SLPU010 September   2022 JFE2140

 

  1.   Abstract
  2.   Trademarks
  3. 1Overview
    1. 1.1 JFE2140 Overview
    2. 1.2 JFE2140EVM Overview
      1. 1.2.1 Kit Contents
    3. 1.3 Related Documentation
    4. 1.4 Evaluation Module Limitations
    5. 1.5 Electrostatic Discharge Caution
  4. 2Getting Started
    1. 2.1 Power Supplies
    2. 2.2 Input
    3. 2.3 Output
    4. 2.4 Capacitors
  5. 3Application Circuit
    1. 3.1 Ultra-Low-Noise Preamplifier
  6. 4Schematic, PCB Layout, and Bill of Materials
    1. 4.1 Schematic
    2. 4.2 PCB Layout
    3. 4.3 Bill of Materials

4.3 Bill of Materials

The Table 4-1 lists the complete bill of materials for the JFE2140EVM. Data for each component are available from the corresponding manufacturer web site.

Table 4-1 JFE2140EVM BOM
DesignatorQuantityValueDescriptionPartNumberManufacturer
C1, C2 2 100 µF CAP, AL, 100 uF, 50 V, +/- 20%, 0.17 ohm, TH 50YXJ100MT78X11.5 Rubycon
C3, C14 2 10 µF Cap Aluminum 10 uF 50 V 20 % (6.3 X 11.2 mm) Radial 2.5 mm 50 mA 2000 hr 85 C Bulk ECE-A1HN100U Panasonic
C10, C11, C12, C13 4 0.1 µF CAP, CERM, 0.1 uF, 50 V, +/- 10 %, X7R, AEC-Q200 Grade 0, 0805 C0805C104K5RACAUTO Kemet
H1, H2, H3, H4 4 Machine Screw, Round, #4-40 x 1/4, Nylon, Philips panhead NY PMS 440 0025 PH B&F Fastener Supply
H5, H6, H7, H8 4 Standoff, Hex, 0.5"L #4-40 Nylon 1902C Keystone
J1, J3, J4, J7, J9, J11 6 Standard Banana Jack, Uninsulated, 5.5mm 575-4 Keystone
J2, J8 2 Connector, End launch SMA, 50 ohm, SMT 142-0701-801 Cinch Connectivity
J12 1 Receptacle, 160 mil, 3 Position, R/A, TH PQG3FRA112 Switchcraft
J13 1 Receptacle, Male, 3 Position, R/A, TH PQG3MRA112 Switchcraft
L1, L2 2 100 µH Wire Wound Ferrite Inductor for Power Lines 100 μH ±10 % 15.6 Ohm 80 mA 1206 LQH31CN101K03L Murata
Q1 1 Ultra-Low Noise, Matched, Dual, Low-Gate Current, Discrete, Audio, N‑Channel JFET, SOIC8 JFE2140DR Texas Instruments
Q2 1 N-Channel 100 V 170 mA (Ta) 360 mW (Ta) Surface Mount SOT-23-3 BSS123L onsemi
R1, R2, R22 3 2.49 kΩ RES, 2.49 k, 0.1%, 0.125 W, 0805 RT0805BRD072K49L Yageo America
R3 1 49.9 Ω RES, 49.9, 1%, 0.25 W, AEC-Q200 Grade 0, 0805 RNCP0805FTD49R9 Stackpole Electronics Inc
R7, R10, R12, R16, R17, R21, R23, R27, R29, R30 10 0 Ω 0 Ohms Jumper 0.5W, 1/2W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Metal Foil HCJ0805ZT0R00 Stackpole
R13 1 1.00 MΩ RES, 1.00 M, 0.1%, 0.125 W, AEC-Q200 Grade 0, 0805 ERA-6AEB105V Panasonic
R15 1 10.0 Ω RES, 10.0, 0.1%, 0.1 W, 0805 CRT0805-BY-10R0ELF Bourns
