- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄8619 > AD5545CRUZ-REEL7 (Analog Devices Inc)IC DAC 16BIT SRL DUAL 16TSSOP PDF資料下載
參數(shù)資料
| 型號： | AD5545CRUZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 5/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 16BIT SRL DUAL 16TSSOP |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 設(shè)置時(shí)間： | 500ns |
| 位數(shù)： | 16 |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 55µW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-TSSOP |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 2 電流，單極；2 電流，雙極 |
| 采樣率（每秒）： | 2M |
Data Sheet
AD5545/AD5555
Rev. G | Page 13 of 24
PROGRAMMABLE CURRENT SOURCE
Figure 24 shows a versatile V-to-I conversion circuit using
improved Howland Current Pump. In addition to the precision
current conversion it provides, this circuit enables a bidirec-
tional current flow and high voltage compliance. This circuit
can be used in a 4 mA to 20 mA current transmitter with up to
a 500 of load. In Figure 24, it shows that if the resistor
network is matched, the load current is
(
)
D
V
R3
R1
R3
R2
I
REF
L
×
+
=
(5)
R3, in theory, can be made small to achieve the current needed
within the U3 output current driving capability. This circuit is
versatile such that the AD8510 can deliver ±20 mA in both
directions, and the voltage compliance approaches 15 V, which
is mainly limited by the supply voltages of U3. However, users
must pay attention to the compensation. Without C1, it can be
shown that the output impedance becomes
(
)
(
)
(
)
R3
R2
1
R
3
R
2
R
R1
R2
R1
R3
1
R
ZO
+
′
+
′
+
′
=
–
(6)
If the resistors are perfectly matched, ZO is infinite, which is
desirable, and the resistors behave as an ideal current source.
On the other hand, if they are not matched, ZO can be either
positive or negative. The latter can cause oscillation. As a result,
C1 is needed to prevent the oscillation. For critical applications,
C1 could be found empirically but typically falls in the range of
a few picofarads.
AD5545/AD5555
AD8628
AD8510
VREF
IOUT
VDD
C1
10pF
VSS
LOAD
GND
02918- 0- 023
VL
IL
RFB
U2
U3
U1
V+
V–
R3'
50
R1'
150k
R2'
15k
R1
150k
R2
15k
R3
50
Figure 24. Programmable Current Source with Bidirectional
Current Control and High Voltage Compliance Capabilities
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| VE-JNH-MW-S | CONVERTER MOD DC/DC 52V 100W |
| LTC1650CS | IC D/A CONV 16BIT R-R 16-SOIC |
| LTC1650CS#TRPBF | IC D/A CONV 16BIT R-R 16-SOIC |
| LTC2751BIUHF-16#PBF | IC DAC 16BIT CUR OUT 38-QFN |
| AD5678ARUZ-2REEL7 | IC DAC 12/16BIT SPI/SRL 16TSSOP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD5546 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Current Output, Parallel Input, 16-/14-Bit Multiplying DACs with 4-Quadrant Resistors |
| AD5546BRU | 功能描述:IC DAC 16BIT PARALL IN 28-TSSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Data Converter Fundamentals DAC Architectures 標(biāo)準(zhǔn)包裝:750 系列:- 設(shè)置時(shí)間:7µs 位數(shù):16 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 電壓電源:雙 ± 功率耗散（最大）:100mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-LCC（J 形引線） 供應(yīng)商設(shè)備封裝:28-PLCC（11.51x11.51） 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:143k |
| AD5546BRU-REEL7 | 功能描述:IC DAC 16BIT PAR IN 28-TSSOP TR RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Data Converter Fundamentals DAC Architectures 標(biāo)準(zhǔn)包裝:750 系列:- 設(shè)置時(shí)間:7µs 位數(shù):16 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 電壓電源:雙 ± 功率耗散（最大）:100mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-LCC（J 形引線） 供應(yīng)商設(shè)備封裝:28-PLCC（11.51x11.51） 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:143k |
| AD5546BRUZ | 功能描述:IC DAC 16BIT PARALL IN 28-TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 設(shè)置時(shí)間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁面:1398 (CN2011-ZH PDF) |
| AD5546BRUZ | 制造商:Analog Devices 功能描述:16BIT DAC PARALLEL O/P SMD 5546 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。