Texas Instruments Evaluation Kit for the LMH6514 LMH6514SQEVAL/NOPB LMH6514SQEVAL/NOPB 데이터 시트
제품 코드
LMH6514SQEVAL/NOPB
U1
6
5
7
8
15
16
14
13
VC
C
N
C
L
AT
C
H
N
C
3
4
2
1
OUT -
LOAD -
OUT+
LOAD +
IN+
GND1
IN-
GND2
G
AI
N
_
1
G
AI
N
_
2
G
AI
N
_
0
N
C
DAP
C4
A/R
C5
1n
R12
A/R
R11
A/R
VCCA
1
0
9
1
1
1
2
R7
4.99k
R6
10k
2
1
1
SW
1
-B
VCCA
R16
4.99k
4.99k
R17
10k
10k
R10
4.99k
R9
10k
4
9
SW
1
-D
VCCA
3
1
0
SW
1
-C
VCCA
R13
4.99k
4.99k
R14
10k
10k
GND2
GND1
GND TEST POINTS
R23
10k
R20
10k
10k
GAIN1
GAIN4
GAIN2
GAIN3
GAIN0
LATCH
R18
4.99k
R21
4.99k
4.99k
5
8
SW
1
-E
VCCA
VCCA
7
6
SW
1
-F
1
2
1
SW
1
-A
+
C15
10
P
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
A/R
R1
A/R
A/R
IN-
IN+
1
2
3
C11
A/R
6
4
T2
TC4-1W
C14
1n
C13
1n
R4
0
0
R3
A/R
A/R
OUT-
OUT+
1n
C8
0.01
P
C9
1n
C6
0.01
P
C7
VCCA
VCCA
L2
1
1
P
H
L1
1
1
P
H
C17
1n
C18
0.01
0.01
P
VCCA
C2 is
shorted on
the PC
Board
R4 is shorted on
the PC Board
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
Copyright © 2008–2013, Texas Instruments Incorporated