ad1843jst Analog Devices, Inc., ad1843jst Datasheet - Page 62

• Manufacturer Part Number: ad1843jst
• Description: Serial-port 16-bit Soundcomm Codec
• Manufacturer: Analog Devices, Inc.

AD1843
0.037 (0.95)
0.026 (0.65)
0.004 (0.10)
0.010 (0.25)
SEATING
PLANE
MAX
80-Terminal Plastic Quad Flatpack (PQFP)
MIN
0.096 (2.45)
0.083 (2.10)
0.075 (1.90)
MAX
20
1
80
21
0.029 (0.73)
0.023 (0.57)
0.486 (12.35) TYP
S-80
0.555 (14.10)
0.547 (13.90)
(PINS DOWN)
0.690 (17.45)
0.667 (16.95)
TOP VIEW
0.015 (0.38)
0.009 (0.22)
TABLE OF CONTENTS
FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
GENERAL PRODUCT DESCRIPTION . . . . . . . . . . . . . 1
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
ORDERING INFORMATION . . . . . . . . . . . . . . . . . . . .
PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
PIN CONFIGURATIONS . . . . . . . . . . . . . . . . . . . . . . . 7, 8
DETAILED FUNCTIONAL BLOCK DIAGRAM . . . . . 12
DETAILED PRODUCT DESCRIPTION . . . . . . . . . . . . 13
FUNCTIONAL DESCRIPTION . . . . . . . . . . . . . . . . . . . 13
SERIAL INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
SERIAL INTERFACE INPUT . . . . . . . . . . . . . . . . . . . . 22
SERIAL INTERFACE OUTPUT . . . . . . . . . . . . . . . . . . 24
CONTROL REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . 25
BIT AND REGISTER MAPS . . . . . . . . . . . . . . . . . . . . . . 51
START-UP SEQUENCE . . . . . . . . . . . . . . . . . . . . . . . . . 52
APPLICATIONS CIRCUITS . . . . . . . . . . . . . . . . . . . . . 55
FREQUENCY RESPONSE PLOTS . . . . . . . . . . . . . . . . 59
61
40
60
41
Dimensions shown in inches and (mm)
OUTLINE DIMENSIONS
–62–
COPLANARITY
100-Terminal Plastic Thin Quad Flatpack (TQFP)
0.026 (0.65)
0.014 (0.35)
MAX LEAD
SEATING
0 – 10
(0.102)
PLANE
0.004
0.061 (1.55)
0.049 (1.25)
0.007 (0.177)
0.003 (0.077)
6
12
TYP
4
ST-100
25
100
1
26
6
0.020 (0.50)
BSC
0.640 (16.25)
0.620 (15.75)
0.555 (14.10)
0.547 (13.90)
(PINS DOWN)
TOP VIEW
SQ
SQ
0.012 (0.20)
0.004 (0.10)
76
50
REV. 0
75
51