LA72912V FM Modulator and Demodulator IC Overview The LA72912V is a FM modulation and demodulation single-chip IC. Its adjustment free modulation/demodulation circuit significantly www.onsemi.com reduces the number of peripheral circuits required and can contribute to lower production costs. Functions ASK Modulation and Demodulation Video Signal FM Modulation and Demodulation Video Signal Emphasis and De-emphasis Function Drop-Out Detecting Function of Video FM Signal SSOP24 CASE 565AQ FM Mute Function at Second-Call MAXIMUM RATINGS (T = 25C) MARKING DIAGRAM A Parameter Symbol Conditions Ratings Unit Maximum Supply Voltage V max 7.0 V CC XXXXXXXXXX Allowable Power Pd max 300 mW YMDDD Dissipation T 70 C C Operating Temperature Topr 30 to +70 A (Note 1) C Storage Temperature Tstg 40 to +150 XXXXX = Specific Device Code Y = Year Stresses exceeding those listed in the Maximum Ratings table may damage the M = Month device. If any of these limits are exceeded, device functionality should not be DDD = Additional Traceability Data assumed, damage may occur and reliability may be affected. 1. Mounted on a 114.3 mm 76.1 mm 1.6 mm, glass epoxy board. ORDERING INFORMATION RECOMMENDED OPERATING CONDITIONS (T = 25C) A Device Package Shipping Parameter Symbol Conditions Ratings Unit LA72912VTLMH SSOP24 1,000 / Recommended VCC 5.0 V (PbFree/ Tape & Reel Supply Voltage Halogen Free) Allowable Operating V op T = 30 to +70C 4.7 to 5.5 V A CC Voltage Range For information on tape and reel specifications, including part orientation and tape sizes, please Functional operation above the stresses listed in the Recommended Operating refer to our Tape and Reel Packaging Specification Ranges is not implied. Extended exposure to stresses beyond the Brochure, BRD8011/D. Recommended Operating Ranges limits may affect device reliability. Semiconductor Components Industries, LLC, 2013 1 Publication Order Number: August, 2018 Rev. 1 LA72912V/DLA72912V ELECTRICAL CHARACTERISTICS (T = 25C, V = 5.0 V) A CC Parameter Symbol In Out Conditions Min Typ Max Unit DC CHARACTERISTICS (T6 = 0.4 V, T17 = 2.0 V, T18 = 0.4 V) Control Terminal CNT6L T6 Low level of control terminal of 0 0.4 V (Pin 6,9) Low Level CNT17L T17 ALL mode. T6 = 0.4 V (DEMOD mode), T17 = 0.4 V (Standby mode) Control Terminal CNT6H T6 High level of input terminal of 2.0 5.0 V (Pin 6,9) High Level CNT17H T17 ALL mode T6 = 2.0 V (MOD mode), T17 = 2.0 V (Normal mode) Input5 Low Level IN5L T5 Low level of input terminal of 0 0.4 V MOD mode T6 = 2.0 V, T17 = 2.0 V, T18 = 0.4 V Input5 High Level IN5H T5 High level of input terminal of 2.0 5.0 V MOD mode T6 = 2.0 V, T17 = 2.0 V, T18 = 0.4 V Input18 Low Level IN18L T18 Low level of input terminal of 0 0.4 V MOD mode T5 = 0.4 V, T6 = 2.0 V, T17 = 2.0 V Input18 High Level IN18H T18 High level of input terminal of 2.0 5.0 V MOD mode T5 = 0.4 V, T6 = 2.0 V, T17 = 2.0 V Output18 Terminal OPH18 T18 DEMOD mode: FMSignal input 4.7 V High Level T6 = 0.4 V, T17 = 2.0 V, Pull-up: 15 k 0.25 0.4 Output18 Terminal OPL13 T18 T18: DEMOD mode: 0 V Low Level OPL18 FM No-signal Measure the sink level of output terminal. T6 = 0.4 V, T17 = 2.0 V, Pullup: 15 k Input20 Low Level IN20L T20 T20 Voltage of terminal at AGC ON 0 3 V T6 = 0.4 V, T17 = 2.0 V Input20 High Level IN20H T20 T20 Voltage of terminal at AGC OFF 4.5 5.0 V T6 = 0.4 V, T17 = 2.0 V 5pin AC Input ACIN5 T5A T3 Input amplitude level of FM signal 1000 mVpp Dynamic Range Freq: 11.5 MHz to 13.5 MHz 16pin AC Input ACIN16 T24A T3 Maximum input level of T24A at 1.5 Vpp Dynamic Range Video signal VIDEO FM MODULATION BLOCK (MOD) (T6 = 2.0 V, T17 = 2.0 V, T18 = 0.4 V) Current Dissipation I R Measure the currents into pins 2 22.0 27.0 32.0 mA CC (MOD mode) FM Modulator VFM1 T3 Measure the output level on T3 1.8 2.2 Vpp Output Level (No signal input) It is load impedance 200 between T3 GND. FM Mute Output Level VFM2 T3 Measure the T3 output level with 0 10 20 mVpp 2nd call Carrier Frequency FFM T3 Measure the output frequency on 10.9 11.5 12.1 MHz T3 with no signal input FM Output Second THD2 T3 Measure the second harmonics 30 20 dB Harmonic Distortion distortion with the above condition www.onsemi.com 2