參數(shù)資料
型號(hào)： AD7224KR-1
廠商： ANALOG DEVICES INC
元件分類： DAC
英文描述： LC2MOS 8-Bit DAC with Output Amplifiers
中文描述： PARALLEL, 8 BITS INPUT LOADING, 8-BIT DAC, PDSO20
封裝： SOIC-20
文件頁數(shù)： 4/8頁
文件大?。?/td> 228K
代理商： AD7224KR-1
AD7224
REV. B
–4–
ABSOLUT E MAX IMUM RAT INGS
1
V
DD
to AGND . . . . . . . . . . . . . . . . . . . . . . . . . .–0.3 V, +17 V
V
DD
to DGND . . . . . . . . . . . . . . . . . . . . . . . . . .–0.3 V, +17 V
V
DD
to V
SS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .–0.3 V, +24 V
AGND to DGND . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, V
DD
Digital Input Voltage to DGND . . . . . . . –0.3 V, V
DD
+ 0.3 V
V
REF
to AGND . . . . . . . . . . . . . . . . . . . . –0.3 V, V
DD
+ 0.3 V
V
OUT
to AGND
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . V
SS
, V
DD
Power Dissipation (Any Package) to +75
°
C . . . . . . . . 450 mW
Derates above 75
°
C by . . . . . . . . . . . . . . . . . . . . . 6 mW/
°
C
Operating T emperature
Commercial (K , L Versions) . . . . . . . . . . . –40
°
C to +85
°
C
Industrial (B, C Versions) . . . . . . . . . . . . . –40
°
C to +85
°
C
Extended (T , U Versions) . . . . . . . . . . . . –55
°
C to +125
°
C
Storage T emperature . . . . . . . . . . . . . . . . . . –65
°
C to +150
°
C
Lead T emperature (Soldering, 10 secs) . . . . . . . . . . . +300
°
C
NOT ES
1
Stresses above those listed under “Absolute Maximum Ratings” may cause
permanent damage to the device. T his is a stress rating only and functional
operation of the device at these or any other conditions above those indicated in
the operational sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
2
T he outputs may be shorted to AGND provided that the power dissipation of the
package is not exceeded. T ypically short circuit current to AGND is 60 mA.
ORDE RING GUIDE
T otal
Unadjusted
E rror (LSB)
T emperature
Range
Package
Option
2
Model
1
AD7224K N
AD7224LN
AD7224K P
AD7224LP
AD7224K R-1
AD7224LR-1
AD7224K R-18
AD7224LR-18
AD7224BQ
AD7224CQ
AD7224T Q
AD7224UQ
AD7224T E
AD7224UE
–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
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–55
°
C to +125
°
C
–55
°
C to +125
°
C
–55
°
C to +125
°
C
–55
°
C to +125
°
C
±
2 max
±
1 max
±
2 max
±
1 max
±
2 max
±
1 max
±
2 max
±
1 max
±
2 max
±
1 max
±
2 max
±
1 max
±
2 max
±
1 max
N-18
N-18
P-20A
P-20A
R-20
R-20
R-18
R-18
Q-18
Q-18
Q-18
Q-18
E-20A
E-20A
NOT ES
1
T o order MIL-ST D-883 processed parts, add /883B to part number.
Contact your local sales office for military data sheet.
2
E = Leadless Ceramic Chip Carrier; N = Plastic DIP;
P = Plastic Leaded Chip Carrier; Q = Cerdip; R = SOIC.
WARNING!
ESD SENSITIVE DEVICE
C AUT ION
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 AD7224 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. T herefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
PIN CONFIGURAT IONS
DIP and SOIC
(SOIC )
(SOIC )
V
SS
V
OUT
V
DD
RESET
DGND
(MSB) DB7
DB6
DB0 (LSB)
DB1
V
REF
AGND
LDAC
DB5
DB2
DB4
DB3
CS
WR
1
2
18
17
5
6
7
14
13
12
3
4
16
15
8
11
9
10
TOP VIEW
(Not to Scale)
AD7224
V
SS
V
OUT
V
DD
RESET
DGND
(MSB) DB7
DB6
DB0 (LSB)
DB1
V
REF
AGND
LDAC
DB5
DB2
DB4
DB3
CS
WR
1
2
18
17
5
6
7
14
13
12
3
4
16
15
8
11
9
10
TOP VIEW
(Not to Scale)
AD7224
R-18
NC = NO CONNECT
V
SS
V
OUT
V
DD
RESET
DGND
(MSB) DB7
DB6
CS
DB0 (LSB)
DB1
V
REF
AGND
LDAC
WR
DB5
DB2
DB4
DB3
NC
NC
1
2
20
19
5
6
7
16
15
14
3
4
18
17
8
13
9
12
10
11
TOP VIEW
(Not to Scale)
AD7224
R-20
LC C C
PLC C
NC = NO CONNECT
V
REF
AGND
DB6
DGND
(MSB) DB7
V
O
3
V
S
2
R
19
N
1
V
D
20
D
D
D
N
D
LDAC
WR
DB1
CS
DB0 (LSB)
4
5
8
6
7
12 13
9
11
10
18
17
14
16
15
TOP VIEW
(Not to Scale)
AD7224
NC = NO CONNECT
V
REF
AGND
DB6
DGND
(MSB) DB7
V
O
V
S
R
N
V
D
D
D
D
N
D
LDAC
WR
DB1
CS
DB0 (LSB)
19
3
1
2
20
4
5
8
6
7
12
13
9
11
10
18
17
14
16
15
TOP VIEW
(Not to Scale)
AD7224
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