Datasheet

U1
6
5
7
8
15
16
14
13
VCC
NC
LATCH
NC
3 4 2 1
OUT -
LOAD -
OUT+
LOAD +
IN+
GND1
IN-
GND2
GAIN_1 GAIN_2 GAIN_0 NC
DAP
C4 A/R
C5 1n
R12
A/R
R11
A/R
VCCA
10
9
11 12
R7
4.99k
R6
10k
211
SW1-B
VCCA
R16
4.99k
R17
10k
R10
4.99k
R9
10k
49
SW1-D
VCCA
310
SW1-C
VCCA
R13
4.99k
R14
10k
GND2GND1
GND TEST POINTS
R23
10k
R20
10k
GAIN1GAIN4
GAIN2
GAIN3
GAIN0
LATCH
R18
4.99k
R21
4.99k
58
SW1-E
VCCA
VCCA
76
SW1-F
121
SW1-A
+
C15
10P
VCCA
POWER SUPPLY CONNECTIONS
D1
1N5818M
VCCA GND
R2
A/R
R25
A/R
R24
A/R
VCCA
TP1
3
2
1
C3
A/R
4
6
T1
TC4-1W
C2
A/R
C16
1n
C1
1n
R5
A/R
R1
A/R
IN-
IN+
1
2
3
C11
A/R
6
4
T2
TC4-1W
C14
1n
C13
1n
R4
0
R3
A/R
OUT-
OUT+
1nC8
0.01P
C9
1n
C6
0.01P
C7
VCCA
VCCA
L2
1 PH
L1
1 PH
C17
1n
C18
0.01P
VCCA
C2 is
shorted on
the PC
Board
R4 is shorted on
the PC Board
www.ti.com Basic Operation
Figure 1. LMH6514 Evaluation Board Schematic
3
SNOA524A–April 2008–Revised May 2013 AN-1828 LMH6514 Digital Controlled Variable Gain Amplifier Evaluation
Board
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