ltc6416 Linear Technology Corporation, ltc6416 Datasheet
ltc6416
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ltc6416 Summary of contents
Page 1
... Out P-P With no external biasing or gain setting components and Out Composite a fl ow-through pinout, the LTC6416 is very easy to use. Out P-P It can be DC-coupled and has a common mode output Out Composite offset of –40mV. If the input signals are AC-coupled, the ...
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... TAPE AND REEL LTC6416CDDB#TRMPBF LTC6416CDDB#TRPBF LTC6416IDDB#TRMPBF LTC6416IDDB#TRPBF TRM = 500 pieces. *Temperature grades are identifi label on the shipping container. Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on lead based fi nish parts. ...
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... OUTCM CM OUTCM 0. 2. 1.25V CM OUTCM OUTCM V = 2.45V CLHI V = 2.45V CLHI V = 0.275V CLLO V = 0.275V CLLO V = 2.7V to 3.6V S LTC6416 , C = 6pF . V LOAD LOAD CM + – is defi ned as (OUT + OUT )/2. V OUTCM INDIFF MIN TYP MAX l 0.1 l 2.4 l –15 – 63 ...
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... LTC6416 3.3V ELECTRICAL CHARACTERISTICS operating temperature range, otherwise specifi cations are CLHI = V , CLLO = 0V unless otherwise noted – defi ned as (IN – defi ned as (OUT OUTDIFF SYMBOL PARAMETER Input/Output Characteristics G Differential Gain DIFF TCG Differential Gain Temperature Coeffi cient ...
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... P-P at Output Measured Single-Ended at Output 1.9V P-P,OUT + V = 3.3V 1.05V OUTDIFF + V = 3.3V 1.25V OUTDIFF + V = 3.6V 1.05V OUTDIFF + V = 3.6V 1.25V OUTDIFF LTC6416 , C = 6pF . V LOAD LOAD CM + – is defi ned as (OUT + OUT )/2. V OUTCM INDIFF MIN TYP MAX l 2.1 2.23 2.4 l – 0.1 0.25 0.4 l –120 – ...
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... Note 5: Since the LTC6416 is a voltage-output buffer, a resistive load is not required when driving an AD converter. Therefore, typical output power is very small. In order to compare the LTC6416 with amplifi ers that require a 50Ω output load, the LTC6416 output voltage swing driving a given R to OIP3 and P1dB were driving a 50Ω ...
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... V = 3.3V – 1.25V 400Ω LOAD DIFFERENTIAL OUT P-P –100 10 100 500 FREQUENCY (MHz) 6416 G05 LTC6416 Differential Output Return Loss (S22) vs Frequency 3.3V –1 –2 –3 –4 –5 –6 –7 –8 –9 –10 10 100 1000 FREQUENCY (MHz) 6416 G03 ...
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... LTC6416 TYPICAL PERFORMANCE CHARACTERISTICS Second and Third Harmonic Distortion vs Output Common Mode Voltage (75MHz) – 3. 400Ω LOAD DIFFERENTIAL OUT P-P –60 –70 HD3 –80 HD2 –90 –100 1.05 1.10 1.15 1.20 1.25 1.30 1.35 1.40 V (V) CM 6416 G07 Second and Third Harmonic Distortion vs Output Common Mode Voltage (300MHz) – ...
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... FREQUENCY (Hz) Negative Overdrive Recovery (V Pin) CLLO 200mV/DIV + OUT + IN 20ns/DIV LTC6416 Driving LTC2208 16-Bit ADC, 64K Point FFT 30MHz, IN –1dBFS, PGA = 3.6V –10 HD2 = –104.9dBc –20 HD3 = –86.1dBc –30 SFDR = 86.05dB SNR = 76.5dB –40 SEE FIGURE 5/ –50 TABLE 1 – ...
