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参数资料
| 型号： | AD7837BR |
| 厂商： | Analog Devices Inc |
| 文件页数： | 8/12页 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT DUAL MULT 24-SOIC |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 产品变化通告： | Product Discontinuance 27/Oct/2011 |
| 标准包装： | 1 |
| 设置时间： | 4µs |
| 位数： | 12 |
| 数据接口： | 并联 |
| 转换器数目： | 2 |
| 电压电源： | 双 ± |
| 功率耗散（最大）： | 210mW |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 管件 |
| 输出数目和类型： | 2 电压，单极；2 电压，双极 |
| 采样率（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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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7837BR/883B | 制造商:AD 制造商全称:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837BR883B | 制造商:AD 制造商全称:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837BR-883B | 制造商:AD 制造商全称:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837BRN | 制造商:AD 制造商全称:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837BRQ | 制造商:AD 制造商全称:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
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