R19 1 10.0 kΩ RES, 10.0 k, 0.1%, 0.125 W, 0805 RT0805BRD0710KL Yageo America
R25 1 1.00 kΩ RES, 1.00 k, 0.1%, 0.25 W, 0805 RP73PF2A1K0BTDF TE Connectivity
R32, R34 2 0 Ω RES SMD 0 OHM JUMPER 1/8W 0805 RC0805FR-070RL Yageo
R37 1 10.0 kΩ RES, 10.0 k, 0.1%, 0.125 W, 0805 RG2012P-103-B-T5 Susumu Co Ltd
TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10, TP11, TP12, TP13, TP14, TP15, TP16, TP17, TP18, TP21, TP22 20 Test Point, Multipurpose, Black, TH 5011 Keystone Electronics
U1, U2 2 General Purpose Amplifier 1 Circuit Rail-to-Rail 8-SOIC OPA202ID Texas Instruments
C4 0 10 µF Cap Aluminum 10 uF 50 V 20 % (6.3 X 11.2mm) Radial 2.5 mm 50 mA 2000 hr 85 C Bulk ECE-A1HN100U Panasonic
C5, C15, C16 0 560 pF CAP, CERM, 560 pF, 50 V, +/- 10%, X7R, 0805 08055C561KAT2A AVX
C6, C7 0 100 µF CAP, Tantalum Polymer, 100 uF, 20 V, +/- 20%, 0.055 ohm, 7.3x4.3mm SMD 20TQC100MYF Panasonic
C8, C9, C17, C18 0 0.1 µF CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 0, 0805 C0805C104K5RACAUTO Kemet
FID1, FID2, FID3 0 Fiducial mark. There is nothing to buy or mount. N/A N/A
R4, R5 0 350 Ω Res Metal Foil 350 Ohm 0.01% 3/5W ±2ppm/°C Molded RDL Thru-Hole Bulk Y0007350R000T9L Vishay
R6 0 348 Ω 348 Ohms ±0.1% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thin Film ERA-6AEB3480V Panasonic Electronic Components
R8 0 10.0 kΩ RES, 10.0 k, 0.1%, 0.125 W, 0805 RT0805BRD0710KL Yageo America
R9, R11 0 10 kΩ Res Metal Foil 10K Ohm 0.01% 0.6W Molded RDL Bulk Y078510K0000T9L Vishay
R14 0 1.00 MΩ RES, 1.00 M, 0.1%, 0.125 W, AEC-Q200 Grade 0, 0805 ERA-6AEB105V Panasonic
R18, R20, R26, R28, R40, R41, R43, R44, R45 0 0 Ω 0 Ohms Jumper 0.5W, 1/2W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Metal Foil HCJ0805ZT0R00 Stackpole
R24, R38 0 10 Ω Res Metal Foil 10 Ohm 0.05% 3/5W ±2ppm/°C Molded RDL Thru-Hole Bulk Y000710R0000A9L Vishay
R31, R33 0 0 Ω RES SMD 0 OHM JUMPER 1/8W 0805 RC0805FR-070RL Yageo
R35, R36 0 500 Ω 500 Ohms ±0.01% 0.6W Through Hole Resistor Radial Moisture Resistant, Non-Inductive Metal Foil Y0785500R000T9L Vishay
R39, R42 0 1.00 kΩ RES, 1.00 k, 0.1%, 0.25 W, 0805 RP73PF2A1K0BTDF TE Connectivity
R46 0 1.00 MΩ RES, 1.00 M, 0.1%, 0.063 W, 0603 CPF0603B1M0E1 TE Connectivity
TP19, TP20, TP23 0 Test Point, Multipurpose, Black, TH 5011 Keystone Electronics
U3 0 5.5 MHz, High Slew Rate, Low-Noise, Low-power, RRO Precision JFET Operational Amplifier, D0008A (SOIC-8) OPA145IDR Texas Instruments