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参数资料
| 型号： | AD872ASE |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | ADC |
| 英文描述： | Complete 12-Bit 10 MSPS Monolithic A/D Converter |
| 中文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQCC44 |
| 封装： | LCC-44 |
| 文件页数： | 5/20页 |
| 文件大小： | 330K |
| 代理商： | AD872ASE |
REV. A
–5–
AD872A
7
17
8
9
10
11
12
13
14
15
16
1
6
40
44
41
42
43
2
3
4
5
29
39
30
31
32
33
34
35
36
37
38
18
28
19
20
21
22
23
24
25
26
27
AD872A
TOP VIEW
(NOT TO SCALE)
OTR
R
MSB
AV
DD
NC
AGND
DGND
A
S
A
D
V
I
V
I
CLK
R
R
BIT 12 (LSB)
A
S
AGND
DRGND
DV
DD
BIT 11
B
B
B
B
B
B
B
B
B
DRV
DD
DRV
DD
OEN
DRGND
B
NC
NC
NC
NC
NC
NC
N
N
N
N
NC = NO CONNECT
PIN DE SCRIPT ION
DIP
Pin No.
LCC
Pin No.
Symbol
T ype
Name and Function
V
INA
V
INB
AV
SS
AV
DD
AGND
DGND
DV
DD
BIT 12 (LSB)
BIT 2–BIT 11
1
2
3, 25
4
5, 24
6, 23
7, 22
8
18–9
1
2
5, 40
6, 38
9, 36
10
33
16
26–17
AI
AI
P
P
P
P
P
DO
DO
(+) Analog Input Signal on the differential input amplifier.
(–) Analog Input Signal on the differential input amplifier.
–5 V Analog Supply.
+5 V Analog Supply.
Analog Ground.
Digital Ground.
+5 V Digital Supply.
Least Significant Bit.
Data Bits 2 through 11.
MSB
19
29
DO
Inverted Most Significant Bit. Provides twos complement output
data format.
Out of Range is Active HIGH on the leading edge of Code 0 or the
trailing edge of Code 4096. See Output Data Format T able III.
Clock Input. T he AD872A will initiate a conversion on the rising
edge of the clock input. See the T iming Diagram for details.
+2.5 V Reference Output. T ie to REF IN for normal operation.
Reference Ground.
Reference Input. +2.5 V input gives
±
1 V full-scale range.
+5 V Digital Supply for the output drivers.
No Connect.
OT R
20
30
DO
CLK
21
31
DI
REF OUT
REF GND
REF IN
DRV
DD
NC
26
27
28
N/A
N/A
41
42
43
12, 32
3, 4, 7, 8, 14, 15,
28, 35, 37, 39, 44
11, 34
AO
AI
AI
P
DRGND
N/A
P
Digital Ground for the output drivers. (See section on Power Supply
Decoupling for details on DRV
DD
and DRGND.)
Output Enable. See the T hree State Output T iming Diagram for details.
Most Significant Bit.
OEN
BIT 1
N/A
N/A
13
27
DI
DO
T YPE: AI = Analog Input; AO = Analog Output; DI = Digital Input; DO = Digital Output; P = Power; N/A = Not Available on 28-lead DIP. Only available on
44-terminal surface mount package.
PIN CONFIGURAT IONS
28-Lead Ceramic DIP
44-T erminal LCC
14
13
12
11
17
16
15
20
19
18
10
9
8
1
2
3
4
7
6
5
TOP VIEW
(Not to Scale)
28
27
26
25
24
23
22
21
AD872A
V
INA
AV
SS
REF OUT
REF GND
REF IN
V
INB
AV
SS
AV
DD
DV
DD
DGND
AGND
AGND
DGND
DV
DD
BIT 12 (LSB)
BIT 11
BIT 10
MSB
OTR
CLK
BIT 9
BIT 8
BIT 7
BIT 6
BIT 2
BIT 5
BIT 4
BIT 3
相关PDF资料 |
PDF描述 |
|---|---|
| AD872 | Complete 12-Bit 10MSPS Monolithic A/D Converter(12位10MSPS单片A/D转换器) |
| AD8801 | Octal 8-Bit TrimDAC with Power Shutdown(带电源关断的八路8位微调D/A转换器) |
| AD8803 | Octal 8-Bit TrimDAC with Power Shutdown(带电源关断八路8位微调D/A转换器) |
| AD8803AR | Octal 8-Bit TrimDAC with Power Shutdown |
| AD8803AN | Octal 8-Bit TrimDAC with Power Shutdown |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AD872ASE/883B | 制造商:Analog Devices 功能描述:ADC Single Pipelined 10Msps 12-bit Parallel 44-Pin LCC 制造商:Rochester Electronics LLC 功能描述:IC, 12-BIT 10 MSPS ADC - Bulk |
| AD872JD | 制造商:Analog Devices 功能描述: |
| AD872JE | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog-to-Digital Converter， 12-Bit |
| AD872SD | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog-to-Digital Converter， 12-Bit |
| AD872SD/883B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog-to-Digital Converter， 12-Bit |
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