利用内置PGA的24位Σ-Δ型ADC AD7190实现精密电子秤设计CN0102原
Component
Qty
100
Part
Description
Manufacturer
Manufacturer No
Order from
Order No
Part (€)x/$x
Part (EUR)
Kit (EUR)
PCB
1
100
2-layer FR4, solder mask, RoHS1.6x100x160mm
EVAL-AD7190EBZ Rev.C
#REF!
U1
1
100
AD7190/92
Sigma-Delta ADC, TSSOP-24
Analog Dev.
AD7190BRUZ/AD7190BRUZ
ADI
free issue
Sample1-2
2
200
AD7190/92
Sigma-Delta ADC, TSSOP-24
Analog Dev.
AD7190BRUZ/AD7190BRUZ
ADI
free issue
U2
1
100
AD421
Voltage Reference 2.5V, SO-8
Analog Dev.
ADR421BRZ
ADI
free issue
alternative:
Analog Dev.
ADR421ARZ
ADI
free issue
U31
1
100
ADP3303-5V
Voltage Regulator, SO-8
Analog Devices
ADP3303ARZ-5
ADI
free issue
U32
1
100
ADP3303-3.3V
Voltage Regulator, SO-8
Analog Devices
ADP3303ARZ-3.3
ADI
free issue
U50
1
100
AD5258-10kohm
DigiPot, 64-step, 10kohm, MSOP-10
Analog Devices
AD5258BRMZ10
ADI
free issue
U51
1
100
CY7C68013A
Microcontroller, EZ-USB FX2LP uC, QFN-56
Cypress
CY7C68013A-56LFXC
Farnell
126-9133
6.450
6.450
6.45
U52
1
100
24LC64
EEPROM, I2C, 64k, SO-8
Microchip
24LC64-I/SN
Farnell
975-8070
0.363
0.363
0.36
U53
1
100
LCD_connector
Receptable, pitch 2.54mm, 1x16-pin, SMT
Samtec
SSM-116-L-SV
Digikey
SAM1148-16-ND
$3.48530
2.324
2.32
alternative 1x50pin cut to 3pcs
Samtec
SSM-150-L-SV
Digikey
SAM1148-50-ND
$5.12500
3.417
LED1-3 LED51
4
400
Red
LED, high intensity (>90mCd), 0603
Avago Tech.
HSMC-C191
Farnell
855-4528
0.151
0.151
0.60
LED4-8
5
500
Green
LED, high intensity (>50mCd), 0603
Avago Tech.
HSME-C191
Farnell
121-9743
0.125
0.125
0.63
XTAL1
4.9152MHz
Crystal, not inserted, through hole
0.000
0.000
XTAL51
24.0MHz
Crystal, load 12pF, SMD 5x3.2mm
AVX
CX5032GB24000H0PESZZ
Farnell awaiting
136-8770
0.740
0.740
1
100
alternative, SMD 7x5mm
ECS
ECS-240-12-20A-TR
Digikey
XC1009CT-ND
$2.475
1.650
1.65
D1
1
100
5.8V
Diode, TVS unipolar, 6.8V 600W, SMB
ON
P6SMB6.8AT3G
Farnell
145-9166
0.153
0.153
0.15
D31-34
4
400
BAT721C
Diode, 2xSchot.com.cath, 40V 0.2A, SOT-23
Philips
BAT721C
Farnell
108-1199
0.240
0.240
0.96
Q51
1
100
BSS138
Transistor, N-MOSFET, 60V, 0.23A, SOT-23
Infineon
BSS138N
Farnell
115-6434
0.129
0.129
0.13
C1-7 C15-16
-
Capacitor ceramic, not inserted, 0603
C52-53
2
200
12pF
Capacitor ceramic, 50V, COG, 0603
Phycomp
2238 867 15129
Farnell
721-979
0.036
0.036
0.07
C8 C10-11 C13
4
400
0.01uF
Capacitor ceramic, 50V, X7R, 0603
Phycomp
2238 586 15636
Farnell
722-236
0.024
0.024
0.10
C19-22 C24 C31-33 C54-61
16
1600
0.1uF
Capacitor ceramic, 16V, X7R, 0603
Phycomp
2238 786 15649
Farnell
432-210
0.032
0.032
0.51
C9 C12 C14
3
300
1uF
Capacitor ceramic, 6.3V, X5R, 0603
Phycomp
2238 246 13663
Farnell
940-2080
0.076
0.076
0.23
C23 C34-37 C50-51
7
700
4.7uF
Capacitor ceramic, 6.3V, X5R, 0603
Phycomp
2255 206 13672
Farnell
940-2110
0.194
0.194
1.36
C17 C18 C25 C30
4
400
10uF
Capacitor Tantalum, 16V, TAJ-A
AVX
TAJA106M016R
Farnell
146-2407
0.200
0.200
0.80
L1
1
100
1000Z
Ferrite Bead, 1000Z, 300mA, 0805
Tyco
BMB2A1000LN2
Farnell
119-3421
0.193
0.193
0.19
R17, R75-76
-
Resistor, not inserted, 0603
0.000
0.000
R1, R2, R5
3
300
0R0
Resistor, 0603
Phycomp
232270296001
Farnell
923-3130
0.081
0.081
0.24
R16
1
100
1R5
Resistor, 1%, 0603
Phycomp
232270461508
Farnell
923-8140
0.036
0.036
0.04
R31-32
2
200
10R
Resistor, 1%, 0603
Phycomp
232270461009
Farnell
923-8247
0.036
0.036
0.07
R74
1
100
47R
Resistor, 1%, 0603
Phycomp
232270464709
Farnell
923-8328
0.036
0.036
0.04
R3-4, R8, R20-25
9
900
100R
Resistor, 1%, 0603
Phycomp
232270461001
Farnell
923-8360
0.073
0.073
0.66
R6-7 R52-54
5
500
1K0
Resistor, 1%, 0603
Phycomp
232270461002
Farnell
923-8484
0.036
0.036
0.18
R9-15 R19 R50-51
10
1000
10K
Resistor, 1%, 0603
Phycomp
232270461003
Farnell
923-8603
0.073
0.073
0.73
R18 R55-57, R62-73
16
1600
100K
Resistor, 1%, 0603
Phycomp
232270461004
Farnell
923-8727
0.020
0.020
0.32
S1-5
5
500
Switch
Push Button, sealed, 6x6mm, SMD
Omron
B3S-1000
Farnell
177-807
0.570
0.570
2.85
B1
0.2
20
9V_battery
Clip for 9V battery, PCB mounting, packof 5
Keystone
593+594
Farnell
723-988
4.360
4.360
0.87
J1
1
100
2x4-pin
Header, vertical, pitch 2.54mm, SMD
Tyco/AMP
1241050-4
Farnell
968-9575
1.050
1.050
1.05
alternative: any equivalent, can be tinplated
J2-3
2
200
2x8-pin
Header, vertical, pitch 2.54mm, SMD
Tyco/AMP
1241050-8
Farnell
968-9613
1.510
1.510
3.02
alternative: any equivalent, can be tinplated
J4
1
100
1x8-pin
Terminal header, pitch 3.81mm, rightangle
Phoenix Contact
1803332
Farnell
370-4774
1.400
1.400
1.40
J10
1
100
1x2-pin
Screw terminal block, pitch 3.81mm
Phoenix Contact
1727010
Farnell
370-4579
0.517
0.517
0.52
J52
-
Connector, not inserted
J31
1
100
Pwr_Jack
Connector, Pwr Jack, Barrel, 2.1mm, SMD
Lumberg
1613_14
Farnell
124-3245
0.660
0.660
0.66
alternative
CUI Inc.
PJ-002AH-SMT
Digikey
CP-002AHPJCT-ND
$0.60
0.400
J51
1
100
Mini-USB
Connector, USB Mini-B, SMD
Molex
548190572
Farnell
978-6473
1.060
1.060
1.06
J5-9
-
Connector, 50ohm, straight, SMB, notinserted
Amphenol
SMB1251B1-3GT30G-50
1.920
1.920
Assembly
LCD assembly (U53)
1
100
LCD_2x16
LCD module 2x16 char, 1x16-pin, top
Everbouquet
MC1602C-SYR
Farnell
122-0424
6.280
6.280
6.28
alternative: needs to be discussed withADI
LCD assembly (U53)
1
100
Header_1x16
Header, pitch 2.54mm, 1x16-pin, L=5.08mm,Hand-soldered to LCD
Tyco
1-826629-6
Farnell
124-8124
1.040
1.040
1.04
alternative: any equivalent, can be tinplated
LCD assembly (U53)
0.04
4
Screw M2.5x16, pack of 100
Farnell
141-9768
8.000
8.000
0.32
alternative: any Zinc or Nickel platedscrew. Will be seen on LCD, must look reasonably nice
LCD assembly (U53)
0.04
4
Nut M2.5, pack of 100
Farnell
141-9446
1.530
1.530
0.06
alternative: any Zinc or Nickel platednut.
LCD assembly (U53)
0.08
8
Spacer, hex, 10mm, pack of 25
Harwin
R30-9401000
Farnell
359-210
3.050
3.050
0.24
alternative: any plastic or metal specer10mm
NSF
MKS10 SPACER 221805 10MM
Farnell
116-5267
0.129
0.129
(J1)
1
100
Jumper
Jumper, pitch 2.54mm, 2-way, RED
Harwin
M7566-05
Farnell
150-411
0.280
0.280
0.28
alternative: any equivalent
(J2, J3)
16
1600
Jumper
Jumper, pitch 2.54mm, 2-way, BLACK
FCI
68786-202LF
Farnell
109-7979
0.093
0.093
1.49
alternative: any equivalent
(J4)
1
100
Connector
Screw terminal plug, pitch3.81mm,straight,8way
Phoenix Contact
1803633
Farnell
370-4956
4.000
4.000
4.00
(PCB)
0.08
9
Feet
Feet, stick-on, d=9.5mm h=3.8mm, packof 48
3M
SJ5306TRANS
Farnell
116-5068
7.770
7.770
0.70
KIT
Box
1
100
Eval Kit Box
Europacks
K-645/1
Europacks
K-645/1
Price!
Cable
1
100
USB A to Mini-B Cable
Tyco / AMP
1496476-1
Farnell
114-6639
2.410
2.410
2.41
alternative: any equivalent
Bag
0.01
1
Anti-static bag - to insert the board, packof 100
3M
150Z58
Farnell
130-6603
12.520
12.520
0.13
Sticker
1
100
USB software warning sticker - to closethe bag
ADI Free Issue
Wraping
1
100
Soft filling material - to fix board andcable in box
Price!
CD
1
100
AD7150 evaluation kit CD - under board inbox
ADI Free Issue
1.000
1.000
1.00
Label
1
100
Bar code label, EVAL-AD7190EBZ - outsidebox
ADI Free Issue
学习了，谢谢。 支持 很好的资料,看一看
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