PD09-73LF

DATA SHEET SMS7621-060: Surface-Mount, 0201 Low-Barrier Silicon Schottky Diode Applications  Sensitive detector circuits  Sampling circuits  Mixer circuits Features  Low barrier height  Suitable for use above 26 GHz  Low parasitic impedance: CP < 0.05 pF, LS < 0.2 nH  Low profile, ultra-miniature 0201 SMT package (MSL1, 260 C per JEDEC J-STD-020) Skyworks GreenTM products are compliant with all applicable legislation and are halogen-free. For additional information, refer to Skyworks Definition of GreenTM, document number SQ04–0074. Description The SMS7621-060 is a silicon, low-barrier N-type Schottky diode with an ultra-miniature 0201 footprint. This diode can be used in detector circuits, sampling circuits, and mixer circuits. The low series resistance of this low-barrier diode enables good performance as a low-level mixer at frequencies up to 26 GHz and higher. A pinout diagram for the SMS7621-060 is shown in Figure 1. Bottom View Top View Y1951 Figure 1. SMS7621-060 Pinout Diagram Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 201294G • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 26, 2019 1 DATA SHEET • SMS7621-060: SURFACE-MOUNT, 0201 LOW-BARRIER SILICON SCHOTTKY DIODE Mixer and Detector Applications 24 GHz Detector Design 24 GHz Rat-Race Mixer A detector circuit that incorporates an SMS7621-060 Schottky diode and covers the 24 GHz band is shown in Figure 2. The RF arrives on a 50 Ω microstrip line from the left and is shorted to GND by a 90 degree line with a stub (GND arrives by a via). A rat-race mixer that uses two SMS7621-060 Schottky diodes is shown in Figure 4. The LO signal (24 GHz) is fed from the right side and reaches a rat-race ring. The diodes are positioned 90 degrees apart from the LO input and are terminated in a stub. The cathode of the diode is directly connected to a 24 GHz stub. This output is loaded by a 100 kΩ resistor and a 100 pF capacitor. The output voltage is fed to a 2-pin, 2.54 mm header. Both diodes are connected (using a 1206 resistor) and are loaded by a 470 Ω resistor and a 10 pF capacitor. This forms the IF output (10 MHz). The RF input (24.010 GHz) is directly connected to the rat-race ring. A layout design is illustrated in Figure 5. The circuit was built on a 0.254 mm Rogers RO-4350B substrate and measured with a power-variable 24 GHz source. A layout design is illustrated in Figure 3. Input power versus detected voltage for this detector is shown in Figure 8. The mixer has been tested with the following conditions: LO frequency: LO power: RF frequency: RF power: 24 GHz 0 to +5 dBm 24.010 GHz –30 dBm The IF output was loaded with 50 Ω. Measured conversion loss data for this mixer is shown in Figure 9. λ/4 RF Input λ/4 SMS7621-060 λ/4 3λ/4 LO Input λ/4 λ/4 SMS7621-060 IF Out λ/4 Figure 2. Schematic of a 24 GHz Detector Design 100 kΩ 100 pF Figure 4. Schematic of a 24 GHz Rat-Race Mixer Figure 5. Layout for a 24 GHz Rat-Race Mixer Figure 3. Layout for a 24 GHz Detector Design Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 2 July 26, 2019 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201294G DATA SHEET • SMS7621-060: SURFACE-MOUNT, 0201 LOW-BARRIER SILICON SCHOTTKY DIODE Electrical and Mechanical Specifications Package and Handling Information The absolute maximum ratings of the SMS7621-060 are provided in Table 1. Electrical specifications are provided in Table 2. The associated SPICE model parameters are provided in Table 3. Instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. Otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. Typical performance characteristics are shown in Figures 6 through 9. The SMS7621-060 is rated to Moisture Sensitivity Level 1 (MSL1) at 260 C. It can be used for lead or lead-free soldering. For additional information, refer to the Skyworks Application Note, Solder Reflow Information, document number 200164. Package Dimensions The PCB layout footprint for the SMS7621-060 is provided in Figure 10. Package dimensions are shown in Figure 11, and tape and reel dimensions are provided in Figure 12. Care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. Production quantities of this product are shipped in a standard tape and reel format. Table 