APPLICATION NOTE REPLACEMENT PART REFERENCE GUIDE, DAT-31-SP+: ORIGINAL PART: REPLACEMENT PART: AN-70-011 DAT-31-SP+ DAT-31A-SP+ Replacement Part has been judged by Mini-Circuits Engineering as a suitable replacement to Original Parta MECHANICAL DIMENSIONS & PCB LAND PATTERN ORIGINAL PART: DAT-31-SP+ REPLACEMENT PART: DAT-31A-SP+ Case Style: DG983-1 Case Style: DG983-2 (minor dimensional changes as below) inches (mm) Inches (mm) C E F G .035 .081 .081 .010 (0.90) (2.06) (2.06) (0.25) C E F G .033 .085 .085 .009 (0.85) (2.15) (2.15) (0.23) Note: Dimensions not shown are same as that in DG983-1 Suggested PCB Land Pattern K L M N P Q R .020 .177 .177 .081 .010 .032 .081 (0.50) (4.50) (4.50) (2.06) (0.25) (0.81) (2.06) Notes: a. Suitability for model replacement within a particular system must be determined by and is solely the responsibility of the customer based on, among other things, electrical performance criteria, stimulus conditions, application, compatibility with other components and environmental conditions and stresses. AN-70-011 Rev : OR (12/29/14) M149445 File: AN70011.doc This document and its contents are the property of Mini-Circuits. Sheet 1 of 4 APPLICATION NOTE CONCLUSION: 1) FORM-FIT-FUNCTIONAL COMPATIBLE: Replacement part is Form, Fit compatible.Following is a summary of changes/improvements: Parameter DAT-31-SP+ (Original Part) Frequency (GHz) V DD(V) DAT-31A-SP+ (Replacement Part) DC-2.4 DC-4 +2.7 to +3.3 +2.3 to +3.6, usable to +5.2V DD to VDD DD Control input High (V) 0.7V Control input Low (V) 0 to 0.3V -0.3 to +0.6 100 µA max. 200 µA max. I DD (µA) +1.17 to +3.6 During turn-on and transition between attenuation states, device may draw up to 2mA. Control Current (µA) 1 max 1 max, except 30μA typ for C16 & 2μA typ. for LE at +3.6V Attenuation Step Freq accuracy (dB) (GHz) 8 16 Spec max Spec max 0.5 1-2.4 0.25 2.4-4 Not Specified 0.8 1-2.4 0.3 0.7 2.4-4 Not Specified 1.45 1.5 max 1.6 Max VSWR (:1) (1-2.4 GHz) Operating Temperature (°C) -40 to 85 -40 to 105 Storage Temperature(°C) -55 to 100 -65 to 150 ESD (HBM) Pass 500V Pass 1500V Max Operating Power Not Specified From 10 kHz to 50 MHz per Figure 1 (in Model Data Sheet) and +24 dBm above 50 MHz Absolute Max input Power +24 +30 (dBm) Notes: a. Suitability for model replacement within a particular system must be determined by and is solely the responsibility of the customer based on, among other things, electrical performance criteria, stimulus conditions, application, compatibility with other components and environmental conditions and stresses. AN-70-011 Rev : OR (12/29/14) M149445 File: AN70011.doc This document and its contents are the property of Mini-Circuits. Sheet 2 of 4 APPLICATION NOTE 2) Typical Performance Comparisona Parameter I.Loss(dB) Step Accuracy 1.0 dB Step (dB) Step Accuracy 2.0 dB Step (dB) Step Accuracy 4.0 dB Step (dB) Step