Collection of interesting parts to use ----------------------------------------- (also see list of ICs on H/MDL site) (for SMT components, see end of this file) OP AMPS -------------------- (see H/MDL list) TLV2374, general purpose, rail-to-rail input/output LMC6484 better version of LM324, 15V, $2.68 digikey TL97x series, RRO, low noise (4 nV), pro audio apps INSTRUMENTATION AMPS -------------------------------------- MAX4460/4461/4462 (r-r i/o) **MAX4208/4209 INA126 (INA126P-ND, $2.39) **AD623, best specs, used for 2005 load cell see manilla folder see load cell amp file ADC --------------------------------------- ADC, 16-bit, 1-chan, SPI, 8-MSOP, digikey.com, AD7680BRMZ-ND, $9.51 see manilla folder DAC ---------------------------------------- DAC7611, 12-bit, 5V, serial, DAC7611P-Nd, $5.86 see manilla folder VOLTAGE REGULATORS -------------------- 78L05 5V, 100mA, TO-92 TL7660 voltage inverter LM340T-5, 5V, 1A, TO-220 LM7805 is discontinued by National, use LM340 LM3480 = improved part, use this 78M33, 3.3V, 500mA, Tex Inst, TO-220 78L33ACZ, 3.3V, 100mA, STM, TO-92 (mouser) LDO VOLTAGE REGULATORS ----------------- *LM2940T-5.0 5V, .5V dropout, 1A, TO-220 LP2950ACZ-33, 3.3V, 100mA, TO-92 LP2950CZ-5.0, 5.0V, 100mA, TO-92 LM2936 5V, 50mA, TO-92 (DK $2.65) *MCP1702, Microchip, 250 mA, TO-92 & SMT ZMX500C, Zertex, 5V, 50 uA quiescent, TO-92 TL750L series (use 10 uF tantalum on output) BOOST/BUCK REGULATORS --------------------- (stroke ntbk #2, files) Linear Technology LTC3525-3.3 (preferred) LTC3526 LTC3429 Maxim MAX1674/1675 (2nd choice) MAX1947 MAX848/849, MAX1709 (recommended by Tech Support, SO pkg) National LM2623 (general purpose) On Semiconductor NCP1400A (AA to 5V, see sparkfun.com) Inductors Mutata LQH32CN (DK 490-2496-1) Panasonic PCD1704CT (DK PCD740CT-ND) AA batt to 3.3V supply,bodhilabs.com,VPack3.3V AA Single, $10.95 OPTOISOLATORS ------------- 4N35, 10 KHz 6N136, 1 MHz LED --------------- w/integrated resistor, mouser 606-4302F1-5V (.49) and 606-4302F1-12V (.58) POTENTIOMETERS ---------------- Bourns 6639 precision pot, .875" dia, Mouser ETI EUP125 precision pot, .5" dia, Mouser $10 Potentiometerm 10K, bushing mount, Bourns 6639, digikey.com, 6639S-1-103-ND, $11.46 0.5" pot, ETI Systems EUP-120-10K, mouser.com, 882-EUP120-10K, $9.90 MECHANICAL ENCODERS -------------- *Grayh1ll Series 25L, panel/board mount, no switch, about $5, Digi-Key GH0371-ND Grayhill Series 62P, optical, board mount, switch, Digi-Key GH7295-ND, $4 Bournes PEC11 Series, 12 mm, 6mm shaft, panel/board mount, Mouser, $1.36 *Piher CI-11 Series, 6 mm shaft, panel/board mount, Mouser 531-CI11CTV, $4 CTS Series 299, 290* (e.g. CT3002, CT3007, Digi-Key), cheap, require pullup R. see paper file OPTICAL ENCODERS ----------------- http://www.usdigital.com/ see paper file DIGITAL POTS -------------- MCP420xx, microchip AD5200 digital pot, digikey.com see paper file WIRELESS ------------- --Sparkfun, Laipac 4800 baud modules (KLPA) WRL-07816 (315 