LTC1992 Family

39

1992f

TYPICAL APPLICATIO S

PACKAGE DESCRIPTIO

MS8 Package

8-Lead Plastic MSOP

(Reference LTC DWG # 05-08-1660)

MSOP (MS8) 0603

0.53 ± 0.152

(.021 ± .006)

SEATING

PLANE

NOTE:

1. DIMENSIONS IN MILLIMETER/(INCH)

2. DRAWING NOT TO SCALE

3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.

MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE

0.18

(.007)

0.254

(.010)

1.10

(.043)

MAX

0.22 – 0.38

(.009 – .015)

TYP

0.127 ± 0.076

(.005 ± .003)

0.86

(.034)

REF

0.65

(.0256)

BSC

0° – 6° TYP

DETAIL “A”

DETAIL “A”

GAUGE PLANE

12

3

4

4.90 ± 0.152

(.193 ± .006)

8

7 6 5

3.00 ± 0.102

(.118 ± .004)

(NOTE 3)

3.00 ± 0.102

(.118 ± .004)

(NOTE 4)

0.52

(.0205)

REF

5.23

(.206)

MIN

3.20 – 3.45

(.126 – .136)

0.889 ± 0.127

(.035 ± .005)

RECOMMENDED SOLDER PAD LAYOUT

0.42 ± 0.038

(.0165 ± .0015)

TYP

0.65

(.0256)

BSC

4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.

INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE

5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.

Single-Ended to Differential Conversion Driving an ADC

2.2µF

10µF

10µF

10Ω

47µF

4

6

REFCOMP

4.375V

CONTROL

LOGIC

AND

TIMING

B15 TO B0

16-BIT

SAMPLING

ADC

–

+

10µF

5V OR

3V

µP

CONTROL

LINES

D15 TO D0

OUTPUT

BUFFERS

16-BIT

PARALLEL

BUS

11 TO 26

1992 TA06a

OGND

28

29

1

2

+

–

SHDN

CS

CONVST

RD

BUSY

33

32

31

30

27

LTC1603

3

36

35

10

9

5V

5V

7.5k

DGND

8

AGND

AGND

7

AGND

5

AGND

34

–5V

10µF

2.5V

REF

10µF

1.75X

+

+

+

+

+

–

–

+

+

5V

–5V

LTC1992-1

3

6

100pF

4

5

2

7

8

1

100Ω

100Ω

0.1µF

0.1µF

SNR =85.3dB

THD = –72.1dB

SINAD = –72dB

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

–130

–140

FREQUENCY (kHz)

0

80

70

1992 TA06b

20

10

40

30

60

50

100

90

FFT of the Output Data