參數(shù)資料
型號(hào)： AD974
廠(chǎng)商： Analog Devices, Inc.
英文描述： 4-Channel, 16-Bit, 200 kSPS Data Acquisition System
中文描述： 4通道，16位，200 kSPS的數(shù)據(jù)采集系統(tǒng)
文件頁(yè)數(shù)： 4/20頁(yè)
文件大小： 202K
代理商： AD974
REV. A
AD974
–4–
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD974 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
ABSOLUTE MAXIMUM RATINGS
1
Analog Inputs
VxA, VxB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
25 V
CAP . . . . . . . . . . . . . . . . +V
ANA
+ 0.3 V to AGND2 – 0.3 V
REF . . . . . . . . . . . . . . . . . . . . Indefinite Short to AGND2,
Momentary Short to V
ANA
Ground Voltage Differences
DGND, AGND1, AGND2 . . . . . . . . . . . . . . . . . . .
±
0.3 V
SupplyVoltages
V
ANA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7 V
V
DIG
to V
ANA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
7 V
V
DIG
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7 V
Digital Inputs . . . . . . . . . . . . . . . . . . . –0.3 V to V
DIG
+ 0.3 V
InternalPowerDissipation
2
PDIP (N), SOIC (R), SSOP (RS) . . . . . . . . . . . . . 700 mW
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . .+150
°
C
Storage Temperature Range N, R . . . . . . . . –65
°
C to +150
°
C
Lead Temperature Range
(Soldering10sec) . . . . . . . . . . . . . . . . . . . . . . . . . .+300
°
C
NOTES
1
Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2
Specification is for device in free air:
28-Lead PDIP:
θ
JA
= 100
°
C/W,
θ
JC
= 31
°
C/W
28-Lead SOIC:
θ
JA
= 75
°
C/W,
θ
JC
= 24
°
C/W
28-Lead SSOP:
θ
JA
= 109
°
C/W,
θ
JC
= 39
°
C/W
PIN CONFIGURATION
SOIC, DIP AND SSOP
TOP VIEW
(Not to Scale)
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
AD974
DGND
EXT/
INT
PWRD
V
DIG
R
/
C
AGND2
REF
AGND1
V3A
V3B
V4A
CAP
BIP
V4B
SYNC
DATACLK
DATA
WR2
WR1
CS
BUSY
V2B
V2A
V1B
V1A
A1
A0
V
ANA
TO OUTPUT
PIN
C
L
100pF
I
OL
+1.4V
I
OH
1.6mA
500
m
A
Figure 1. Load Circuit for Digital Interface Timing
ORDERING GUIDE
Temperature
Range
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
Package
Description
Package
Options
Model
Max INL
±
3.0 LSB
±
2.0 LSB
±
3.0 LSB
±
2.0 LSB
±
3.0 LSB
±
2.0 LSB
Min S/(N+D)
AD974AN
AD974BN
AD974AR
AD974BR
AD974ARS
AD974BRS
83 dB
85 dB
83 dB
85 dB
83 dB
85 dB
28-Lead Plastic DIP
28-Lead Plastic DIP
28-Lead SOIC
28-Lead SOIC
28-Lead SSOP
28-Lead SSOP
N-28B
N-28B
R-28
R-28
RS-28
RS-28
相關(guān)PDF資料
PDF描述
AD974AN 4-Channel, 16-Bit, 200 kSPS Data Acquisition System
AD974AR 4-Channel, 16-Bit, 200 kSPS Data Acquisition System
AD974BN 4-Channel, 16-Bit, 200 kSPS Data Acquisition System
AD974BR 4-Channel, 16-Bit, 200 kSPS Data Acquisition System
AD974BRS 4-Channel, 16-Bit, 200 kSPS Data Acquisition System
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