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5 / 87 page TDA8296 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 1 — 3 March 2011 5 of 87 NXP Semiconductors TDA8296 Digital global standard low IF demodulator for analog TV and FM radio [1] The pull-in range can be doubled to ±1660 kHz by I2C-bus register like described in Table 16. Then the AFC read-out has 256 steps. [2] To set audio gain to +6 dB for internal sound demodulation, register 22h has to be programmed to 08h. 5. Ordering information THD total harmonic distortion FM; for 50 kHz deviation before pre-emphasis (25 kHz for M standard) - 0.15 0.3 % AM; m = 80 % - 0.5 1 % BAF(−3dB) −3 dB AF bandwidth AM 20 27 - kHz FM 40 50 - kHz (S/N)w(AF) AF weighted signal-to-noise ratio via internal mono sound demodulator; “ITU-R BS.468-4”; FM mode related to 27 kHz deviation before pre-emphasis; 10 % residual PC; SC1; color bar picture 52 54 - dB via internal mono sound demodulator; (audio gain +6 dB) “ITU-R BS.468-4”; AM; m = 54 %; 3 % residual PC; SC1; color bar picture [2] 40 44 - dB Table 1. Quick reference data …continued Power supplies 3.3 V, 1.2 V; Tamb = 25 °C; PC/SC1 for L and M = 10 dB, all others 13 dB; nominal residual picture carrier of 3 % for L/L’ , 10 % for M, 10 % for B/G, 12.5 % for D/K, 20 % for I; FM/AM modulation = 54 %, 1 kHz modulation frequency; measured in application PCB (see Figure 22 and Figure 23) with 16 MHz crystal frequency, terminated with 75 Ω (CVBS) and 1 k Ω (SSIF/audio). Operation mode set via easy programming (Section 9.3.1), otherwise stated. Low IF input signal at -3dB full scale, input frequencies as defined under row header IF input. Symbol Parameter Conditions Min Typ Max Unit Table 2. Ordering information Type number Package Name Description Version TDA8296HN HVQFN40 plastic thermal enhanced very thin quad flat package; no leads; 40 terminals; body 6 × 6 × 0.85 mm SOT618-1 |
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