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... SNR = 70.9dBFS –40 –50 1:1 BALUN –60 –70 –80 –90 –100 –110 –120 –130 6416 G25 LTC6416 Driving LTC2208 16-Bit ADC, = 70MHz 64K Point FFT 140.5MHz, –7dBFS/Tone, PGA = 0 0 –10 –20 –30 –40 –50 –60 –70 –80 –90 –100 –110 – ...
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... CLHI CLHI OUT LTC6416 IN LOAD – OUT 4 – CLLO LTC6416 + (Pins 7, 8): Outputs. The LTC6416 outputs – + – OUT V = OUT – OUT OUTDIFF + – R OUT + OUT LOAD V = OUTCM + 2 OUT 6416 DC + and 6416f 11 ...
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... LTC6416 BLOCK DIAGRAM CLHI R11 6k – CLLO 5 12 LTC6416 Simplifi ed Schematic I1 I11 I13 R5 R3 13. Q13 Q11 2.5k 13k + OUT 9Ω Q12 – OUT Q14 7 R12 9Ω I2 I12 GND (6, 9) 6416 BD 6416f ...
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... APPLICATIONS INFORMATION Circuit Operation The LTC6416 is a low noise and low distortion fully dif- ferential unity-gain ADC driver with operation from DC to 2GHz (–3dB bandwidth), a differential input impedance of 12kΩ, and a differential output impedance of 18Ω. The LTC6416 is composed of a fully differential buffer with output common mode voltage control circuitry and high speed voltage-limiting clamps at the output ...
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... OUT 2 LTC6416 – OUT R15 – IN GND 100Ω 1 25Ω GND C39 CLLO 0.01μ OUT LTC6416 4 7 – – IN OUT 6416 F02 50Ω 6416 F03 50Ω 6416 F04 3.3V 1.5pF AIN 16 LTC2208 1pF DATA – AIN 1.5pF ...
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... ADC directly from the LTC6416. In practice, -/-/- however, better performance may be obtained by adding a few external components at the output of the LTC6416. Figure 5 shows the LTC6416 being driven by a 1:8 trans- former which provides 9dB of voltage gain while also pin. CM performing a single-ended to differential conversion. The differential outputs of the LTC6416 are lowpass fi ...
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... Test circuit B is Demo Circuit DC1257B. It consists of an LTC6416 driving an LTC2208 ADC intended for use in conjunction with demo circuit DC890B (computer interface board) and proprietary Linear Technology evaluation soft- ware to evaluate the performance of both parts together. ...
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... APPLICATIONS INFORMATION Figure 8. Demo Board DC1257B Layout LTC6416 6416f 17 ...
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... LTC6416 APPLICATIONS INFORMATION OPT 100Ω R7, R6 OPT GND OGND OGND 50 31 DA7 DB9 51 30 DA8 DB8 52 29 DA9 DB7 53 27 DA10 DB6 54 27 DA11 DB5 55 26 DA12 DB4 56 25 DA13 DB3 57 24 DA14 DB2 ...
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... DDB Package 10-Lead Plastic DFN (3mm × 2mm) (Reference LTC DWG # 05-08-1722 Rev Ø) 3.00 ±0.10 (2 SIDES) 2.00 ±0.10 PIN 1 BAR (2 SIDES) TOP MARK (SEE NOTE 6) 0.75 ±0.05 0.200 REF 0 – 0.05 LTC6416 R = 0.115 0.40 ± 0.10 TYP TYP PIN 0.20 OR 0.25 × 45° 0.64 ± 0.05 CHAMFER (2 SIDES) ...
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... FAX: (408) 434-0507 ● 3.6V 0.1μF 2.2μF CLHI + V V 25Ω R36 100Ω + OUT LTC6416 – OUT R15 – IN GND 100Ω 25Ω GND C39 CLLO 0.01μF COMMENTS –72dBc IM3 at 70MHz 2V –71dBc IM3 at 240MHz 2V 14dB, 20dB, 26dB –74dBc IM3 at 140MHz 2V 14dB, 20dB, 26dB – ...