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參數(shù)資料
| 型號(hào)： | MAX1459AAP+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | 2-Wire, 4-20mA Smart Signal Conditioner |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO20 |
| 封裝： | 5.30 MM, 0.65 MM PITCH, SSOP-20 |
| 文件頁數(shù)： | 13/24頁 |
| 文件大小： | 243K |
| 代理商： | MAX1459AAP+T |
MAX1459
placed close to the pressure sensor, can cause exces-
sive errors. Of particular concern is an extremely long
sensor-output settling time.
Nonlinearity Compensation
RTEMP can be used in conjunction with RISRC and
RFTC to compensate for sensor nonlinearity. For more
information on this application, refer to the MAX1459
Reference Manual.
Test System Configuration
The MAX1459 is designed to support an automated
production pressure-temperature test system with inte-
grated calibration and temperature compensation.
Figure 15 shows the implementation concept for a low-
cost test system capable of testing multiple transducer
modules connected in parallel. Three-state outputs on
the MAX1459 allow for parallel connection of transduc-
ers. A digital multiplexer controls the chip-select signal
for each transducer. The test system shown in Figure
15 includes a dedicated test bus consisting of five
wires:
Two power-supply lines
One analog output voltage line from the transducers
to a system DVM
Two serial-interface lines: DIO (input/output) and
SCLK (clock)
MAX1459 Evaluation
____________________________________Development Kit
To expedite the development of MAX1459-based trans-
ducers and test systems, Maxim has produced the
MAX1459 evaluation kit (EV kit). First-time users of
the MAX1459 are strongly encouraged to use this
kit. The MAX1459 EV kit is designed to facilitate manu-
al programming of the MAX1459 and includes the fol-
lowing:
1) Evaluation Board with a silicon pressure sensor.
2-Wire, 4–20mA
Smart Signal Conditioner
20
______________________________________________________________________________________
MAX1459
VDD
VSS
RB
RC
RD
1F
IDD ~ 3mA
ROFF
AUXILIARY OP AMP
(INTERNAL TO MAX1459)
0.1F
MAX875
VCC
GND
5V
G
S
D
Q2
100
PN4391
0.1F
1F
CF
GND
RSENSE
50
RY
B
E
C
2N2222
Q1
RX
TransZorb
VIN+
4–20mA
12V–40V
Ci
VIN-
Figure 14. 2-Wire, 4–20mA Circuit
TransZorb is a trademark of General Semiconductor Industries,
Inc.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1459CAP+ | 2-Wire, 4-20mA Smart Signal Conditioner |
| MAX1459AAP+ | 2-Wire, 4-20mA Smart Signal Conditioner |
| MAX147BEAP+ | +2.7V, Low-Power, 8-Channel, Serial 12-Bit ADCs |
| MAX147BEAP+T | +2.7V, Low-Power, 8-Channel, Serial 12-Bit ADCs |
| MAX147BCPP+ | +2.7V, Low-Power, 8-Channel, Serial 12-Bit ADCs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1459CAP+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX1459CAP+T | 制造商:Maxim Integrated Products 功能描述:SMART SGNL CONDITIONER 20SSOP - Tape and Reel |
| MAX1459CAP-T | 制造商:Maxim Integrated Products 功能描述:#EMPTY - Tape and Reel |
| MAX145ACPA | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX145ACPA+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 108ksps 5.25V High Speed ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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