Product Summary

The TDA8274 is a silicon tuner. The TDA8274 offers a very simple tuner solution for cable modem, digital STB and analog PC-TV reception, enabling incredible simplifications in TV design. Its patented technology and highly innovative architecture reduces external component count, providing an extremely cost effective the TDA8274 that is easier and quicker to design in than any other comparable solution in today market. Applications are (1)DOCSIS and EuroDOCSIS cable modems; (2)Digital Set Top Boxes; (3)Analog TV reception on PCs.

Features

TDA8274 features: (1)Real Silicon tuner approach: only 30 SMD components for the Bill of Material (BOM); (2)Wideband low noise RF amplifier with AGC; (3)Integrated and Programmable Selectivity; (4)RF splitter with 2 separate outputs (-2 / +6 dB); (5)RF filter; (6)Image rejection mixer stage; (7)Fully integrated VCO; (8)RSSI signal indicator, +/- 0.5 dB relative accuracy (3 dB absolute value), no calibration needed; (9)Integrated 16 MHz crystal oscillator and output buffer to channel decoder or other tuner; (10)I²C bus controlled; (11)Temperature range: -20 to + 70°C; (12)Power: 3.3V, 1.29 W (typical); (13)Package: MLF 40 pins 6 x 6 mm HVQFN40.

Diagrams

TDA8274 pin connection

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
TDA8274AHN/C1
TDA8274AHN/C1

NXP Semiconductors

Tuners SILICON TUNER

Data Sheet

Negotiable 
TDA8274AHN/C1,518
TDA8274AHN/C1,518

NXP Semiconductors

Tuners SILICON TUNER

Data Sheet

0-3125: $1.54
3125-4000: $1.54
TDA8274AHN/C1,557
TDA8274AHN/C1,557

NXP Semiconductors

Tuners SILICON TUNER

Data Sheet

0-1845: $1.60
1845-2450: $1.60
2450-3000: $1.54
TDA8274AHN/C1-S
TDA8274AHN/C1-S

NXP Semiconductors

Tuners SILICON TUNER

Data Sheet

Negotiable 
TDA8274AHN/C1-T
TDA8274AHN/C1-T

NXP Semiconductors

Tuners SILICON TUNER

Data Sheet

Negotiable 
TDA8274AHN/C1,551
TDA8274AHN/C1,551

NXP Semiconductors

Tuners SILICON TUNER

Data Sheet

Negotiable