LTC6400CUD-14-PBF LINER [Linear Technology], LTC6400CUD-14-PBF Datasheet
LTC6400CUD-14-PBF
Related parts for LTC6400CUD-14-PBF
LTC6400CUD-14-PBF Summary of contents
Page 1
FEATURES n 2.4GHz –3dB Bandwidth n Fixed Gain of 5V/V (14dB) n –97dBc IMD3 at 70MHz (Equivalent OIP3 = 52.4dBm) n –66dBc IMD3 at 300MHz (Equivalent OIP3 = 36.9dBm) n 1.1nV/√Hz Internal Op Amp Noise n 2.5nV/√Hz Total Input Noise ...
Page 2
... ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LTC6400CUD-14#PBF LTC6400CUD-14#TRPBF LTC6400IUD-14#PBF LTC6400IUD-14#TRPBF 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 G Gain DIFF TC Gain Temperature Drift GAIN V Output Swing Low SWINGMIN V Output Swing High SWINGMAX V Maximum Differential Output Swing ...
Page 4
LTC6400-14 AC ELECTRICAL CHARACTERISTICS ENABLE = 0V unless otherwise noted. L SYMBOL PARAMETER –3dBBW –3dB Bandwidth 0.1dBBW Bandwidth for 0.1dB Flatness 0.5dBBW Bandwidth for 0.5dB Flatness 1/f 1/f Noise Corner SR Slew Rate t 1% Settling Time S1% ...
Page 5
AC ELECTRICAL CHARACTERISTICS ENABLE = 0V unless otherwise noted. L SYMBOL PARAMETER 140MHz Input Signal HD2,140M/HD3,140M Second/Third Order Harmonic Distortion IMD3,140M Third-Order Intermodulation (f1 = 139.5MHz f2 = 140.5MHz) OIP3,140M Third-Order Output Intercept Point (f1 = 139.5MHz f2 ...
Page 6
LTC6400-14 AC ELECTRICAL CHARACTERISTICS ENABLE = 0V unless otherwise noted. L SYMBOL PARAMETER 300MHz Input Signal HD2,300M/HD3,300M Second/ Third-Order Harmonic Distortion IMD3,300M Third-Order Intermodulation (f1 = 299.5MHz f2 = 300.5MHz) OIP3,300M Third-Order Output Intercept Point (f1 = 299.5MHz ...
Page 7
TYPICAL PERFORMANCE CHARACTERISTICS Frequency Response TEST CIRCUIT 100 1000 3000 FREQUENCY (MHz) 640014 G01 Input and Output Refl ection and Reverse Isolation vs Frequency 0 –10 –20 ...
Page 8
LTC6400-14 TYPICAL PERFORMANCE CHARACTERISTICS Overdrive Recovery Response 87.5Ω PER OUTPUT L TEST CIRCUIT + –IN 0 –1 +OUT –2 –3 –OUT –4 – 100 TIME (ns) 640014 ...
Page 9
TYPICAL PERFORMANCE CHARACTERISTICS Equivalent Output 1dB Compression Point vs Frequency DIFFERENTIAL INPUT 375Ω L TEST CIRCUIT A (NOTE 100 150 200 250 FREQUENCY (MHz) 640014 G16 Turn-On Time 3.5 ...
Page 10
LTC6400-14 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 capacitors as close to the ...
Page 11
APPLICATIONS INFORMATION Circuit Operation The LTC6400- low noise and low distortion fully differential op amp/ADC driver with: • Operation from DC to 2.4GHz (–3dB bandwidth) • Fixed gain of 5V/V (14dB) • Differential input impedance 200Ω • Differential ...
Page 12
LTC6400-14 APPLICATIONS INFORMATION R S 0.1μF 50Ω 100Ω 1000Ω – IN+ OUT– 68.5Ω 14 +IN 0.1μF 15 –IN IN– OUT+ 0.1μF 1000Ω 100Ω 16 – 29Ω Figure 3. Input Termination for ...
Page 13
APPLICATIONS INFORMATION which is dominated by a low pass fi lter connected to the V pin and is aimed to reduce common mode noise OCM generation at the outputs. The internal common mode feedback loop has a –3dB bandwidth around ...
Page 14
... V CC C10 C9 C12 0.1μF 1000pF 1000pF C7 0.1μF C23 C5 0.1μF 0.1μF R21 R22 (1) (1) C24 C6 0.1μF 0.1μ LTC6400CUD-14 OPEN OPEN MINI-CIRCUITS TCM4-19 (1:4) C18 0.1μF R10 R14 86.6Ω (1) T2 R12 R8 C4 TCM 4- (1) 0.1μF 2 SL2 R7 R11 (2) ( 0.1μF 86.6Ω ...
Page 15
TYPICAL APPLICATIONS +IN PORT 1 (50Ω) 0.1μF +IN 1/2 AGILENT 200Ω –IN E5O71A –IN PORT 2 (50Ω) 0.1μF PACKAGE DESCRIPTION 3.50 ± 0.05 1.45 ± 0.05 2.10 ± 0.05 (4 SIDES) 0.50 BSC RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS Information ...
Page 16
LTC6400-14 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 ...