NXP Semiconductors
UM11596
PTN3944 linear equalizer application board user manual
aaa-042296
C22
0.22 µF
1
2
C23
0.22 µF
C30
0.22 µF
C31
0.22 µF
C32
0.22 µF
C33
0.22 µF
C34
0.22 µF
C35
0.22 µF
C36
0.22 µF
R3
56 kΩ
C37
0.22 µF
C24
0.22 µF
6
33
32
28
27
25
24
20
19
18
17
22
23
30
36
7
C25
0.22 µF
C26
0.22 µF
9
10
C27
0.22 µF
C28
0.22 µF
14
15
C29
0.22 µF
34
35
NC1
NC2
13
16
29
3
11
21
VDD
VCCA
VCCB
VCCC
VCCD
12
5
4
T2_TEST1
TX_IN7N
TX_IN7P
TX_IN6N
TX_IN6P
TX_IN5N
TX_IN5P
TX_IN4N
TX_IN4P
IN3N
IN3P
IN2N
IN2P
IN1N
IN1P
IN0N
IN0P
TX_OUT7N
GND
I2C Address
010-0010 (0x22)
GND
VDD1V8
FG1_T2
FG2_T2
SCL1
SDA1
FG1_T2
FG2_T2
SCL1
SDA1
SCL
SDA
TX_OUT7P
TX_OUT6N
TX_IN4P
TX_IN4N
TX_IN5P
TX_IN5N
TX_IN6P
TX_IN6N
TX_IN7P
TX_IN7N
TX_OUT4P
TX_OUT4N
TX_OUT5P
TX_OUT5N
TX_OUT6P
TX_OUT6N
TX_OUT7P
TX_OUT7N
TX_OUT6P
TX_OUT5N
TX_OUT5P
TX_OUT4N
TX_OUT4P
OUT3N
OUT3P
ADDR3
ADDR4
ADDR2
ADDR1
FG2
FG1
OUT2N
OUT2P
OUT1N
OUT1P
OUT0N
OUT0P
CTL1_T2
CTL2_T2
CTL3_T2
T2_TEST1
PTNVCC1
CTL1_T2
CTL2_T2
CTL3_T2
TEST1
LCTL1
LCTL2
LCTL3
8
26
G
N
D
6
G
N
D
5
G
N
D
4
G
N
D
3
G
N
D
2
G
N
D
1
TE
ST
2
GND
GND
PESD3V3R1BSF
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
D32
39 38 37 31
40
41
42
U2
PTN3944
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
PESD3V3R1BSF
Figure 5. Front side U2 redrivers schematic
UM11596
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© NXP B.V. 2021. All rights reserved.
User manual
Rev. 1 — 14 July 2021
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