Silicon Laboratories Si2457 Manual de usuario descargar pdf (Pagina 22)

Si2493/57/34/15/04

Global ISOmodem-EVB

22 Rev. 0.7

41 3 R172, R173,

R174

20.0 k 1/16 W ±1% ThickFilm R0603 CR0603-16W-2002F Venkel

42 1 R175 0 2 A ThickFilm R1206 CR1206-4W-000 Venkel

43 1 S1 SW PUSH-

BUTTON

50 mA 12 Vdc Tactile SW4N6.5X4.5-

101-0161-EV Mountain

Switch

44 10 TP5, TP6,

TP16, TP17,

TP19, TP20,

TP21, TP22,

TP23, TP24

BLUE Loop TESTPOINT 151-205-RC Kobiconn

45 4 TP7, TP8,

TP9, TP25

Turret Turret TP[12594] 2551-2-00-44-00-00-07-0 Mill-Max

46 1 TP11 RED Loop TESTPOINT 151-207-RC Kobiconn

47 1 U3 LT1963A-

3.3 V

1.5 A

max

LDO SOT223 LT1963AEST-3.3#PBF Linear Tech-

nologies

48 1 U5 EEPROM

32K

Serial TSSOP8N6.4P0.

25LC320A-I/ST Microchip

Technology

49 1 U10 5 0.5 A

max

LDO TO263-3N LM2937ES-5.0 National

Semiconduc-

tors

50 1 U11 MAX3237 5.5 V RS232 TSSOP MAX3237EIPWR TI

51 1 U12 CP2102 MCU QFN28N5X5P0.

CP2102-GM SiLabs

52 2 U13, U14 IDT74CBT

LV3257

TSSOP-16 IDT74CBTLV3257 IDT

53 1 U18 DS1818 3.3 V 10% SOT-23 DS1818-10 Dallas Semi-

conductor

54 1 U26 74LCX541 Buffer TSSOP20N6.4P

0.65

74LCX541MTC Fairchild

55 1 U27 LM4819 350 mW SO8N6.0P1.27 LM4819M National

Semiconduc-

tor

Unpopulated Components

56 1 J7 2MM, RT

ANG

SHROUD

CONN1X5-S5B-

PH-SM4-TB

S5B-PH-SM4-TB JST

11 R39 10k 1/10 W ±1% ThickFilm R0603 CR0603-10W-1002F Venkel

1 1 R108 0 1 A ThickFilm R0603 CR0603-16W-000 Venkel

Table 5. Si24xx Motherboard Bill of Materials (Continued)

Item Qty Ref Value Rating Voltage Tol Type PCB Footprint Mfr Part Number Mfr

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 36 37

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