參數(shù)資料
型號(hào)： AD5412ACPZ-REEL7
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 1/44頁(yè)
文件大小： 0K
描述： IC DAC 12BIT SER 40-LFCSP
設(shè)計(jì)資源： Simplified 12-Bit Voltage and 4 mA-to-20 mA Output Solution Using AD5412 (CN0097)
標(biāo)準(zhǔn)包裝： 1
設(shè)置時(shí)間： 25µs
位數(shù)： 12
數(shù)據(jù)接口： MICROWIRE?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
電壓電源： 模擬和數(shù)字，雙 ±
功率耗散（最大）： 128mW
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 40-VFQFN 裸露焊盤(pán)，CSP
供應(yīng)商設(shè)備封裝： 40-LFCSP-VQ（6x6）
包裝： 標(biāo)準(zhǔn)包裝
輸出數(shù)目和類(lèi)型： 1 電流，單極；1 電流，雙極；1 電壓，單極；1 電壓，雙極
采樣率（每秒）： 40k
產(chǎn)品目錄頁(yè)面： 782 (CN2011-ZH PDF)
其它名稱(chēng)： AD5412ACPZ-REEL7DKR
Single Channel, 12-/16-Bit, Serial Input, Current
Source and Voltage Output DACs, HART Connectivity
Data Sheet
Rev. I
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
2009–2013 Analog Devices, Inc. All rights reserved.
FEATURES
12-/16-bit resolution and monotonicity
Current output ranges: 4 mA to 20 mA, 0 mA to 20 mA,
0 mA to 24 mA
±0.01 % FSR typical total unadjusted error (TUE)
±3 ppm/°C output drift
Voltage output ranges: 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V
10% overrange
±0.01 % FSR typical total unadjusted error (TUE)
±2 ppm/°C output drift
Flexible serial digital interface
On-chip output fault detection
On-chip reference: 10 ppm/°C maximum
Optional regulated DVCC output
Asynchronous clear function
Power supply range
AVDD: 10.8 V to 40 V
AVSS: 26.4 V to 3 V/0 V
Output loop compliance: AVDD – 2.5 V
Temperature range: 40°C to +85°C
TSSOP and LFCSP packages
APPLICATIONS
Process control
Actuator control
PLC
HART network connectivity (LFCSP package only)
GENERAL DESCRIPTION
The AD5412/AD5422 are low-cost, precision, fully integrated
12-/16-bit digital-to-analog converters (DAC) offering a pro-
grammable current source and programmable voltage output
designed to meet the requirements of industrial process control
applications.
The output current range is programmable at 4 mA to 20 mA,
0 mA to 20 mA, or an overrange function of 0 mA to 24 mA.
The LFCSP version of this product has a CAP2 pin so that the
HART signals can be coupled onto the current output of the
Voltage output is provided from a separate pin that can be
configured to provide 0 V to 5 V, 0 V to 10 V, ±5 V, or ±10 V
output ranges; an overrange of 10% is available on all ranges.
Analog outputs are short and open-circuit protected and can
drive capacitive loads of 1 F.
The device operates with an AVDD power supply range from
10.8 V to 40 V. Output loop compliance is 0 V to AVDD 2.5 V.
The flexible serial interface is SPI- and MICROWIRE-
compatible and can be operated in 3-wire mode to minimize
the digital isolation required in isolated applications.
The device also includes a power-on-reset function, ensuring
that the device powers up in a known state. The part also
includes an asynchronous clear pin (CLEAR) that sets the
outputs to zero-scale/midscale voltage output or the low
end of the selected current range.
The total output error is typically ±0.01% in current mode and
±0.01% in voltage mode.
Table 1. Pin-Compatible Devices
Part Number
Description
Single channel, 12-bit, serial
input current source DAC
Single channel, 16-bit, serial
input current source DAC
COMPANION PRODUCTS
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AD5412BREZ 制造商:Analog Devices 功能描述:
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