AD8040 Analog Devices, AD8040 Datasheet
AD8040
Specifications of AD8040
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AD8040 Summary of contents
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... Filters A-to-D drivers Buffering GENERAL DESCRIPTION The AD8029 (single), AD8030 (dual), and AD8040 (quad) are rail-to-rail input and output high speed amplifiers with a quiescent current of only 1.3 mA per amplifier. Despite their low power consumption, the amplifiers provide excellent performance with 125 MHz small signal bandwidth and 60 V/µ ...
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... Theory of Operation ...................................................................... 15 Input Stage................................................................................... 15 Output Stage................................................................................ 15 REVISION HISTORY Revision A 11/03—Data Sheet Changed from Rev Rev. A Change Added AD8040 part .......................................................Universal Change to Figure 5 ....................................................................... 1 Changes to Specifications ............................................................ 3 Changes to Figures 10–12............................................................ 7 Change to Figure 14 ..................................................................... 8 Changes to Figures 20 and 21 ..................................................... 9 Inserted new Figure 36............................................................... 11 Change to Figure 40 ................................................................... 12 Inserted new Figure 41 ...
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... Bandwidth Bandwidth for 0.1 dB Flatness Slew Rate Settling Time to 0.1% NOISE/DISTORTION PERFORMANCE Spurious Free Dynamic Range (SFDR) Input Voltage Noise Input Current Noise Crosstalk (AD8030/AD8040) DC PERFORMANCE Input Offset Voltage Input Offset Voltage Drift 1 Input Bias Current Input Offset Current Open-Loop Gain INPUT CHARACTERISTICS ...
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... Bandwidth Bandwidth for 0.1 dB Flatness Slew Rate Settling Time to 0.1% NOISE/DISTORTION PERFORMANCE Spurious Free Dynamic Range (SFDR) Input Voltage Noise Input Current Noise Crosstalk (AD8030/AD8040) DC PERFORMANCE Input Offset Voltage Input Offset Voltage Drift 1 Input Bias Current Input Offset Current Open-Loop Gain INPUT CHARACTERISTICS ...
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... Bandwidth Bandwidth for 0.1 dB Flatness Slew Rate Settling Time to 0.1% NOISE/DISTORTION PERFORMANCE Spurious Free Dynamic Range (SFDR) Input Voltage Noise Input Current Noise Crosstalk (AD8030/AD8040) DC PERFORMANCE Input Offset Voltage Input Offset Voltage Drift 1 Input Bias Current Input Bias Current 1 Input Offset Current ...
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... MAXIMUM POWER DISSIPATION The maximum safe power dissipation in the AD8029/AD8030/ AD8040 package is limited by the associated rise in junction temperature ( the die. The plastic encapsulating the die J locally reaches the junction temperature. At approximately 150° ...
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... Figure 11. Small Signal Frequency Response for Various Supplies ±5V +3V 100 03679-0-006 Figure 12. Large Signal Frequency Response for Various Supplies Rev Page AD8029/AD8030/AD8040 0.2 DASHED LINES p-p OUT SOLID LINES 0.1V p-p 0.1 OUT FREQUENCY (MHz) Figure 10 ...
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... AD8029/AD8030/AD8040 0.1V p-p O 20pF 4 10pF 3 2 5pF 1 0 –1 0pF –2 –3 –4 –5 –6 –7 – 100 FREQUENCY (MHz) Figure 13. Small Signal Frequency Response for Various –1 –2 –3 –4 –5 2V p-p 1V p-p –6 0.1V p-p –7 – FREQUENCY (MHz) Figure 14 ...
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... Figure 23. Harmonic Distortion vs. Input Common Mode Voltage 1000 100 03679-A-016 Figure 24. Voltage and Current Noise vs. Frequency Rev Page AD8029/AD8030/AD8040 p-p OUT SECOND HARMONIC: SOLID LINE THIRD HARMONIC: DASHED LINE R = 1kΩ 5kΩ 2kΩ ...
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... AD8029/AD8030/AD8040 100 ±2. –25 –50 –75 25mV/DIV –100 TIME (ns) Figure 25. Small Signal Transient Response 2 p ±2.5V 2.0 S 1.5 1.0 2V p-p 0.5 0 –0.5 –1.0 –1.5 –2.0 0.5V/DIV –2.5 TIME (ns) Figure 26. Large Signal Transient Response 4 INPUT 3 2 OUTPUT 1 0 –1 –2 –3 1V/DIV – ...
