ADL5519-EVALZ Analog Devices Inc, ADL5519-EVALZ Datasheet
ADL5519-EVALZ
Specifications of ADL5519-EVALZ
Related parts for ADL5519-EVALZ
ADL5519-EVALZ Summary of contents
Page 1
... MHz to 8 GHz and provides useful operation to 10 GHz. The ±3 dB dynamic range is typically 62 dB and has a ±1 dB dynamic range of >50 dB (re: 50 Ω). The ADL5519 has a response time of 6 ns/8 ns (fall time/rise time) that enables RF burst detec- tion to a pulse rate of greater than 50 MHz. The device provides unprecedented logarithmic intercept stability vs ...
Page 2
... Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Absolute Maximum Ratings ............................................................ 9 ESD Caution .................................................................................. 9 Pin Configuration and Function Descriptions ........................... 10 Typical Performance Characteristics ........................................... 11 Theory of Operation ...................................................................... 19 Using the ADL5519 ........................................................................ 20 Basic Connections ...................................................................... 20 Input Signal Coupling ................................................................ 20 Temperature Sensor Interface ................................................... 22 VREF Interface ........................................................................... 22 Power-Down Interface ............................................................... 22 Setpoint Interface—VSTA, VSTB ............................................. 22 Output Interface—OUTA, OUTB ............................................ 22 Difference Output— ...
Page 3
... Typ 0.001 V − 0.7 P 1670||0. −1 −52 −22 22 0.7 1. ±0.25 +0.16 −0.6 ±0.25 = −30 dBm, ±0.4 ±0.25 = −30 dBm, ±0. 925||0. −2 −56 −22 20.3 0.67 1.34 ADL5519 Max Unit 10 GHz V Ω|| dBm dBm mV/dB dBm Ω|| dBm dBm mV/dB dBm V V ...
Page 4
... ADL5519 Parameter OUTP, OUTN Dynamic Gain Range Temperature Sensitivity Input A-to-Input B Isolation Input A-to-OUTB Isolation Input B-to-OUTA Isolation MEASUREMENT MODE, 1.9 GHz OPERATION Input Impedance OUTA, OUTB ± Dynamic Range OUTA, OUTB Maximum Input Level OUTA, OUTB Minimum Input Level 1 OUTA, OUTB, OUTP, OUTN Slope ...
Page 5
... A Rev Page Min Typ 408||0. −5 −60 −22 16.9 0.6 1. ±0.28 +0.3 −0.5 ±0.25 = −30 dBm, ±0.4 ±0.25 = −30 dBm ±0 187||0. −4 −58 −22.5 17 0.62 1. ADL5519 Max Unit Ω|| dBm dBm mV/dB dBm Ω|| dBm dBm mV/dB dBm ...
Page 6
... ADL5519 Parameter Temperature Sensitivity Input A-to-Input B Isolation Input A-to-OUTB Isolation Input B-to-OUTA Isolation MEASUREMENT MODE, 5.8 GHz OPERATION Input Impedance OUTA, OUTB ± Dynamic Range OUTA, OUTB Maximum Input Level OUTA, OUTB Minimum Input Level OUTA, OUTB, OUTP, OUTN Slope 1 1 OUTA, OUTB Intercept ...
Page 7
... Controller mode, sourcing 50 μA Rev Page Min Typ +10||−1. −48 −22 26 0.81 1. ±0.4 −0.1 +0.5 ±0.3 = −30 dBm, ±0.5 ±0.3 = −30 dBm, ±0 0.3 V − 0.4 P 0.09 V − 0. 0.38 1.6 40 ADL5519 Max Unit Ω|| dBm dBm mV/dB dBm nV/√ MHz V V kΩ ...
Page 8
... ADL5519 Parameter DIFFERENCE LEVEL ADJUST Input Voltage Input Resistance TEMPERATURE COMPENSATION Input Resistance Disable Threshold Voltage VOLTAGE REFERENCE Output Voltage Temperature Sensitivity Current Limit Source/Sink TEMPERATURE REFERENCE Output Voltage Temperature Sensitivity Current Limit Source/Sink POWER-DOWN INTERFACE Logic Level to Enable Logic Level to Disable ...
