AD7891(RevA) 查看數據表（PDF） - Analog Devices
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AD7891 Datasheet PDF : 20 Pages
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AD7891
ORDERING GUIDE
Model
Input Ranges
Sample Rate Relative Accuracy Temperature Range
AD7891AS-1
AD7891AP-1
AD7891BS-1
AD7891BP-1
AD7891YS-1
AD7891YP-1
AD7891AS-2
AD7891AP-2
AD7891BS-2
AD7891BP-2
AD7891YS-2
± 5 V or ± 10 V
± 5 V or ± 10 V
± 5 V or ± 10 V
± 5 V or ± 10 V
± 5 V or ± 10 V
± 5 V or ± 10 V
0 V to +5 V, 0 V to +2.5 V
or ±2.5 V
0 V to +5 V, 0 V to +2.5 V
or ±2.5 V
0 V to +5 V, 0 V to +2.5 V
or ±2.5 V
0 V to +5 V, 0 V to +2.5 V
or ±2.5 V
0 V to +5 V, 0 V to +2.5 V
or ±2.5 V
454 kSPS
454 kSPS
454 kSPS
454 kSPS
454 kSPS
454 kSPS
500 kSPS
500 kSPS
500 kSPS
500 kSPS
500 kSPS
± 1 LSB
± 1 LSB
± 0.75 LSB
± 0.75 LSB
± 1 LSB
± 1 LSB
± 1 LSB
± 1 LSB
± 0.75 LSB
± 0.75 LSB
± 1 LSB
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–55°C to +105°C
–55°C to +105°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–55°C to +105°C
*S = Plastic Quad Flatpack (PQFP); P = Plastic Leaded Chip Carrier (PLCC).
Package Options*
S-44
P-44A
S-44
P-44A
S-44
P-44A
S-44
P-44A
S-44
P-44A
S-44
PLCC
PIN CONFIGURATIONS
PQFP
REF GND 7
NC 8
REF OUT/REF IN 9
VDD 10
AGND 11
MODE 12
DB11/TEST 13
DB10/TEST 14
DB9/TFS 15
DB8/RFS 16
DB7/DATA IN 17
6 5 4 3 2 1 44 43 42 41 40
PIN 1
IDENTIFIER
AD7891 PLCC
TOP VIEW
(Not to Scale)
39 VIN6A
38 VIN6B
37 VIN7A
36 VIN7B
35 VIN8A
34 VIN8B
33 AGND
32 EOC
31 NC
30 CONVST
29 CS
18 19 20 21 22 23 24 25 26 27 28
NC = NO CONNECT
44 43 42 41 40 39 38 37 36 35 34
REF GND 1
NC 2
REF OUT/REF IN 3
VDD 4
AGND 5
MODE 6
DB11/TEST 7
DB10/TEST 8
DB9/TFS 9
DB8/RFS 10
DB7/DATA IN 11
PIN 1
IDENTIFIER
AD7891 PQFP
TOP VIEW
(Not to Scale)
33 VIN6A
32 VIN6B
31 VIN7A
30 VIN7B
29 VIN8A
28 VIN8B
27 AGND
26 EOC
25 NC
24 CONVST
23 CS
12 13 14 15 16 17 18 19 20 21 22
NC = NO CONNECT
REV. A
–5–
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