參數(shù)資料
型號: AD2S99AP
廠商: ANALOG DEVICES INC
元件分類: 運動控制電子
英文描述: Programmable Oscillator
中文描述: SINE, 0.02 MHz, WAVEFORM GENERATION, PQCC20
封裝: PLASTIC, LCC-20
文件頁數(shù): 7/8頁
文件大小: 317K
代理商: AD2S99AP
REV. B
–7–
AD2S99
AD2S99/AD2S93 TYPICAL CONFIGURATION
Figure 5 shows a typical circuit configuration for the AD2S99
Oscillator and the AD2S93 LVDT-to-Digital Converter. The
maximum level of the A and B transducer input signals to the
AD2S93 should be 1 V rms
±
20%. All the analog ground sig-
nals should be star connected to the AD2S93 AGND pin. If
shielded twisted pair cables are used for the LVDT signals, the
shields should also be terminated at the AD2S93 AGND pin.
The SYNREF output of the AD2S99 cannot be used as the
REF input signal for the AD2S93. The zero crossing reference
for the AD2S93 should be taken from the primary winding of
the LVDT through a phase lead or lag network. The phase com-
pensation network ensures that the REF input is phase coherent
with the A and B input signals to the AD2S93.
NC = NO CONNECT
NC
SIN
NC
DGND
COS
EXC
EXC
NC
AGND
NC
19
3
1
2
20
4
5
8
6
7
12 13
9
11
10
18
17
14
16
15
TOP VIEW
(Not to Scale)
AD2S99
F
S
V
S
S
V
S
N
S
N
L
V
D
4.7μF
4.7μF
0.1μF
0.1μF
SEC
PRI
LVDT
V
DD
V
SS
V
DD
0.1μF
50k
4.7μF
0.1μF
4.7μF
V
SS
SEL2 = GND
SEL1 = V
F
OUT
= 5kHz
V
DD
NC = NO CONNECT
D
S
U
C
N
N
26
27
28
4
2
3
15
18
17
16
12
14
13
25
24
21
20
19
23
22
1
5
6
9
10
11
7
8
C
R2
C2
C1
C3
R5
R6
R7
C4
DMODOUT
B
A
PHASE
COMP
LOS
TOP VIEW
(Not to Scale)
AD2S93
B
NC
LOS
GAIN
DIFF
AGND
A
V
SS
DGND
DIR
NULL
OVR
R
N
V
D
A
V
I
V
DD
Figure 5. AD2S99 and AD2S93 Example Configuration
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