Page 9
... Exposure to absolute 420 mW maximum rating conditions for extended periods may affect 42°C/W device reliability. 142°C −40°C to +125°C ESD CAUTION −65°C to +150°C 260°C Rev Page ADL5519 ...
Page 10
... AC-Coupled RF Input for Channel B. Paddle Internally connected to COMR. COMR 1 24 COMR PIN 1 COMR 2 23 COMR INDICATOR VPSB 3 22 VPSA ADJB 4 21 ADJA ADL5519 VREF 5 20 VPSR VLVL 6 19 TEMP TOP VIEW CLPB 7 (Not to Scale) 18 CLPA VSTB 8 17 VSTA CONNECT Figure 2. Pin Configuration ...
Page 11
... P (dBm) IN Single-Ended Drive −30 dBm, Channel A Swept INHB 0 –60 –50 –40 –30 –20 –10 P (dBm) IN Single-Ended Drive ADL5519 2.0 1 –1.0 –2 2.0 1.0 0 –1.0 –2 2.0 1.5 1.0 0.5 0 –0.5 –1.0 –1.5 –2.0 0 ...
Page 12
... ADL5519 2.0 1.0 0 –1.0 –2.0 –60 –50 –40 –30 –20 P (dBm) IN Figure 9. Distribution of OUTA, OUTB Error over Temperature After Ambient Normalization vs. Input Amplitude for 45 Devices, Frequency = 900 MHz, ADJA, ADJB = 0.6 V, 0.65 V, Sine Wave, Single-Ended Drive 0.20 0.15 0.10 0.05 0 –0.05 – ...
Page 13
... Temperature for 45 Devices from a Nominal Lot, Frequency = 2.2 GHz, Rev Page –50 –40 –30 –20 –10 P (dBm) IN Single-Ended Drive 2.0 1.0 0 –60 –50 –40 –30 –20 –10 P (dBm –60 –50 –40 –30 –20 –10 P (dBm) IN ADJA, ADJB = 0.48 V, 0.6 V, Sine Wave, Single-Ended Drive ADL5519 2.0 1.0 0 –1.0 –2 ...
Page 14
... ADL5519 2.0 OUTP OUTN 1.5 N 1.0 0.5 0 –60 –50 –40 –30 –20 P (dBm) IN Figure 21. OUTP, OUTN Gain Error and Voltage vs. Input Amplitude at 2.2 GHz, Typical Device, ADJA, ADJB = 0.48 V, 0.6 V, Sine Wave, Single-Ended Drive −30 dBm, Channel A Swept INHB 2.0 1.5 1 ...
Page 15
... GHz, Typical Device, ADJA, ADJB = 0.58 V, 0.7 V, Sine Wave, Single-Ended Drive −30 dBm, Channel A Swept INHB 0 –60 –50 –40 –30 –20 –10 P (dBm) IN Sine Wave, Single-Ended Drive −30 dBm, Channel A Swept INHB ADL5519 0 10 2.0 1.5 1.0 0 –0.5 –1.0 –1.5 –2 2.0 1.5 1 ...
Page 16
... ADL5519 2.00 1.75 1.50 1.25 1.00 0.75 0.50 0.25 0 –60 –50 –40 –30 –20 P (dBm) IN Figure 33. OUTA, OUTB Voltage and Log Conformance vs. Input Amplitude at 8 GHz, Typical Device, ADJA, ADJB = 0.72 V, 0.82 V, Sine Wave, Single-Ended Drive 2.0 1.5 1.0 0.5 0 –0.5 – ...
Page 17
... Figure 43. Noise Spectral Density of OUTP, OUTN; CLPA, CLPB = 0.1 μF, 10µ 1µ 100n 10n Figure 44. Noise Spectral Density of OUTA, OUTB; CLPA, CLPB = 0.1 μF, Rev Page ADL5519 INHA = 0dBm INHA = –40dBm INHB = 0dBm INHB = –40dBm INHA = –20dBm INHA = OFF INHB = –20dBm INHB = OFF 10k 100k ...
