Datasheet

U4
LMH1981
GND
5
GND
11
VFOUT
9
R15
0
JP4
Rext
1
OEOUT
10
GND
2
BPOUT
9
Vcc
3
CSOUT
8
Vin
4
VSOUT
7
SD/HD
5
HSOUT
6
REXT OEOUT
VSOUT
HSOUT
LMH1980 (NP)
U3
C33
100 nF
VCC
VIN
Vcc2
6
C1
100 nF
HSOUT
VCC
VIN
4
Vcc1
3
GND
2
Rext
1
7
R51
50
HSOUT
HSYNC
8
R28
50
VSOUT
VSYNC
VSOUT
R1
10.0k (1%)
1%
REXT
C32
10 nF
Vcc3
10
CSOUT
12
BPOUT
13
OEOUT
14
C36
10 PF
C4
100 nF
VCC
TP2
VCC
VCC3V3
R26
50
OEOUT
TP7
OEOUT
VIN
C39
560 pF
C30
OPEN
R24
100
R23
75
J2
ANALOG REF 1
Evaluation Board Schematic www.ti.com
Figure 4. Schematic (2 of 4)
LMH1981 and LMH1980 Sync Separators
8
AN-1841 LMH1982 Evaluation Board SNOA527A–May 2008–Revised April 2013
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