MHZ), WRL-07815 (434 MHZ), $17 for pair --Digikey **Linx components Linx LR 315/418/433 xmt chip, TXM-xxx-LR-ND, $7.46 Linx LR 315/418/433 rcv chip, RXM-xxx-LR-ND, $13.56 Linx receiver radio module RXM-433-LR, digikey.com, RXM-433-LR-ND, $13.56 Linx transmitter radio module TXM-433-LR, digikey.com, $TXM-433-LR-ND, $7.46 Linx antenna, monopole, ANT-433-PW-LP, digikey.com, ANT-433-PW-LP-ND, $2.03 (DK has all Linx parts including antennas and connectors) --Reynolds Electronics http://www.rentron.com/remote.htm **Linx components Linx LR 315/418/433 xmt module, TXLC-xxx-LR, $20 Linx LR 315/418/433 rcv module, RXLC-xxx-LR, $29 (modules have Linx chip on a board) Linx xmt with encoder, TXE-433-KH, $10 Linx rcv with encoder, RXD-433-KH2 $16 433 MHz Whip Antenna ($9.00) 434 MHz Splatch Antenna ($2.50) **Other components TWS/RWS-434, $17 for pair (same as Sparkfun KLPA modules) --Parallax 27980/27981, Linx LR 433 MHz TX/RX modules with ant, $30/$40 --Other XBee zigbee modules from MaxStream (see N&V, 1/2007 p. 80) (see wireless demo folder in Cary Proj folder) USB UART chip (updated 6/2007) ------------------------- FT232RL (sparkfun $3.95, mouser, 895-FT232RL, $3.99) FT232BM (older, parallax) Modules from FTDI, buy from Mouser MM232R (626-DLP-MM232R) $18 UM232R (626-DLP-UM232R) $20 RS232 LEVEL CONVERTER ------------------------ DS275 (DK $5.64) MOS FET (updated 6/2007) ---------------- On Semi NTP125N02R (rds_on=3.7 mOhms) mouser.com replaces IRFZ46N (rds_on = 16.5 mOhms) and replaces IRL520N (rds_on=180 mOhms) a poor second choice: IRLU024NPbF (rds_on=65 mOhms) digikey.com ITLI2910 (26 mohms, 100V, 31A, isolated pkg) digikey $5.00 PIC CHIPS (updated 12/2007) Mouser, Digi-Key, Jameco, Sparkfun -------------------------- Preferred parts: PIC12F683 8 pin PIC16F688 14 pin PIC16F88 18 pin PIC16F690 20 pin PIC16F886 28 pin PIC16F887 40 pin PIC18F2620 28 pin, same pinout as PIC16F886 PIC18F4620 40 pin, same pinout as PIC16F887 Other parts: PIC10F200/222 6 pin (real cheap) PIC12F675 8 pin (older) PIC12F508/510 8 pin (cheap) PIC16F873A tracktrain v-1.0 PIC18F2455 usb, d-labs PIC16F88 --> mouser.com,579-PIC16F88-I/SO, 4.89 Diodes --------------------- (see Appendix G, "Practical Electronics") 1N914, signal diode, general purpose, 50 V, Vf=.8V @ 10mA 1N4148, signal diode, general purpose, 100 V, Vf=.8V @ 10 mA 1N4004, rectifier, 400 V, 1 A 1N6263, Schottky, 50 V, 50 mA, Vf=.41 @ 1mA 1N5817, Schottky, 20 V, 1A, Vf=.45V @ 1A 1N5818, Schottky, 30 V, 1A, Vf=.55V @ 1A 1N5819, Schottky, 100 V, 1A, Vf=.85V @ 1A BAT-54, Schottky, 30 V, 200 mA, Vf=.4V @ 10mA 1N4624 or 1N750A, Zener, 4.7 V, .25 W CONNECTORS ----------------------- USB female type B connector, Kobiconn,mouser.com,154-2442-E,$0.64 SWITCHES --------------------------- Ruggedized arcade switches and hardware: ww.happ.com WIRE ------------------------- 22g solid, Electronix Express, 2700122xx, 100', $4 BATTERY ------------ Renata CR1225 lithium coin cell, 3V, mouser 614-CR1225, .97 OTHER ---------- Sparkfun 1560A, Keystone swage standoffs, www.mouser.com Parallax GPS module ($79) Enclosures: Serpac H-Series w/ 9V or AA compartment, jameco.com Parallax 2x16 serial LCD, PN 27977 (or Sparkfun) http://www.frontpanelexpress.com/ Cheap DMM: Sparkfun or Electronix Express Batt holders: see Stroke #2:35 ********************************************************* ********************************************************* SURFACE MOUNT COMPONENTS ******************************************************** ******************************************************** SMT PKG SIZES ------------------ http://en.wikipedia.org/wiki/Surface-mount_technology#Package_sizes http://www.solarbotics.net/library/techniques/smt_jargon.html http://www.interfacebus.com/resistor_table.html http://www.interfacebus.com/Design_Capacitors_Size.html http://learnat.sait.ab.ca/ict/cmph200/ic.htm PACKAGES TO USE ---------------- IC: SOIC Resis, Caps: 1206 (3.2 mm long) (805 in a pinch) 3-terminal semis: SOT-223 and SOT-23 (1.9 mm pitch) 2-terminal semis: SOD-123 (LL-34 OK) SMT Resistors, Size 1206, bulk, 1/4 W, 1% ---------------------------------------------- (Jameco does not have much in this category.) Mouser, Vishay CRCW1206 series, e.g. 71-CRCW1206-10K-E3 for 10K, $0.07 Mouser, KOA RK73H series, e.g. 660-RK73H2BTTDDxxxxF xxxx=value, $0.03 Digikey, Yageo, 311-xxxxxFRCT-ND, $0.08 Resistor Arrays ------------------ Bournes series, SOIC case, Mouser p. 520. SMT resistor kit ----------------- 50 each of 72 values, 1.0 ohm to 910K ohm, Size 1206, 5%, 1/4 W, Yageo, Digi-Key PHE1A-KIT-ND, $59.95. 200 each of 56 values, 10 ohm to 1M ohm, size 1206, 1%, 1/8W, Jameco 156882 $99.99 Ceramic caps, multilayer, 1206, X7R ------------------------------------ Jameco, AVX 12065C104JAT2A, 0.1uF, 50V, 5%, Jameco 740463, $0.069. Mouser, Kemet C1206C104K5RACTU, 0.1uF, 50V, 10%, Mouser 80-C1206C104K5R, $0.07 Mouser, Xicon 0.1uF, 50V, 10%, Mouser 140-CC502B104K-RC, $0.07 Digi-Key 490-1824-1-ND, 22 uF, 6.3V, X5R, size 1206 Digi-Key 490-1810-1-ND, 1 uF, 16V, X5R, size 1206 Filter cap -------------- 22 uF, 6.3V, X5R DIODES ---------------- Fairchild MMBD4148SE, SOT-23, dual, Mouser Fairchild FDLL4148, LL-34, Mouser Fairchild FDLL914, LL-34, Mouser Fairchild MMBD914, SOT-23, Mouser Fairchild BAT54, Schottky, SOT-23, Mouser 512-BAT54 TACTILE SWITCHES ------------------------ 6mm, Mouser 101-0364 (see catalog page for options) PCB Layout ----------------- See notes with chop 2008 project Soldering ----------------- 1. Apply small mount of solder to pin 1. 2. Position SMT with tweezers 3. Remelt solder while holding SMT, which will sink into solder 4. Solder other connections 5. Remove solder bridges with solder wick http://www.youtube.com/watch?v=kAADFKkmqUg http://www.youtube.com/watch?v=B55JajzCcvE&NR=1 See sparkfun tutorials Management -------------------------- Surface mount storage kits http://www.engineeringlab.com/engineers.html http://www.engineeringlab.com/zenerdiode.html