Page 18
... ADL5519 2.00 1.75 1.50 INHA, INHB = –40dBm 1.25 INHA, INHB = –30dBm 1.00 INHA, INHB = –20dBm 0.75 INHA, INHB = –10dBm 0.50 0.25 TIME (ns) Figure 45. Output Response to RF Burst Input for Various RF Input Levels, Carrier Frequency = 900 MHz, CLPA = Open 2.0 1.8 1.6 INHA, INHB = – ...
Page 19
... GHz bandwidth or a noise power of −66 dBm (re: 50 Ω). This noise spectral density sets the lower limit of the dynamic range. However, the low end accuracy of the ADL5519 is enhanced by specially shaping the demodulating transfer characteristic to partially compensate for errors due to internal noise. The common pins provide a quality, low impedance connection to the printed circuit board (PCB) ground ...
Page 20
... ADL5519 USING THE ADL5519 BASIC CONNECTIONS The ADL5519 is specified for operation GHz result, low impedance supply pins with adequate isolation between functions are essential. A power supply voltage between 3.3 V and 5.5 V should be applied to VPSA, VPSB, and VPSR. Power supply decoupling capacitors of 100 pF and 0.1 μF should be connected close to these power supply pins (see Figure 53) ...
Page 21
... OUTP ADL5519ACPZ EXPOSED PADDLE OUTN FBKB OUTB NC ADJB VREF VLVL CLPB VSTB C10 100pF C5 0.1µF ADJB VREF VLVL Rev Page ADL5519 OUTPUT VOLTAGE B 16 SETPOINT 15 VOLTAGE DIFF OUT+ DIFF OUT– OUTPUT 10 VOLTAGE B 9 SETPOINT VOLTAGE B VPOS VPSA VPSB VPSR ...
Page 22
... An equivalent internal resistance is connected from VREF to COMR for 3 mA sink capability. POWER-DOWN INTERFACE The operating and stand-by currents for the ADL5519 at 27°C are approximately 60 mA and less than 1 mA, respectively. To completely power down the ADL5519, the PWDN and ADJA, ADJB pins must be pulled within 200 mV of the supply voltage ...
Page 23
... ADL5519. FBKA 14 Pulse response of the ADL5519 is 6 ns/8 ns rise/fall times. For the fastest response time, the capacitance on OUTA, OUTB should 13 OUTP be kept to a minimum. Any capacitance on the output pins should ...
Page 24
... ADL5519 DEVICE CALIBRATION The measured transfer function of the ADL5519 at 2.2 GHz is shown in Figure 60. The figure shows plots of both output voltage vs. input power and calculated error vs. input power. As the input power varies from −60 dBm to −5 dBm, the output voltage varies from 1 about 0.5 V. ...
Page 25
... TEMPERATURE COMPENSATION ADJUSTMENT The ADL5519 temperature performance has been optimized to ensure that the output voltage has minimum temperature drift at −10 dBm input power. The applied voltage for the ADJA and ADJB pins for some specified frequencies is listed in Table 4. ...
Page 26
... When isolation is a concern useful to adjust the input power so the lowest expected detectable power is not far from the lowest detectable power of the ADL5519 at the frequency of operation. The lowest detectable power point of the ADL5519 has little variation from part to part ...
Page 27
... OUTA, OUTB typical device performance, but the ADL5519 can provide CLPA, CLPB measurement range with less than linearity error. C FLT Implementing an impedance match for frequencies greater than 8 GHz can improve the sensitivity of the ADL5519 and its measure- ment range. 2.00 − ) (12 ...
Page 28
... OUTA, OUTB to VSTA, VSTB, respectively. The part has an offset voltage, a negative slope, and OUTA, cept at the high end of its input signal range. The output voltage vs. input signal voltage of the ADL5519 is linear-in-dB over a multidecade range. The equation for this function is of the following form × V × ...
Page 29
... OUTN = 2 × VLVL − OUTA Equation 18 to Equation 23 are valid when Channel A is driven and Channel B is slaved through a feedback loop. When Channel B is driven and Channel A is slaved, these equations can be altered by changing OUTB to OUTA and OUTN to OUTP. Rev Page ADL5519 (21) (22) (23) ...
