LTC6401CUD-26-PBF LINER [Linear Technology], LTC6401CUD-26-PBF Datasheet
![no-image](/images/no-image-200.jpg)
LTC6401CUD-26-PBF
Related parts for LTC6401CUD-26-PBF
LTC6401CUD-26-PBF Summary of contents
Page 1
FEATURES 1.6GHz –3dB Bandwidth ■ Fixed Gain of 20V/V (26dB) ■ ■ –85dBc IMD3 at 70MHz (Equivalent OIP3 = 46.5dBm) –72dBc IMD3 at 140MHz (Equivalent OIP3 = 40dBm) ■ 1nV/√ ⎯ H ⎯ z Internal Op Amp Noise ■ 1.5nV/√ ...
Page 2
... ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LTC6401CUD-26#PBF LTC6401CUD-26#TRPBF LCDG LTC6401IUD-26#PBF LTC6401IUD-26#TRPBF LCDG Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. ...
Page 3
DC ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T otherwise noted. SYMBOL PARAMETER Input/Output Characteristic (+IN, –IN, +OUT, –OUT, +OUTF, –OUTF) G Gain DIFF TC Gain Temperature Drift GAIN V Output Swing Low SWINGMIN V Output Swing High ...
Page 4
LTC6401-26 AC ELECTRICAL CHARACTERISTICS ⎯ E ⎯ N ⎯ A ⎯ B ⎯ L ⎯ 0V unless otherwise noted. L SYMBOL PARAMETER –3dBBW –3dB Bandwidth 0.5dBBW Bandwidth for 0.5dB Flatness 0.1dBBW Bandwidth for 0.1dB Flatness 1/f ...
Page 5
AC ELECTRICAL CHARACTERISTICS ⎯ E ⎯ N ⎯ A ⎯ B ⎯ L ⎯ 0V unless otherwise noted. L SYMBOL PARAMETER 140MHz Input Signal HD2,140M/ Second/Third Order Harmonic Distortion HD3,140M IMD3,140M Third-Order Intermodulation (f1 = 139.5MHz ...
Page 6
LTC6401-26 TYPICAL PERFORMANCE CHARACTERISTICS Frequency Response TEST CIRCUIT 100 FREQUENCY (MHz) S21 Phase and Group Delay vs Frequency 0 –50 –100 PHASE –150 –200 0 200 400 600 FREQUENCY (MHz) Input ...
Page 7
TYPICAL PERFORMANCE CHARACTERISTICS Noise Figure and Input Referred Noise Voltage vs Frequency NOISE FIGURE 100 FREQUENCY (MHz) Large Signal Transient Response 2 87.5Ω PER OUTPUT L TEST CIRCUIT B 2.0 +OUT ...
Page 8
LTC6401-26 TYPICAL PERFORMANCE CHARACTERISTICS Third Order Intermodulation Distortion vs Frequency –40 DIFFERENTIAL INPUT COMPOSITE OUT P-P –50 –60 –70 –80 –90 –100 200Ω L –110 0 50 100 150 FREQUENCY (MHz) 640126 ...
Page 9
PIN FUNCTIONS + V (Pins 1, 3, 10): Positive Power Supply (Normally tied 3.3V). All three pins must be tied to the same voltage. Bypass each pin with 1000pF and 0.1μF capaci- tors as close to the ...
Page 10
LTC6401-26 APPLICATIONS INFORMATION Circuit Operation The LTC6401- low noise and low distortion fully differential op amp/ADC driver with: • Operation from DC to 1.6GHz –3dB bandwidth • Fixed gain of 20V/V (26dB) • Differential input impedance 50Ω • ...
Page 11
APPLICATIONS INFORMATION R S 0.1μF 50Ω 25Ω 500Ω – IN+ OUT– 150Ω 14 +IN 0.1μF 15 –IN IN– OUT+ 0.1μF 25Ω 500Ω 16 –IN 37.4Ω Figure 3. Input Termination for Single-Ended 50Ω Input ...
Page 12
LTC6401-26 APPLICATIONS INFORMATION LTC6401-26 25Ω 500Ω 12.5Ω 13 +IN +OUT 8 50Ω IN+ OUT– +OUTF 7 14 +IN 1.7pF 50Ω 15 –IN IN– OUT+ –OUTF 6 25Ω 500Ω 12.5Ω 16 –IN –OUT 5 640126 F06 Figure 6. LTC6401-26 with 165MHz ...
Page 13
TYPICAL APPLICATION R2 (1) R6 0Ω (2) (2) + (1) 0dB –IN (2) R1 0Ω R19 1.5k TP5 V OCM R20 1k T3 R17 TCM 4:19 0Ω ...
Page 14
LTC6401-26 TYPICAL APPLICATION +IN 24.9Ω PORT 1 (50Ω) 0.1μF +IN 1/2 AGILENT –IN E5O71A –IN 24.9Ω PORT 2 (50Ω) 0.1μF 1000pF 14 Test Circuit B, 4-Port Analysis + V 1000pF 0.1μF V – + ENABLE BIAS ...
Page 15
PACKAGE DESCRIPTION 3.50 ± 0.05 1.45 ± 0.05 2.10 ± 0.05 (4 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS 3.00 ± 0.10 PIN 1 TOP MARK (NOTE 6) NOTE: 1. DRAWING CONFORMS TO JEDEC PACKAGE OUTLINE MO-220 VARIATION (WEED-2) 2. ...
Page 16
LTC6401-26 RELATED PARTS PART NUMBER DESCRIPTION High-Speed Differential Amplifi ers/Differential Op Amps LT ® 1993-2 800MHz Differential Amplifi er/ADC Driver LT1993-4 900MHz Differential Amplifi er/ADC Driver LT1993-10 700MHz Differential Amplifi er/ADC Driver LT1994 Low Noise, Low Distortion Differential Op Amp ...