PS052

DS21817B-page 8

 2004 Microchip Technology Inc.

R46-R50

Resistor, film, 0805, 0.5%, 200 kOhms, 25 ppm TC

Susumu

RR1220P-204-D

5

R36-R37

Resistor, film, 2512, 5%, 330 ohms

Panasonic

ERJ-1TYJ331U

2

R1

Resistor, metal strip, 20 milliohms, 1%, 5W,

925 mil L x 330 mil D axial package

Vishay

Ohmite

LVR-5-0.020OHMS-1%

15FR020

1

R3

Resistor, metal strip, 100 milliohms, 5%, 5W,

925 mil L x 330mil D axial package

Huntington Elec.

ALSR-5-.10

1

RST

Switch, SPST momentary tact, surface mount,

6 mm square, 4.3 mm high, 260 g-force

E-Switch

TL3301NF260QG

1

U11, U12

IC, operational amplifier, precision low-voltage/micropower,

quad, SO-14, -40°C to +85°C

Microchip

MCP609-I/SL

2

U10

IC, instrumentation amplifier, SO-8, -40°C to +85°C

Analog Devices

AD620AR

1

U15

IC, dual operational amplifier, SO-8

National Semi.

Fairchild Semi.

LM2904M

LM2904M

1

U7

IC, dual low-voltage operational amplifier, SO-8

Microchip

MCP6022-I/SN

1

U13

IC, Linear Temperature Sensor, TO-92, -40°C to +110°C

National

Semiconductor

LM35CAZ

1

U2

IC, Microcontroller, 24 MHz, with USB Interface,

28-pin/300 mil DIP, -40°C to +85°C

Microchip

PIC16C745-I/SP

1

U1

IC, Microcontroller, 20 MHz, 40-pin DIP, 0°C to +70°C

Microchip

PIC16F877-20/P

1

U9

IC, Quad 2-input NAND gate, VHCMOS, SO-14,

-40°C to +85°C

Toshiba

TC74VHC00FN

1

U4

IC, quad buffer with tri-state outputs, VHCMOS, SO-14,

-40°C to +85°C

Toshiba

TC74VHC125FN

1

U3

IC, RS-232 transceiver, SO-16, 0°C to +70°C

National

Semiconductor

DS14C232CM

1

U8

IC, D/A converter, 16-bit, serial input, SO-16, 0°C to +70°C Linear Technology LTC1650CS

1

U6

IC, Analog multiplexer, 8-channel, single-ended, SO-16,

-40°C to +85°C

Analog Devices

ADG608BR

1

U5

IC, A/D converter, 16-bit, serial-output, 7.5 mm wide

SO-20, -40°C to +85°C

Analog Devices

AD977AR

1

U14

0°C to +70°C

Microchip

TC1121COA

1

U16

IC, Linear Voltage Regulator, 5V, 500 mA, TO-252,

0°C to +125°C

National

Semiconductor

LM78M05CDT

1

Y1

Crystal, 20.0000 MHz, 18 pF load capacitance,

surface-mount.

Citizen

CM309S20.000MABJTR

1

Y2

Crystal, 6.0000 MHz, 18 pF load capacitance,

surface-mount.

Citizen

CM309S6.000MABJTR

1

TABLE 3-1:

PS052 BILL OF MATERIALS (CONTINUED)

Symbols

Description

Manufacturer

Manufacturer PN

Qty

Note

1:

See schematic for jumper configuration details.

2:

The header used for ADR is a break-apart component – one 2 x 36 header can be broken apart to provide up to 12 of the

2 x 3 headers used for ADR.

3:

The following components are left open: C1-C8, C29, EXP1, EXP2, R16, R17, R18, R70.