Accuracy 8.0 dB Step (dB) Step Accuracy 16 dB Step (dB) Input R.Loss (dB) Output R.Loss (dB) Frequency (GHz) 0.01 to 1 1 to 2.4 2.4 to 4 0.01 to 1 1 to 2.4 2.4 to 4 0.01 to 1 1 to 2.4 2.4 to 4 0.01 to 1 1 to 2.4 2.4 to 4 0.01 to 1 1 to 2.4 2.4 to 4 0.01 to 1 1 to 2.4 2.4 to 4 0.01 to 1 1 to 2.4 2.2 to 4 0.01 to 1 1 to 2.4 2.2 to 4 DAT-31-SP+ (Original Part) DAT-31A-SP+ (Replacement Part) Average 1.39 1.75 2.97 0.00 0.01 0.02 0.03 0.08 0.12 0.04 0.06 0.02 0.04 0.04 0.07 0.03 0.03 0.06 17.3 19.6 18.2 17.7 19.7 20.7 Average 1.20 1.46 2.16 0.03 0.04 0.04 0.03 0.05 0.07 0.03 0.07 0.10 0.02 0.13 0.37 0.06 0.23 0.43 18.2 18.5 18.2 18.7 18.7 17.8 Notes: a. Suitability for model replacement within a particular system must be determined by and is solely the responsibility of the customer based on, among other things, electrical performance criteria, stimulus conditions, application, compatibility with other components and environmental conditions and stresses. AN-70-011 Rev : OR (12/29/14) M149445 File: AN70011.doc This document and its contents are the property of Mini-Circuits. Sheet 3 of 4 APPLICATION NOTE 3) PERFORMANCE COMPARISON CURVES (TYPICAL)a: Attenuation Accuracy vs. Frequency, 1 dB Step Insertion Loss vs. Frequency (0 dB/Reference State) 5.0 DAT-31A+ (Replacement) 4.0 B d 0.1 0.0 DAT-31+ (Original) 3.0 B d-0.1 2.0 DAT-31A+ (REPLACEMENT) -0.2 1.0 0.0 DAT-31+ (ORIGINAL) -0.3 0 1000 2000 MHz 3000 4000 0 DAT-31A+ (REPLACEMENT) 0.10 B d DAT-31+ (ORIGINAL) 0.00 -0.10 -0.20 -0.20 -0.30 -0.30 0 1000 2000 3000 0 4000 1000 MHz 2000 3000 4000 MHz Attenuation Accuracy vs. Frequency, 8dB Step Attenuation Accuracy vs. Frequency, 16 dB Step 1.00 2.0 0.75 DAT-31A+ (REPLACEMENT) 1.5 DAT-31A+ (ORIGINAL) 0.50 DAT-31+ (ORIGINAL) 1.0 DAT-31+ (ORIGINAL) 0.25 B d 0.00 0.5 0.0 -0.25 -0.5 -0.50 -1.0 -0.75 -1.5 -1.00 -2.0 0 1000 2000 3000 4000 0 1000 MHz 2000 3000 4000 MHz Output Return Loss vs. Frequency (Ref. State) Input Return Loss vs. Frequency (Ref. State) 60 50 40 B d 30 20 10 0 4000 Attenuation Accuracy vs. Frequency, 4dB Step B-0.10 d B d 3000 0.20 DAT-31A+ (REPLACEMENT) DAT-31+ (ORIGINAL) 0.00 2000 MHz Attenuation Accuracy vs. Frequency, 2dB Step 0.10 1000 60 DAT-31A+ (Replacement) DAT-31+ (ORIGINAL) 50 DAT-31A+ (Replacement) DAT-31+ (ORIGINAL) 40 dB30 20 10 0 1000 2000 MHz 3000 4000 0 0 1000 2000 MHz 3000 4000 Note: DAT-31+ is same as DAT-31-SP+ and DAT-31A+is same as DAT-31A-SP+ Notes: a. Suitability for model replacement within a particular system must be determined by and is solely the responsibility of the customer based on, among other things, electrical performance criteria, stimulus conditions, application, compatibility with other components and environmental conditions and stresses. AN-70-011 Rev : OR (12/29/14) M149445 File: AN70011.doc This document and its contents are the property of Mini-Circuits. Sheet 4 of 4