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參數資料
| 型號： | AD7837BQ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | 2.7V-5.25V Digital, 5V Analog, 14 Bit, 1.25 MSPS, Serial ADC w/Ref 48-TQFP -40 to 85 |
| 中文描述： | DUAL, PARALLEL, WORD INPUT LOADING, 3 us SETTLING TIME, 12-BIT DAC, CDIP24 |
| 封裝： | 0.300 INCH, GLASS SEALED, CERDIP-24 |
| 文件頁數： | 5/12頁 |
| 文件大小： | 187K |
| 代理商： | AD7837BQ |
AD7837/AD7847
REV. C
–5–
AD7847 PIN FUNCTION DESCRIPTION (DIP AND SOIC PIN NUMBERS)
Pin
Mnemonic
Description
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
10
11
12
13
CSA
CSB
V
REFA
V
OUTA
AGNDA
V
DD
V
SS
AGNDB
V
OUTB
V
REFB
DGND
DB11
WR
Chip Select Input for DAC A. Active low logic input. DAC A is selected when this input is low.
Chip Select Input for DAC B. Active low logic input. DAC B is selected when this input is low.
Reference Input Voltage for DAC A. This may be an ac or dc signal.
Analog Output Voltage from DAC A.
Analog Ground for DAC A.
Positive Power Supply.
Negative Power Supply.
Analog Ground for DAC B.
Analog Output Voltage from DAC B.
Reference Input Voltage for DAC B. This may be an ac or dc signal.
Digital Ground.
Data Bit 11 (MSB).
Write Input.
WR
is a positive edge triggered input which is used in conjunction with
CSA
and
CSB
to write data to the DAC latches.
Data Bit 10 to Data Bit 0 (LSB).
14–24
DB10–DB0
AD7837 PIN CONFIGURATION AD7847 PIN CONFIGURATION
DIP AND SOIC DIP AND SOIC
TOP VIEW
(Not to Scale)
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
AD7837
AGNDA
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
A0
A1
LDAC
WR
V
OUTA
V
REFA
R
FBA
CS
V
DD
V
SS
AGNDB
V
OUTB
V
REFB
DGND
R
FBB
TOP VIEW
(Not to Scale)
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
AD7847
AGNDA
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
WR
V
OUTA
V
REFA
CSB
CSA
V
DD
V
SS
AGNDB
V
OUTB
V
REFB
DGND
DB11
相關PDF資料 |
PDF描述 |
|---|---|
| AD7837BR | LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837SQ | 2.7V-5.25V Digital, 5V Analog, 14 Bit, 1.25 MSPS, Serial ADC w/Ref 48-TQFP -40 to 85 |
| AD7847 | LC2MOS Complete, Dual 12-Bit MDACs |
| AD7847AN | LC2MOS Complete, Dual 12-Bit MDACs |
| AD7847AQ | LC2MOS Complete, Dual 12-Bit MDACs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7837BQ/883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837BQ883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837BQ-883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837BQN | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837BQQ | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
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