TS652IDT 데이터 시트보기 (PDF) - STMicroelectronics

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TS652IDT

DIFFERENTIAL VARIABLE GAIN AMPLIFIER

STMicroelectronics 

TS652

GAIN CONTROL

The gain and the power down mode is programmed with a 4 bit digital word :

Digital

Contro l

$0000

$0001

$0010

$0011

$0100

$0101

$0110

$0111

$1000

$1001

$1010

$1011

$1100

$1101

$1110

$1111

Total Gain

(dB)

-9

-6

-3

0

3

6

9

12

15

18

21

24

27

30

30

30

First Stage

Gain

(dB)

0

0

0

0

3

6

9

12

15

18

21

24

27

30

30

30

Second Stage

Gain

(dB)

-9

-6

-3

0

0

0

0

0

0

0

3

6

9

12

12

12

Maximum

Input Level

2.8Vrms

2.8Vrms

2.8Vrms

2.8Vrms

2Vrms

1.4Vrms

1Vrms

0.7Vrms

0.5Vrms

0.35Vrms

0.25Vrms

175mVrms

125mVrms

88mVrms

88mVrms

88mVrms

Bandw idth

Small Signal

110mHZ

100MHz

85MHz

69MHz

63MHz

58MHz

56MHz

55MHz

54MHz

52MHz

42MHz

30MHz

24MHz

18MHz

18MHz

18MHz

Eq. Input

Noise

(nV/√Hz)

29

26

23

22

16

12

9

7

6

4.8

4.7

4.7

4.6

4.6

4.6

4.6

The gain is the same for both channels.

The digital inputs are CMOS compatible. The supply voltage of the logic decoder used to transcode the digital word can be either 3.3V or 5V or VCC.

6/9

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