AD2S99BPZ

更新时间： 2024-02-14 13:26:06

品牌	Logo	应用领域
亚德诺 - ADI		振荡器
页数	文件大小	规格书
8页	320K
描述
Programmable Oscillator

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AD2S99BPZ 数据手册

AD2S99

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.

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

0.1µF

4.7µF

NC = NO CONNECT

20 19

EXC

SIN

EXC

AD2S99

TOP VIEW

(Not to Scale)

DGND

COS

AGND

15 NC

14 NC

SEL2 = GND

SEL1 = V

10 11 12 13

= 5kHz

OUT

50kΩ

0.1µF

4.7µF

LOS

PHASE

COMP

25 24 23 22 21 20 19

DMODOUT

0.1µF

4.7µF

PRI

AD2S93

TOP VIEW

(Not to Scale)

0.1µF

DGND 15

DIR 14

SEC

AGND

DIFF

GAIN

LOS

NULL 13

OVR 12

LVDT

10 11

NC = NO CONNECT

Figure 5. AD2S99 and AD2S93 Example Configuration

REV. B

–7–

1...4 5 678

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