)

Wide usable frequency range (from low Hz to hundreds of kHz depending on clock)

Simple external component configurations; no precision external capacitors required for tuning

Stable performance over temperature

Compatible with standard digital clocks

Key Advantages

Fast and predictable tuning via clock frequency, no costly trimming

Flexible architecture reduces the need for multiple different filter ICs

Matched sections improve repeatability and reduce design time

Low noise and distortion support demanding analog front ends

Saves PCB area and BOM compared to discrete active filter designs

Reliable brand backed by Y-IC’s quality supply chain and support

Packaging

Type: CG package (commonly SSOP) plastic molded, leaded

Leads: 16‑lead SSOP (typical), fine‑pitch for compact layouts

Typical body size: approximately 5.3 mm (width) × 6.2 mm (length) × 1.75 mm (height); check datasheet for exact dimensions

Pin configuration: multiple filter section I/O pins, clock input, supply pins (V+, V−/GND), and reference/ground pins; exact pinout in datasheet

Material: epoxy molded plastic, tin‑plated copper leads (standard IC materials)

Thermal: standard SSOP thermal characteristics; ensure good PCB copper area and airflow for best θJA; refer to datasheet for limits

Electrical properties: switched‑capacitor topology; clock‑dependent fc; designed for low THD and low noise; operates with single or dual supplies; follow datasheet absolute maximum ratings

Packaging / Case code: 634 (stock reference), manufacturer package code: CG

Moisture handling: standard MSL for SSOP; store in dry pack and follow reflow guidelines (see datasheet)

Lifecycle

Status: Active and widely used in legacy and current designs; not indicated as near discontinuation based on available industry status

Variants and equivalents (same family, different clock‑to‑frequency ratios): LTC1068‑1, LTC1068‑2, LTC1068‑3, LTC1068‑4

Related alternatives (depending on performance and topology needs):

- LTC1164 (Quad universal switched‑capacitor filter building block)

- LTC1060 / LTC1064 (monolithic 8th‑order switched‑capacitor filters)

- LT1562 / LT1567 (continuous‑time filters, if clockless solutions are preferred)

If you need exact drop‑in or lifecycle confirmation, please contact our sales team via the Y-IC website for the latest availability and cross‑reference support

Key Application Areas

Audio: equalization, tone control, anti‑aliasing and reconstruction filters for ADC/DAC

Instrumentation: sensor signal conditioning, noise filtering, ECG/EEG, strain gauge systems

Communications: IF/baseband filtering, channel selection, tone detection

Data acquisition: pre‑ADC filtering, bandwidth limiting, smoothing

Industrial: vibration analysis, process control signal filtering

Test and measurement: tunable filters for signal generators and analyzers

Embedded systems: configurable filtering where component count and space are limited

Datasheet

Y-IC hosts the most authoritative datasheet for this product model on our product page. We recommend downloading it now to get exact pinouts, electrical limits, timing, and application examples.

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In stock: 3834 pcs, Date Code: 21+

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