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參數(shù)資料
| 型號： | AD7847BRZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT DUAL MULT 24-SOIC |
| 產(chǎn)品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 1,000 |
| 設置時間： | 4µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 電壓電源： | 雙 ± |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 24-SOIC W |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 2 電壓，單極；2 電壓，雙極 |
| 采樣率（每秒）： | 250k |
AD7837/AD7847
REV. C
–5–
AD7847 PIN FUNCTION DESCRIPTION (DIP AND SOIC PIN NUMBERS)
Pin
Mnemonic
Description
11
CSA
Chip Select Input for DAC A. Active low logic input. DAC A is selected when this input is low.
12
CSB
Chip Select Input for DAC B. Active low logic input. DAC B is selected when this input is low.
13VREFA
Reference Input Voltage for DAC A. This may be an ac or dc signal.
14VOUTA
Analog Output Voltage from DAC A.
15
AGNDA
Analog Ground for DAC A.
16VDD
Positive Power Supply.
17VSS
Negative Power Supply.
18
AGNDB
Analog Ground for DAC B.
19VOUTB
Analog Output Voltage from DAC B.
10
VREFB
Reference Input Voltage for DAC B. This may be an ac or dc signal.
11
DGND
Digital Ground.
12
DB11
Data Bit 11 (MSB).
13
WR
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.
14–24
DB10–DB0
Data Bit 10 to Data Bit 0 (LSB).
AD7837 PIN CONFIGURATION
AD7847 PIN CONFIGURATION
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
VOUTA
VREFA
RFBA
CS
VDD
VSS
AGNDB
VOUTB
VREFB
DGND
RFBB
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
VOUTA
VREFA
CSB
CSA
VDD
VSS
AGNDB
VOUTB
VREFB
DGND
DB11
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| AD7847SQ | 制造商:Rochester Electronics LLC 功能描述:LC2MOS COMPLETE, DUAL 12-BIT MDAC, PARALLEL LOADING STRUCTUR - Bulk 制造商:Analog Devices 功能描述: |
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