Page 30
... ADL5519 AUTOMATIC GAIN CONTROL Figure 67 shows how the ADL5519 can be connected to provide automatic gain control to an amplifier or signal chain. Additional pins are omitted for clarity. In this configuration, both detectors are connected in measurement mode with appropriate filtering being used on CLPA, CLPB to provide adequate filtering of the demodulated log output ...
Page 31
... INLB CHANNEL B 50Ω INHB LOG DETECTOR 0.1µF Figure 67. Operation in Controller Mode for Automatic Gain Control VGA/VVA CLPA VSTA OUTA C INT FBKA OUTP DIFF OUT + OUTN FBKB OUTB VSTB VLVL CLPB Rev Page ADL5519 DIRECTIONAL OR POWER SPLITTER ATTENUATOR ...
Page 32
... In controller mode, the ADL5519 can be used to hold the receiver gain constant over a broad input power/temperature range. In this application, the difference outputs are used to hold the receiver gain constant ...
Page 33
... C3 47NF 47NF VPSA ADJA ADL5519 VPSR EXPOSED PADDLE TEMP CLPA VSTA 100 PF DIFF OUT– Figure 69. Gain-Stable Receiver Circuit Rev Page ADL5519 IFOUT 0Ω 0Ω 80MHz 454Ω 19dB COUPLING C1 R31 52.3 47NF C12 C7 100PF 0.1UF 0. C15 C8 0.1UF 19 100PF 0.1 UF TEMPERATURE ...
Page 34
... ADL5519 can accurately measure reflection coefficients from 0 dB (short, open, or load) to −20 dB. Each ADL5519 detector has a nominal input range from −5 dBm to −55 dBm. In this example, the maximum forward power of +50 dBm is attenuated to −10 dBm at the detector input (this attenuation is achieved through the combined coupling factor of the directional coupler and the subsequent attenuation) ...
Page 35
... LOG DETECTOR 52.3Ω –10dBm TO IN –40dBm CHANNEL B LOG DETECTOR 0.1µF INHB 52.3Ω –5dBm TO IN –55dBm Figure 71. ADL5519 Configuration for Measuring Reflection Coefficients VSTA TEMP OUTA FBKA RETURN LOSS OUTP OUTA OUTB OUTN FBKB OUTB BIAS VSTB Rev Page ...
Page 36
... Power Supply Decoupling. R25, R26, C7, C8, The nominal supply decoupling consists of a 100 pF filter capacitor placed C11, C12, C15, C16 physically close to the ADL5519 and a 0.1 μF capacitor placed nearer to each power supply input pin. R1, R2, R9, R10 Output Interface, Difference. R9 and R10 can be replaced with a capacitor to form an integrator for constant ...
Page 37
... EVALUATION BOARD SCHEMATIC AND ARTWORK SMASMT SMASMT PWDN SMASMT R0603 R0603 INHA INLA OUTA FBKA PWDN OUTP COMR OUTN FBKB INLB OUTB INHB R0603 R0603 Figure 72. Evaluation Board Schematic Rev Page ADL5519 06198-068 OUTA R0603 SMASMT SMASMT OUTP OUTN SMASMT R0603 OUTB SMASMT ...
Page 38
... ADL5519 Figure 73. Top Side Layout Figure 74. Top Side Silkscreen Figure 75. Bottom Side Layout Figure 76. Bottom Side Silkscreen Rev Page ...
Page 39
... SEATING PLANE ORDERING GUIDE Model Temperature Range 1 ADL5519ACPZ-R7 −40°C to +125°C 1 ADL5519ACPZ-R2 −40°C to +125° ADL5519ACPZ-WP −40°C to +125°C ADL5519-EVALZ RoHS Compliant Part waffle pack. 5.00 BSC SQ 0.60 MAX 24 0.50 TOP BSC 4.75 VIEW BSC SQ 0. ...
Page 40
... ADL5519 NOTES ©2008–2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D06198-0-4/09(A) Rev Page ...