Datasheet LT6555 (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | 650MHz Gain of 2 Triple 2:1Video Multiplexer |
| Páginas / Página | 16 / 1 — FEATURES. DESCRIPTIO. 650MHz –3dB Small Signal Bandwidth. 450MHz –3dB 2V. … |
| Formato / tamaño de archivo | PDF / 374 Kb |
| Idioma del documento | Inglés |
FEATURES. DESCRIPTIO. 650MHz –3dB Small Signal Bandwidth. 450MHz –3dB 2V. P-P Large-Signal Bandwidth. 120MHz. 0.1dB Bandwidth
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LT6555 650MHz Gain of 2 Triple 2:1Video Multiplexer
U FEATURES DESCRIPTIO
■
650MHz –3dB Small Signal Bandwidth
The LT®6555 is a high speed triple 2:1 video multiplexer ■
450MHz –3dB 2V
with an internally fixed gain of 2. The individual amplifiers
P-P Large-Signal Bandwidth
■
120MHz
±
0.1dB Bandwidth
are optimized for performance with a double terminated ■
High Slew Rate: 2200V/
µ
s
75Ω video load and feature a –3dB 2VP-P bandwidth of ■
Fixed Gain of 2; No External Resistors Required
450MHz, making them ideal for driving very high resolu- ■ 72dB Channel Separation at 10MHz tion video signals. Separate power supply pins for each ■ 50dB Channel Separation at 100MHz amplifier boost channel separation to 72dB, allowing the ■ –80dBc 2nd Harmonic Distortion at 10MHz, 2V LT6555 to excel in many high speed applications. P-P ■ –70dBc 3rd Harmonic Distortion at 10MHz, 2VP-P While the performance of the LT6555 is optimized for dual ■ Low Supply Current: 9mA per Amplifier supply operation, it can also be operated with a single ■ 6.5ns 0.1% Settling Time for 2V Step supply as low as 4.5V. Using dual 5V supplies, each ■ ISS ≤ 500µA per Amplifier when Disabled amplifier draws only 9mA. When disabled, the amplifiers ■ Differential Gain of 0.033%, Differential draw less than 500µA and the outputs become high Phase of 0.022° impedance. ■ Wide Supply Range: ±2.25V (4.5V) to ±6V (12V) ■ Available in 24-Lead SSOP and 24-Lead QFN The LT6555 is manufactured on Linear Technology’s Packages proprietary low voltage complementary bipolar process
U
and is available in 24-lead SSOP and ultra-compact
APPLICATIO S
24-lead QFN packages. , LTC and LT are registered trademarks of Linear Technology Corporation. ■ RGB Amplifiers All other trademarks are the property of their respective owners. ■ UXGA Video Multiplexing ■ LCD Projectors
U TYPICAL APPLICATIO RGB Multiplexer and Line Driver
V+ RINA LT6555 GINA 75Ω BINA 75Ω
Video Amplitude Transient Response
×2 ROUT 75Ω 1.8 75Ω 1.6 1.4 1.2 75Ω AGND 75Ω 1.0 ×2 GOUT 0.8 75Ω RINB 0.6 GINB OUTPUT (V) 0.4 BINB 75Ω 0.2 VIN = 0V TO 700mV 0 V 75Ω S = ±5V RL = 150Ω 75Ω ×2 B –0.2 OUT TA = 25°C 75Ω –0.4 0 2 4 6 8 10 12 14 16 18 20 SELECT A/B TIME (ns) 75Ω ENABLE 6555 G21 DGND V– 6555 TA01a 6555f 1
U FEATURES DESCRIPTIO
■
650MHz –3dB Small Signal Bandwidth
The LT®6555 is a high speed triple 2:1 video multiplexer ■
450MHz –3dB 2V
with an internally fixed gain of 2. The individual amplifiers
P-P Large-Signal Bandwidth
■
120MHz
±
0.1dB Bandwidth
are optimized for performance with a double terminated ■
High Slew Rate: 2200V/
µ
s
75Ω video load and feature a –3dB 2VP-P bandwidth of ■
Fixed Gain of 2; No External Resistors Required
450MHz, making them ideal for driving very high resolu- ■ 72dB Channel Separation at 10MHz tion video signals. Separate power supply pins for each ■ 50dB Channel Separation at 100MHz amplifier boost channel separation to 72dB, allowing the ■ –80dBc 2nd Harmonic Distortion at 10MHz, 2V LT6555 to excel in many high speed applications. P-P ■ –70dBc 3rd Harmonic Distortion at 10MHz, 2VP-P While the performance of the LT6555 is optimized for dual ■ Low Supply Current: 9mA per Amplifier supply operation, it can also be operated with a single ■ 6.5ns 0.1% Settling Time for 2V Step supply as low as 4.5V. Using dual 5V supplies, each ■ ISS ≤ 500µA per Amplifier when Disabled amplifier draws only 9mA. When disabled, the amplifiers ■ Differential Gain of 0.033%, Differential draw less than 500µA and the outputs become high Phase of 0.022° impedance. ■ Wide Supply Range: ±2.25V (4.5V) to ±6V (12V) ■ Available in 24-Lead SSOP and 24-Lead QFN The LT6555 is manufactured on Linear Technology’s Packages proprietary low voltage complementary bipolar process
U
and is available in 24-lead SSOP and ultra-compact
APPLICATIO S
24-lead QFN packages. , LTC and LT are registered trademarks of Linear Technology Corporation. ■ RGB Amplifiers All other trademarks are the property of their respective owners. ■ UXGA Video Multiplexing ■ LCD Projectors
U TYPICAL APPLICATIO RGB Multiplexer and Line Driver
V+ RINA LT6555 GINA 75Ω BINA 75Ω
Video Amplitude Transient Response
×2 ROUT 75Ω 1.8 75Ω 1.6 1.4 1.2 75Ω AGND 75Ω 1.0 ×2 GOUT 0.8 75Ω RINB 0.6 GINB OUTPUT (V) 0.4 BINB 75Ω 0.2 VIN = 0V TO 700mV 0 V 75Ω S = ±5V RL = 150Ω 75Ω ×2 B –0.2 OUT TA = 25°C 75Ω –0.4 0 2 4 6 8 10 12 14 16 18 20 SELECT A/B TIME (ns) 75Ω ENABLE 6555 G21 DGND V– 6555 TA01a 6555f 1