27

LTC1289

S

APPLICATI

TYPICAL

PACKAGE DESCRIPTIO

Dimensions in inches (millimeters) unless otherwise noted.

J Package

20-Lead Ceramic DIP

N Package

20-Lead Plastic DIP

110

SCLK

CS

POWER SHUTDOWN STARTS

DUMMY CONVERSION FINISHES AFTER 52 ACLK PERIODS

POWER UP

LTC1289 TAF2

Figure 25. Power Shutdown Timing

0.290 – 0.320

(7.366 – 8.128)

0° – 15°

0.008 – 0.018

(0.203 – 0.457)

0.385 ± 0.025

(9.779 ± 0.635)

J20 0392

11

3

7

20

16

15

56

10

9

17

14

13

12

1

4

2

19

8

18

0.005

(0.127)

MIN

0.025

(0.635)

RAD TYP

0.220 – 0.310

(5.588 – 7.874)

1.060

(26.924)

MAX

0.015 – 0.060

(0.381 – 1.524)

0.160

(4.064)

MAX

0.125

(3.175)

MIN

0.080

(2.032)

MAX

0.014 – 0.026

(0.356 – 0.660)

0.100 ± 0.010

(2.540 ± 0.254)

0.200

(5.080)

MAX

0.038 – 0.068

(0.965 – 1.727)

N20 0392

0.015

(0.381)

MIN

0.125

(3.175)

MIN

0.130 ± 0.005

(3.302 ± 0.127)

0.065

(1.651)

0.045 – 0.065

(1.143 – 1.651)

0.018 ± 0.003

(0.457 ± 0.076)

0.065 ± 0.015

(1.651 ± 0.381)

0.100 ± 0.010

(2.540 ± 0.254)

0.260 ± 0.010

(6.604 ± 0.254)

1.040

(26.416)

MAX

12

3

4

5

6

7

8

910

19

11

12

13

14

16

15

17

18

20

0.009 – 0.015

(0.229 – 0.381)

0.300 – 0.325

(7.620 – 8.255)

0.325

+0.025

–0.015

+0.635

–0.381

8.255

()

150

°C80°C/W

110

°C

100

°C/W

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 circuits as described herein will not infringe on existing patent rights.