1. SMS7621-060 Series Absolute Maximum Ratings (Note 1) Parameter Symbol Minimum Maximum Units V Reverse voltage VR 2 Forward current IF 50 mA Power dissipation PD 75 mW Storage temperature TSTG –65 +200 C Operating temperature TA –65 +150 C Electrostatic discharge: ESD 1000 100 30 V V V Charged Device Model (CDM), Class 4 Human Body Model (HBM), Class 0 Machine Model (MM), Class A 1 Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device. ESD HANDLING: Although this device is designed to be as robust as possible, electrostatic discharge (ESD) can damage this device. This device must be protected at all times from ESD when handling or transporting. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD handling precautions should be used at all times. Table 2. SMS7621-060 Electrical Specifications1 (TA = +25 C, Unless Otherwise Noted) Minimum Breakdown Voltage @ IR = 10 μA (V) Maximum Total Capacitance @ VR = 0 V, f = 1 MHz (pF) Forward Voltage @ IF = 1 mA (mV) Maximum Series Resistance (Ω) 2 0.18 260 to 320 12 1 Performance is guaranteed only under the conditions listed in this table. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 201294G • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 26, 2019 3 DATA SHEET • SMS7621-060: SURFACE-MOUNT, 0201 LOW-BARRIER SILICON SCHOTTKY DIODE Table 3. SPICE Model Parameters Parameter Units SMS7621-060 IS A 2.6459E-8 RS Ω 10.3 N – 1.01 TT sec 1E-11 CJO pF 0.13 M – 0.35 EG eV 0.69 XTI – 2 FC – 0.5 BV V 3 IBV A 1E-5 VJ V 0.51 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 4 July 26, 2019 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201294G DATA SHEET • SMS7621-060: SURFACE-MOUNT, 0201 LOW-BARRIER SILICON SCHOTTKY DIODE Typical Performance Characteristics @ 25 °C 0.50 10000 0.45 1000 Detected Voltage (mV) Forward Voltage (V) 0.40 0.35 0.30 0.25 0.20 0.15 0.10 100 10 1 0.1 IF = 0 IF = 5 μA 0.01 0.001 0.05 0 0.0001 0 2 4 6 8 10 –60 –50 Forward Bias Current (mA) –20 –10 0 +10 Figure 7. Detector Voltage @ 2.45 GHz (100 kΩ Video Resistance) 10000 16 1000 Conversion Loss (dB) Output Voltage (mV) –30 Incident Power (dBm) Figure 6. Forward Voltage vs Forward Current 100 10 1 –30 –40 –20 –10 0 Input Power (dBm) Figure 8. Output Voltage vs Input Power +10 14 12 10 8 6 0 +1 +2 +3 +4 +5 LO Power (dBm) Figure 9. Conversion Loss vs LO Power Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 201294G • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 26, 2019 5 DATA SHEET • SMS7621-060: SURFACE-MOUNT, 0201 LOW-BARRIER SILICON SCHOTTKY DIODE 0.200 0.280 0.400 PCB Pad Metallization 0.300 Device Outline 0.100 0.380 PCB Solder Mask Opening 0.200 0.250 0.300 Device Outline Stencil Aperture S2030 All measurements are in millimeters Figure 10. SMS7621-060 PCB Layout Footprint 0.0236 ± 0.001 (0.600 ± 0.025 mm) 0.0118 ± 0.001 (0.300 ± 0.025 mm) Cathode Terminal (N-Type Device) 0.0089 ± 0.001 (0.226 ± 0.025 mm) 0.0077 ± 0.001 (0.196 ± 0.025 mm) 0.0065 ± 0.001 (0.165 ± 0.025 mm) N-Type 0.0007 ± 0.0002 (0.0175 ± 0.005 mm) 0.0107 ± 0.001 (0.273 ± 0.030 mm) Cathode Indicator Must Match Cathode Terminal On The Front Side S1998 Figure 11. SMS7621-060 Package Dimension Drawing Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 6 July 26, 2019 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201294G DATA SHEET • SMS7621-060: SURFACE-MOUNT, 0201 LOW-BARRIER SILICON SCHOTTKY DIODE ∅1.50 +0.1/–0.0 4.00 ± 0.01 2.00 ± 0.05 A 3.50 ± 0.05 8.00 +0.3/–0.1 1.75 ± 0.10 C 2.00 ± 0.05 B A ∅0.20 ± 0.05 B 0.20 ± 0.05 Cathode Indicator 0.38 ± 0.05 (Ao) 0.70 ± 0.05 (Bo) B Notes: 1. Carrier tape: black conductive polycarbonate bakeable material at 125 °C. 2. Cover tape: transparent conductive material. 3. Cover tape size: 5.4 mm width. 4. ESD surface resistivity meets requirements of GP01-D232. 5. All measurements are in millimeters. C Scale: 5X 0.35 ± 0.05 (Ko) A S2000 Figure 12. SMS7621-060 Tape and Reel Dimensions Copyright © 2010, 2012, 2015, 2019 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. Skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. 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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 201294G • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 26, 2019 7