Datasheet for DC1257B:
- Manufacturer Part Number : DC1257B
- Manufacturer : AD
- Description : 800MHz, 31dB Range Analog-Controlled VGA IC
- Series : LTC6412
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : ADC Drivers
- Function : Fully Differential Amplifiers
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : LTC6416 + LTC2208 Combo board (Requires DC890 & LVDS_XFMR)
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : DC1257B
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The LTC6412 is a fully differential variable gain amplifier with linear-in-dB analog gain control. It is designed for AC-coupled operation in IF receiver chains from 1MHz to 500MHz. The part has a constant OIP3 across a wide output amplitude range and across the 31dB gain control range. The output noise (NF + Gain) is also fl at versus gain to provide a uniform spurious-free dynamic range (SFDR) >120dB over the full gain control range at 240MHz.
The LTC6412 is ideal for interfacing with the LT5527 and LT5557 downconverting mixers, LTC6410-6 IF amplifier and the LTC6400/LTC6401/LTC6416 ADC drivers for use in 12-, 14-, and 16-bit ADC applications.
The LTC6412 recovers quickly from an overdrive condition, and the EN pin allows for a fast output signal disable to protect sensitive downstream components. Asserting the SHDN pin reduces the current consumption below 1mA for power-down or sleep modes.
Applications
- IF Signal Chain Automatic Gain Control (AGC)
- 2.5G and 3G Cellular Basestation Transceivers
- WiMAX, WiBro, WLAN Receivers
- Satellite and GPS Receiver IF
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
