Datasheet LT6554 (Analog Devices)
| 制造商 | Analog Devices |
| 描述 | 650MHz Gain of 1 Triple Video Buffer |
| 页数 / 页 | 12 / 1 — FEATURES. DESCRIPTIO. 650MHz –3dB Small Signal Bandwidth. 400MHz –3dB 2V. … |
| 文件格式/大小 | PDF / 171 Kb |
| 文件语言 | 英语 |
FEATURES. DESCRIPTIO. 650MHz –3dB Small Signal Bandwidth. 400MHz –3dB 2V. P-P Large Signal Bandwidth. 100MHz. 0.1dB Bandwidth
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LT6554 650MHz Gain of 1 Triple Video Buffer
U FEATURES DESCRIPTIO
■
650MHz –3dB Small Signal Bandwidth
The LT®6554 is a high-speed triple video buffer with an ■
400MHz –3dB 2V
internally fixed gain of 1. The individual buffers are opti-
P-P Large Signal Bandwidth
■
100MHz
±
0.1dB Bandwidth
mized for performance with a 1k load and feature a ■
High Slew Rate: 2500V/
µ
s
2VP–P full signal bandwidth of 400MHz, making them ideal ■
Fixed Gain of 1 Requires No External Resistors
for driving very high-resolution video signals. Separate ■ 90dB Channel Separation at 10MHz power supply pins for each amplifier boost channel sepa- ■ 60dB Channel Separation at 100MHz ration to 90dB, allowing the LT6554 to excel in many high- ■ –82dBc 2nd Harmonic Distortion at 10MHz, 2V speed applications. P-P ■ –96dBc 3rd Harmonic Distortion at 10MHz, 2VP-P While the performance of the LT6554 is optimized for dual ■ Low Supply Current: 8mA per Amplifier supply operation, it can also be used on a single supply as ■ 6ns 0.1% Settling Time for 2V Step low as 4.5V. Using dual 5V supplies, each amplifier draws ■ TTL Compatible Enable: ISS ≤ 100µA When Disabled only 8mA. When disabled, the amplifiers draw less than ■ Differential Gain of 0.022%, Differential 100µA and the outputs become high impedance. Further- Phase of 0.006° more, the amplifiers are capable of turning on in less than ■ Wide Supply Range: ±2.25V (4.5V) to ±6V (12V) 50ns, making them suitable for multiplexing and portable ■ Available in 16-Lead SSOP Package
U
applications.
APPLICATIO S
The LT6554 is manufactured on Linear Technology’s proprietary low voltage complementary bipolar process ■ RGB Buffers and is available in the 16-lead SSOP package that fits in the ■ A/D Drivers same PCB area as an SO-8 package. ■ LCD Projectors , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
U TYPICAL APPLICATIO Triple Video Buffer and A/D Driver
5V 1 16
Large Signal Transient Response
LT6554 2 15 1.5 VOUT = 2VP–P 3 V R + S = ±5V IN 14 1.0 RL = 1k – TA = 25°C 1k 480Ω 4 0.5 13 –5V 480Ω 0 – 12 5 OUTPUT (V) G + IN –0.5 1k 6 480Ω 11 5V –1.0 – 10 7 + B –1.5 IN 1k 0 2 4 6 8 10 12 14 16 18 20 8 9 TIME (ns) –5V –5V 6554 TA01b 6554 TA01a 6554fa 1
U FEATURES DESCRIPTIO
■
650MHz –3dB Small Signal Bandwidth
The LT®6554 is a high-speed triple video buffer with an ■
400MHz –3dB 2V
internally fixed gain of 1. The individual buffers are opti-
P-P Large Signal Bandwidth
■
100MHz
±
0.1dB Bandwidth
mized for performance with a 1k load and feature a ■
High Slew Rate: 2500V/
µ
s
2VP–P full signal bandwidth of 400MHz, making them ideal ■
Fixed Gain of 1 Requires No External Resistors
for driving very high-resolution video signals. Separate ■ 90dB Channel Separation at 10MHz power supply pins for each amplifier boost channel sepa- ■ 60dB Channel Separation at 100MHz ration to 90dB, allowing the LT6554 to excel in many high- ■ –82dBc 2nd Harmonic Distortion at 10MHz, 2V speed applications. P-P ■ –96dBc 3rd Harmonic Distortion at 10MHz, 2VP-P While the performance of the LT6554 is optimized for dual ■ Low Supply Current: 8mA per Amplifier supply operation, it can also be used on a single supply as ■ 6ns 0.1% Settling Time for 2V Step low as 4.5V. Using dual 5V supplies, each amplifier draws ■ TTL Compatible Enable: ISS ≤ 100µA When Disabled only 8mA. When disabled, the amplifiers draw less than ■ Differential Gain of 0.022%, Differential 100µA and the outputs become high impedance. Further- Phase of 0.006° more, the amplifiers are capable of turning on in less than ■ Wide Supply Range: ±2.25V (4.5V) to ±6V (12V) 50ns, making them suitable for multiplexing and portable ■ Available in 16-Lead SSOP Package
U
applications.
APPLICATIO S
The LT6554 is manufactured on Linear Technology’s proprietary low voltage complementary bipolar process ■ RGB Buffers and is available in the 16-lead SSOP package that fits in the ■ A/D Drivers same PCB area as an SO-8 package. ■ LCD Projectors , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
U TYPICAL APPLICATIO Triple Video Buffer and A/D Driver
5V 1 16
Large Signal Transient Response
LT6554 2 15 1.5 VOUT = 2VP–P 3 V R + S = ±5V IN 14 1.0 RL = 1k – TA = 25°C 1k 480Ω 4 0.5 13 –5V 480Ω 0 – 12 5 OUTPUT (V) G + IN –0.5 1k 6 480Ω 11 5V –1.0 – 10 7 + B –1.5 IN 1k 0 2 4 6 8 10 12 14 16 18 20 8 9 TIME (ns) –5V –5V 6554 TA01b 6554 TA01a 6554fa 1