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... FREQUENCY (Hz) Figure 35. PSRR vs. Frequency V IN DRIVE AMP 50Ω 1kΩ LISTEN AMP V OUT 1kΩ OUT CROSSTALK = 20log AD8030 V IN (AMP 2 DRIVE AMP 1 LISTEN) AD8040 (AMP 4 DRIVE AMP 1 LISTEN) 0.1 1.0 10 100 FREQUENCY (MHz) Figure 36. AD8030/AD8040 Crosstalk vs. Frequency +0.1% –0.1% 1G 03679-0-033 1000 ...
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... AD8029/AD8030/AD8040 2 1.5 1.0 0.5 0 –0.5 –1.0 –1.5 –2.0 –2.5 – INPUT COMMON-MODE VOLTAGE (V) Figure 37. Input Bias Current vs. Input Common-Mode Voltage –1.0 –1.2 NPN ACTIVE –1.4 = ± –1.6 PNP ACTIVE –1.8 –2.0 –40 –25 –10 ...
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... Figure 45. Output Impedance vs. Frequency, Enabled 2.0 1.5 1.0 0.5 0 –0.5 S –1.0 –1.5 –2.0 –2.5 10000 03679-0-041 – VOH S– 95 110 125 03679-0-066 Rev Page AD8029/AD8030/AD8040 10k 100k 1M 10M 100M FREQUENCY (Hz 10kΩ 1kΩ L –2.0 –1.5 –1.0 –0.5 –0 0.5 1 ...
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... AD8029/AD8030/AD8040 1.5 DISABLE (–0.5V TO –2V) 1.0 0 100Ω 1kΩ 10kΩ L –0.5 –1.0 –1 100 150 200 TIME (ns) Figure 47. AD8029 DISABLE Turn-Off Timing 1.5 DISABLE (–2V TO –0.5V) 1.0 0 100Ω L –0 1kΩ 10kΩ L –1.0 –1 100 150 ...
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... Analog Devices’ XFCB process. The XFCB process enables the AD8029/ AD8030/AD8040 to operate on 2 supplies with a 120 MHz bandwidth and a 60 V/µs slew rate. A simplified sche- matic of the AD8029/AD8030/AD8040 is shown in Figure 50. ...
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... Figure 52. Wideband Inverting Gain Configuration OUTPUT LOADING SENSITIVITY To achieve maximum performance and low power dissipation, the designer needs to consider the loading at the output of AD8029/AD8030/AD8040. Table 5 shows the effects of output loading and performance. When operating at unity gain, the effective load at the amplifier output is the resistance (R ) being driven by the amplifier ...
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... Voltage Low (Disabled) High (Enabled) = 5kΩ 1kΩ 2.5kΩ 5kΩ 100 1000 Rev Page AD8029/AD8030/AD8040 HD2 at 1 MHz, HD3 at 1 MHz, Output Noise 2 V p-p (dB p-p (dB) (nV/√Hz) –80 –72 16.5 –84 –83 16.5 –87.5 –92.5 16.5 –72 –60 33.5 –79 –72.5 34.4 – ...
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... AD8029/AD8030/AD8040 CIRCUIT CONSIDERATIONS PCB Layout High speed op amps require careful attention to PCB layout to achieve optimum performance. Particular care must be exercised to minimize lead lengths of the bypass capacitors. Excess lead inductance can influence the frequency response and even cause high frequency oscillations. Using a multilayer board with an internal ground plane can help reduce ground noise and enable a more compact layout ...
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... Figure 59. 14-Lead Standard Small Outline Package [SOIC] (R-14) 14 4.50 4.40 4.30 PIN 1 1.05 0.46 1.00 0.36 8° 0.80 0.26 4° 0° 0.15 0.05 Figure 60. 14-Lead Thin Shrink Small Outline Package [TSSOP] (RU-14) 0.60 8° 0.45 4° 0.30 0° Rev Page AD8029/AD8030/AD8040 8.75 (0.3445) 8.55 (0.3366 6.20 (0.2441) 5.80 (0.2283 1.27 (0.0500) 0.50 (0.0197) 1.75 (0.0689) BSC 0.25 (0.0098) 1.35 (0.0531) 8° 0.51 (0.0201) 0° SEATING 1.27 (0.0500) 0.25 (0.0098) PLANE 0.31 (0.0122) ...
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... AD8040AR-REEL 2500 AD8040AR-REEL7 1000 AD8040ARU 1 AD8040ARU-REEL 2500 AD8040ARU-REEL7 1000 ESD CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although this product features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges ...