Texas Instruments DS125DF111EVM, User Manual

Page: 14 / 23

PLACE AT J15 PLACE AT U1
PLACE AT U1
8-PIN DIP SOCKET for AT24C01B EEPROM
LOCKED = ON (GREEN)
LOSS of SIGNAL = ON (GREEN)
OUT B
IN A OUT A
IN B
25 MHz Oscillator
SCL
SDA
GND
VDD
VDD
VIN
VIN
LOS
REFCLK
VIN
VIN
VIH
VDD
SDA
SCL
TX_DIS
VODA
ADDR1 VDD
GND
GND
VIH
SCL
SDA
WP
A1
A2
ADDR0
REFCLK OSC
EN
VIH
ENSMB
A1
VIH
GND
A2
VIH
GND
WP
GND
VIH
VIH
ADDR1
VODA SCL SDA
GND GND GND
VIH
VODA SDA SCL
GND
ENSMB
GND
GND
VIH
ADDR0
ADDR0
VIH LOS
TX_DIS
GND
TX_DIS
R27 220
C9
0.022u
SMA7
142-0771-821
SIG
1
GND
2
GND
3
GND
4
GND
5
R31
1K
R20
50 (DNP)
R25 1K
R5
20K
U2
4808-3004-CP
GND
4
SDA
5
SCL
6
WP
7
VCC
8
A0
1
A1
2
A2
3
J17
1287-ST
1
2
J61
WM6502-ND
1
2
SMA4
142-0771-821
SIG
1
GND
2
GND
3
GND
4
GND
5
R17
1K
R30
DNP
J6
WM6503-ND
1
2
3
J18
1287-ST
1
2
R28 220
C1 0.1u
R10
1K
SMA1
142-0771-821
SIG
1
GND
2
GND
3
GND
4
GND
5
C12
0.22
R23
0
J15
1287-ST
1
2
D2 SML-310PTT86
R12
1K
R1 1K
R3 1K
C13
0.1u
R32
DNP
SMA8
142-0771-821
SIG
1
GND
2
GND
3
GND
4
GND
5
R11
20K
C10
0.022u
R4
1K
R15
1K
SMA5
142-0771-821
SIG
1
GND
2
GND
3
GND
4
GND
5
R16
1K
C11
0.22
R9
1K
J41
WM6502-ND
1
2
R2
20K
J3
WM6503-ND
1
2
3
J51
WM6502-ND
1
2
J4
WM6503-ND
1
2
3
C2 0.1u
C7 0.1u
J16
WM8121-ND
1 2
3 4
5 6
J9
WM6503-ND
1
2
3
R14
20K
SMA2
142-0771-821
SIG
1
GND
2
GND
3
GND
4
GND
5
J91
WM6502-ND
1
2
C6 0.1u
J19
WM6503-ND
1
2
3
J5
WM6503-ND
1
2
3
R26
20K
C14
10u C15
0.1u
C5 0.1u
J14
WM6502-ND
1
2
J10
WM8121-ND
1 2
3 4
5 6
R7
1K
SMA6
142-0771-821
SIG
1
GND
2
GND
3
GND
4
GND
5
D1 SML-310PTT86
C4 0.1u
U3
535-11750-1-ND
EN
1
GND
2
VDD
4
OUT
3
R8
20K
J141
WM6502-ND
1
2
C3 0.1u
R24
20K
C16
0.1u
R13
1K
R6
1K
U1
DS125DF111
L
P
F
_
R
E
F
_
A
1
L
P
F
_
C
P
_
A
2
E
NS
M
B
3
S
D
A
/D
E
M
A
4
S
C
L
/D
E
M
B
5
T
X
_
DI
S
/L
B
K
6
OUTA+
7
OUTA-
8
VODA/READEN#
9
ADDR1/VODB/DONE#
10
INB+
11
INB-
12
LOS/INT
#
1
3
R
E
F
C
L
K
_
IN
1
4
V
IN
1
5
A
D
D
R
0
/L
O
C
K
1
6
LPF_CP_B
17
L
P
F
_
R
E
F
_
B
1
8
OUTB-
19
OUTB+
20
VDD
21
VDD
22
INA-
23
INA+
24
DAP
25
SMA3
142-0771-821
SIG
1
GND
2
GND
3
GND
4
GND
5
R33
1K R35
1K
J20
WM6503-ND
1
2
3
R34
DNP
R29 1K
C8 0.1u
J161
WM6502-ND
1
2
Schematic
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14 SNLU158A – January 2014 – Revised January 2016
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