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| 型号： | AD7945BRZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 14/16页 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT MULT PARALL 20SOIC |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 标准包装： | 1,000 |
| 设置时间： | 600ns |
| 位数： | 12 |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 25µW |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 20-SOIC W |
| 包装： | 带卷 (TR) |
| 输出数目和类型： | 1 电流，单极；1 电流，双极 |
| 采样率（每秒）： | 1.7M |
AD7943/AD7945/AD7948
REV. B
–7–
ORDERING GUIDE
Temperature
Linearity
Nominal
Package
Model
Range
Error (LSBs)
Supply Voltage
Option
1
AD7943BN
–40
°C to +85°C
±0.5
+5 V
N-16
AD7943BR
–40
°C to +85°C
±0.5
+5 V
R-16
AD7943BRS
–40
°C to +85°C
±0.5
+5 V
RS-20
AD7943AN-B
–40
°C to +85°C
±1
+3.3 V to +5 V
N-16
AD7943ARS-B
–40
°C to +85°C
±1
+3.3 V to +5 V
RS-20
AD7945BN
–40
°C to +85°C
±0.5
+5 V
N-20
AD7945BR
–40
°C to +85°C
±0.5
+5 V
R-20
AD7945BRS
–40
°C to +85°C
±0.5
+5 V
RS-20
AD7945AN-B
–40
°C to +85°C
±1
+3.3 V to +5 V
N-20
AD7945ARS-B
–40
°C to +85°C
±1
+3.3 V to +5 V
RS-20
AD7945TQ
–55
°C to +125°C
±1
+5 V
Q-20
AD7948BN
–40
°C to +85°C
±0.5
+5 V
N-20
AD7948BR
–40
°C to +85°C
±0.5
+5 V
R-20
AD7948BRS
–40
°C to +85°C
±0.5
+5 V
RS-20
AD7948AN-B
–40
°C to +85°C
±1
+3.3 V to +5 V
N-20
AD7948ARS-B
–40
°C to +85°C
±1
+3.3 V to +5 V
RS-20
NOTE
1N = Plastic DIP; R = SOP (Small Outline Package); RS = SSOP (Shrink Small Outline Package); Q = Cerdip.
ABSOLUTE MAXIMUM RATINGS
1
(TA = +25
°C unless otherwise noted)
VDD to DGND . . . . . . . . . . . . . . . . . . . . . . . . . .–0.3 V to +6 V
IOUT1 to DGND . . . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V
IOUT2 to DGND . . . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V
AGND to DGND . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V
Digital Input Voltage to DGND . . . . . . –0.3 V to VDD + 0.3 V
VRFB, VREF to DGND . . . . . . . . . . . . . . . . . . . . . . . . . .
±15 V
Input Current to Any Pin Except Supplies
2
. . . . . . . .
±10 mA
Operating Temperature Range
Industrial (A, B Versions) . . . . . . . . . . . . . –40
°C to +85°C
Extended (T Version) . . . . . . . . . . . . . . . –55
°C to +125°C
Storage Temperature Range . . . . . . . . . . . . –65
°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . +150
°C
DIP Package, Power Dissipation . . . . . . . . . . . . . . . . 670 mW
θ
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 116
°C/W
Lead Temperature, Soldering, (10 sec) . . . . . . . . . . +260
°C
SOP Package, Power Dissipation . . . . . . . . . . . . . . . . . 450 mW
θ
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 75
°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . +215
°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . +220
°C
SSOP Package, Power Dissipation . . . . . . . . . . . . . . . . 875 mW
θ
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 132
°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . +215
°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . +220
°C
NOTES
1Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational sections
of this specification is not implied.
Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2Transient currents of up to 100 mA will not cause SCR latch-up.
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD7943/AD7945/AD7948 feature proprietary ESD protection circuitry, perma-
nent damage may occur on devices subjected to high energy electrostatic discharges. Therefore,
proper ESD precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
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