Datasheet for LTC6954IUFF-4#TRPBF:
- Manufacturer Part Number : LTC6954IUFF-4#TRPBF
- Manufacturer : AD
- Description : Low Phase Noise, Triple Output Clock Distribution Divider/Driver IC
- Series : LTC6954
- Reference Price : USD 6.048
- Our Price : We have a better price, contact us by email
- Product Type : Clock Generation & Distribution
- Function : Clock Distribution Devices
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 36-Lead QFN (4mm x 7mm x 0.75mm w/ EP)
- Pins : 36
- MFG Package Case : 05-08-1863
- Part Type : REEL
- Standard Packing Type : Reel
- Standard Packing Quantity : 2500
- Working Temperature : -40 to 85C
- Other Part Number : LTC6954IUFF-4#TRPBF
- 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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- Low Noise Clock Distribution: Suitable for High Speed/High Resolution ADC Clocking
- Additive Jitter < 20fsRMS (12kHz to 20MHz)
- Additive Jitter < 85fsRMS (10Hz to Nyquist)
- 1.8GHz Maximum Input Frequency (LTC6954-1 When DELAY = 0)
- 1.4GHz Maximum Input Frequency (LTC6954-1 When DELAY > 0, LTC6954-2, -3, -4)
- EZSync™ Clock Synchronization Compatible
- Three Independent, Low Noise Outputs
- Four Output Combinations Available
- Three Independent Programmable Dividers Covering All Integers From 1 to 63
- Three Independent Programmable Delays Covering All Integers From 0 to 63
- –40°C to 105°C Junction Temperature Range
The LTC6954 is a family of very low phase noise clock distribution parts. Each part has three outputs and each output has an individually programmable frequency divider and delay. There are four members of the family, differing in their output logic signal type:
LTC6954-1: Three LVPECL outputs
LTC6954-2: Two LVPECL and one LVDS/CMOS outputs
LTC6954-3: One LVPECL and two LVDS/CMOS outputs
LTC6954-4: Three LVDS/CMOS outputs
Each output is individually programmable to divide the input frequency by any integer from 1 to 63, and to delay each output by 0 to 63 input clock cycles. The output duty cycle is always 50%, regardless of the divide number. The LVDS/CMOS outputs are jumper selectable via the OUTxSEL pins to provide either an LVDS logic output or a CMOS logic output.
The LTC6954 also features Linear Technology’s EZSync system for perfect clock synchronization and alignment every time.
All device settings are controlled through an SPI-compatible serial port.
Applications
- Clocking High Speed, High Resolution ADCs, DACs and Data Acquisition Systems
- Low Jitter Clock Distribution
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
