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參數(shù)資料
| 型號： | DAC8413FPCZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 9/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT QUAD V-OUT 28PLCC |
| 產(chǎn)品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 產(chǎn)品變化通告： | DAC8412/3 Redesign and Fab Process Change 01/Oct/2009 |
| 標準包裝： | 750 |
| 設置時間： | 6µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 4 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 330mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-LCC（J 形引線） |
| 供應商設備封裝： | 28-PLCC（11.51x11.51） |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 4 電壓，單極；4 電壓，雙極 |
| 采樣率（每秒）： | 167k |
Data Sheet
DAC8412/DAC8413
Rev. G | Page 17 of 20
The 0.2 μF bypass capacitors shown at the reference inputs in
Figure 40 should be used whenever ±10 V references are used.
Applications with single references or references to ±5 V may
not require the 0.2 μF bypassing. The 6.2 Ω resistor in series
with the output of the reference amplifier keeps the amplifier
from oscillating with the capacitive load. This 6.2 Ω resistor has
been found to be large enough to stabilize this circuit. Larger
resistor values are acceptable, provided that the drop across the
resistor does not exceed VBE. Assuming a minimum VBE of 0.6 V
and a maximum current of 2.75 mA, then the resistor should be
under 200 Ω for the loading of a single DAC8412.
Using two separate references is not recommended. Having two
references can cause different drifts with time and temperature;
whereas with a single reference, most drifts track.
Unipolar positive full-scale operation can usually be set with a
reference with the correct output voltage. This is preferable to
using a reference and dividing down to the required value. For a
10 V full-scale output, the circuit can be configured as shown in
Figure 41. In this configuration, the full-scale value is set first by
adjusting the 10 kΩ resistor for a full-scale output of 9.9976 V.
10k
0.01F
10F
–15V
GND
TRIM
OUTPUT
VOLTAGE
REFERENCE
0.2F
VREFL
VREFH
DAC8412
OR
DAC8413
0.1F
//10F
ZERO TO –10V OPERATION
VDD
VSS
0
027
4-
0
42
Figure 41. Unipolar –10 V Operation
Figure 41 shows the DAC8412 configured for –10 V to 0 V
operation. A –10 V full-scale output voltage reference is
connected directly to VREFL for the reference voltage.
SINGLE +5 V SUPPLY OPERATION
For operation with a 5 V supply, the reference voltage should be
set between 1.0 V and 2.5 V for optimum linearity. Figure 42
shows a REF43 used to supply a 2.5 V reference voltage. The
headroom of the reference and DAC are both sufficient to support
a 5 V supply with ±5% tolerance. VDD and VLOGIC should be
connected to the same supply. Separate bypassing to each pin
should also be used.
5V
INPUT
OUTPUT
GND
TRIM
REF43
ZERO TO 2.5V OPERATION
SINGLE 5V SUPPLY
10k
0.2F
VREFL
VREFH
DAC8412
OR
DAC8413
0.1F
//10F
10F
0.01F
VDD
VSS
00
27
4-
0
43
Figure 42. +5 V Single-Supply Operation
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DAC8413FPZ | 功能描述:IC DAC 12BIT QUAD V-OUT 28DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 標準包裝:1 系列:- 設置時間:4.5µs 位數(shù):12 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOICN 包裝:剪切帶 (CT) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
| dac8413ft | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述: |
| DAC8413FTC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:12-Bit Digital-to-Analog Converter |
| DAC8420 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Quad 12-Bit Serial Voltage Output DAC |
| DAC8420_07 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Quad 12-Bit Serial Voltage Output DAC |
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