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LTC6401-14

Features: `2GHz 3dB Bandwidth`Fixed Gain of 5V/V (14dB)`91dBc IMD3 at 70MHz (Equivalent OIP3 = 49.3dBm)`81dBc IMD3 at 140MHz (Equivalent OIP3 = 44.5dBm)`1.1nV/Hz Internal Op Amp Noise`7.3dB Noise Figure`Differential Inputs and Outputs`200 Input Impedance`2.85V to 3.5V Supply Voltage`45mA Supply Cu...

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SeekIC No. : 004402662 Detail

LTC6401-14: Features: `2GHz 3dB Bandwidth`Fixed Gain of 5V/V (14dB)`91dBc IMD3 at 70MHz (Equivalent OIP3 = 49.3dBm)`81dBc IMD3 at 140MHz (Equivalent OIP3 = 44.5dBm)`1.1nV/Hz Internal Op Amp Noise`7.3dB Noise Fi...

LTC6401-14 Data Sheet

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Part Number:
LTC6401-14
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

`2GHz 3dB Bandwidth
`Fixed Gain of 5V/V (14dB)
`91dBc IMD3 at 70MHz (Equivalent OIP3 = 49.3dBm)
`81dBc IMD3 at 140MHz (Equivalent OIP3 = 44.5dBm)
`1.1nV/Hz Internal Op Amp Noise
`7.3dB Noise Figure
`Differential Inputs and Outputs
`200 Input Impedance
`2.85V to 3.5V Supply Voltage
`45mA Supply Current (135mW)
`1V to 1.6V Output Common Mode, Adjustable
`DC- or AC-Coupled Operation
`Max Differential Output Swing 4.6VP-P
`Small 16-Lead 3mm * 3mm * 0.75mm QFN Package




Application

·Differential ADC Driver
·Differential Driver/Receiver
·Single Ended to Differential Conversion
·IF Sampling Receivers
·SAW Filter Interfacing




Pinout






Specifications

Supply Voltage (V+ V) ...................................3.6V
Input Current (Note 2) ....................................±10mA
Operating Temperature Range
(Note 3) ............................................... 40 to 85
Specifi ed Temperature Range
(Note 4) ............................................... 40 to 85
Storage Temperature Range ............. 65 to 150
Maximum Junction Temperature ....................... 150
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: Input pins (+IN, IN) are protected by steering diodes to either
supply. If the inputs go beyond either supply rail, the input current should
be limited to less than 10mA.
Note 3: The LTC6401C and LTC6401I are guaranteed functional over the
operating temperature range of 40 to 85.
Note 4: The LTC6401C is guaranteed to meet specifi ed performance from
0 to 70. It is designed, characterized and expected to meet specifi ed
performance from 40 to 85 but is not tested or QA sampled at these
temperatures. The LTC6401I is guaranteed to meet specifi ed performance
from 40 to 85.
Note 5: Input and output baluns used. See Test Circuit A.
Note 6: Measured using Test Circuit B. RL = 87.5 per output.
Note 7: Since the LTC6401-14 is a feedback amplifi er with low output
impedance, a resistive load is not required when driving an AD converter.
Therefore, typical output power is very small. In order to compare the
LTC6401-14 with amplifi ers that require 50 output load, the LTC6401-14
output voltage swing driving a given RL is converted to OIP3 and P1dB as
if it were driving a 50 load. Using this modifi ed con




Description

The LTC®6401-14 is a high-speed differential amplifi er targeted at processing signals from DC to 140MHz. The part has been specifi cally designed to drive 12-, 14- and 16-bit ADCs with low noise and low distortion, but can also be used as a general-purpose broadband gain block.

The LTC6401-14 is easy to use, with minimal support circuitry required. The output common mode voltage is set using an external pin, independent of the inputs, which eliminates the need for transformers or AC-coupling capacitors in many applications. The gain is internally fi xed at 14dB (5V/V).

The LTC6401-14 saves space and power compared to alternative solutions using IF gain blocks and transformers.

The LTC6401-14 is packaged in a compact 16-lead 3mm * 3mm QFN package and operates over the 40 to 85 temperature range.






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