UG-138 Datasheet, PDF (12/16 Pages) Analog Devices – Evaluating the ADT7320/ADT7420 Temperature Sensors

UG-138
Evaluation Board User Guide
ORDERING INFORMATION
BILL OF MATERIALS
Table 1.Component Listing—Main Board
Qty. Reference Designator
Description
2 C1, C2
50 V NPO SMD ceramic capacitor
1 C3
10 V SMD tantalum capacitor
1 C4
10 V SMD tantalum capacitor
14 C5, C6, C7, C8, C9, C10, C12, C13, 16 V X7R multilayer ceramic capacitor
C14, C15, C16, C18, C19, C20
3 C11, C21, C22
10 V SMD tantalum capacitor
1 C17
10 V dc Y5V ceramic capacitor
1 D1
Green LED
2 D2, D3
Red LED
1 J1
USB mini-B connector
1 J2
10-pin terminal block
2 Q1, Q2
Low power bipolar transistor
1 R1
SMD resistor
1 R2
SMD resistor
2 R3, R6
SMD resistor
2 R4, R5
SMD resistor
3 R7, R11, R13
SMD resistor
6 R8, R9, R10, R12, R14, R15
SMD resistor
1 U1
Temperature sensor IC
1 U2
Temperature sensor IC
1 U3
64 kB I²C serial EEPROM
1 U4
Precision low dropout voltage regulator
1 U5
Dual SPDT switch
1 U6
USB microcontroller
1 Y1
SMD crystal
Value
22 pF
47 μF
2.2 μF
0.1 μF
10 μF
1 μF
VLMP31G2J1
VLMS31J1K2
54819-0579
N/A
BC807
0Ω
10 kΩ
100 kΩ
2.2 kΩ
270 Ω
10 kΩ
ADT7320UPCZ
ADT7420UPCZ
24LC64
ADP3303ARZ-3.3
ADG787BRMZ
CY7C6813-56LFC
24 MHz
Supplier/Ordering No.
Farnell 722005
Farnell 1432591
Farnell 498646
Farnell 1216538
Farnell 197130
Farnell 3188840
Farnell 1328320
Farnell 1328350
Digi-Key WM17116CT-ND
Farnell 9632179
Farnell 1081222
Farnell 772227
Farnell 9330399
Farnell 911471
Farnell 196319
Farnell 9331964
Farnell 911355
Analog Devices ADT7320UPCZ
Analog Devices ADT7420UPCZ
Digi-Key 24LC64-I/SN-ND
Analog Devices ADP3303ARZ-3.3
Analog Devices ADG787BRMZ
Embassy CY7C68013-56LFC
Farnell 9509658
Table 2. Component Listing—External Board
Qty.
Reference Designator Description
2
C1, C3
16 V X7R multilayer ceramic capacitor
2
C2, C4
10 V SMD tantalum capacitor
2
D1, D2
Green LED
4
R1, R2, R4, R5
SMD resistor
2
R3, R6
SMD resistor
1
U1
Temperature sensor IC
1
U2
Temperature sensor IC
Value
0.1 μF
10 μF
VLMP31G2J1
10 kΩ
270 Ω
ADT7320UPCZ
ADT7420UPCZ
Supplier/Ordering number
Farnell 1216538
Farnell 197130
Farnell 1328320
Farnell 9330399
Farnell 9331964
Analog Devices ADT7320UPCZ
Analog Devices ADT7420UPCZ
RELATED LINKS
Resource
ADT7320
ADT7420
Description
Product Page, ±0.25°C Accurate, 16-Bit Digital SPI Temperature Sensor
Product Page, ±0.25°C Accurate, 16-Bit Digital I²C Temperature Sensor
Rev. 0 | Page 12 of 16