AD7248A Analog Devices, AD7248A Datasheet - Page 16

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AD7248A

Manufacturer Part Number
AD7248A
Description
12-Bit DACPORT with Double-Buffered Byte Loading
Manufacturer
Analog Devices
Datasheet

Specifications of AD7248A

Resolution (bits)
12bit
Dac Update Rate
142kSPS
Dac Settling Time
7µs
Max Pos Supply (v)
+16.5V
Single-supply
Yes
Dac Type
Voltage Out
Dac Input Format
Byte

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AD7245A/AD7248A
Revision History
Location
Data Sheet changed from REV. A to REV. B.
Changed V
Changed A Version of Full-Scale Temperature Coefficient from ± 30 to ± 40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Changed B and T Versions of V
Change to Note 1 and Note 9 of Specifications table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Change to Note 2 in Switching Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Changes to R-24 Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
0.011 (0.275)
0.005 (0.125)
Changed B and T Versions of V
PIN 1
(3.175)
PIN 1
0.125
20
1
MIN
LEADS ARE SOLDER OR TIN-PLATED KOVAR OR ALLOY 42
DD
0.0500
(1.27)
BSC
0.021 (0.533)
0.015 (0.381)
0.5118 (13.00)
0.4961 (12.60)
20
1
= 15 V ± 5% to V
LEAD NO. 1 IDENTIFIED BY DOT OR NOTCH.
1.07 (27.18) MAX
0.022 (0.56)
0.014 (0.36)
0.021 (0.533)
0.015 (0.381)
20-Lead Plastic DIP
0.070 (1.77)
0.045 (1.15)
0.107 (2.72)
0.089 (2.26)
20-Lead SOIC
10
11
SEATING
PLANE
(N-20)
(R-20)
11
10
0.299 (7.60)
0.291 (7.40)
DD
DD
0.255 (6.477)
0.245 (6.223)
SS
0.145
(3.683)
MIN
0.419 (10.65)
0.404 (10.00)
Power Requirements from +11.4/+15.75 to +10.8/+16.5 for V min.
= 15 V ± 10% in Static Performance section in Test Conditions/Comments column . . . . . . . . 2
0.015 (0.38)
0.007 (0.18)
Power Requirements from –11.4/–15.75 to –10.8/–16.5 for V max . . . . . . . . . . . . . . . . . . . . . 2
15
0.32 (8.128)
0.29 (7.366)
0
MECHANICAL INFORMATION —AD7248A
0.011 (0.28)
0.009 (0.23)
8
0
0.125 (3.18)
0.18 (4.57)
Dimensions shown in inches and (mm).
OUTLINE DIMENSIONS
0.034 (0.86)
0.018 (0.46)
(1.143
0.045
0.14 (3.18)
0.20 (5.0)
0.125 (3.18)
0.15 (3.8)
LEADS ARE SOLDER OR TIN-PLATED KOVAR OR ALLOY 42
0.003
0.076)
PIN 1
0.020
(0.51)
MAX
20
0.016 (0.41)
LEAD NO. 1 IDENTIFIED BY DOT OR NOTCH.
0.02 (0.5)
1
Plastic Leaded Chip Carrier
(2.665
4
8
(9.905
0.105
0.390
9
(PINS DOWN)
3
TOP VIEW
0.935 (23.75)
IDENTIFIER
0.97 (24.64)
0.11 (2.79)
0.09 (2.28)
PIN 1
20-Lead Cerdip
0.015
0.375)
0.005
0.125)
20-Terminal
19
13
0.070 (1.78)
0.030 (0.76)
18
14
(P-20A)
(Q-20)
SQ
SQ
11
10
0.050
(1.27)
BSC
0.060 (1.52)
0.015 (0.38)
0.310 (7.87)
0.220 (5.59)
(4.385
0.173
SEATING
PLANE
(2.665
0.105
0.150
(3.81)
MIN
0.008
0.185)
0.015
0.375)
15°
0.320 (8.13)
0.290 (7.37)
(0.737
(0.432
0.025
(0.64) MIN
0.029
0.020
(0.51) MIN
0.017
0.015 (0.38)
0.008 (0.20)
0.003
0.076)
0.004
0.101)
Page

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