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參數(shù)資料
| 型號： | AD744 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Precision, 500 ns Settling BiFET Op Amp |
| 中文描述： | 精密，500納秒的建立BiFET運(yùn)算放大器 |
| 文件頁數(shù)： | 8/24頁 |
| 文件大小： | 914K |
| 代理商： | AD744 |
REV. PrF
PRELIMINARY TECHNICAL DATA
–8–
AD7450A/AD7440
PIN CONFIGURATION 8-LEAD MSOP
PIN FUNCTION DESCRIPTION
Pin Mnemonic Function
V
REF
Reference Input for the AD7450A/AD7440. An external reference must be applied to this input. For a
5 V powersupply, the reference is 2.5 V (±1%) and for a 3 V power supply, the reference is 2V (±1%)
for specified performance. This pin should be decoupled to GND with a capacitor of at least 0.1μF.
See the ‘Reference Section’ for more details.
Positive Terminal for Differential Analog Input.
Negative Terminal for Differential Analog Input.
Analog Ground. Ground reference point for all circuitry on the AD7450A/AD7440. All analog input
signals and any external reference signal should be referred to this GND voltage.
Chip Select. Active low logic input. This input provides the dual function of initiating a conversion on
the AD7450A/AD7440 and framing the serial data transfer.
Serial Data. Logic Output. The conversion result from the AD7450A/AD7440 is provided on this out-
put as a serial data stream. The bits are clocked out on the falling edge of the SCLK input. The data
stream of the AD7450A consists of four leading zeros followed by the 12 bits of conversion data which
are provided MSB first; the data stream of the AD7440 consists of four leading zeros, followed by the
10-bits of conversion data, followed by two trailing zeros. In both cases, the output coding is two’s
complement.
Serial Clock. Logic input. SCLK provides the serial clock for accessing data from the part. This clock
input is also used as the clock source for the conversion process.
Power Supply Input. V
DD
is 3 V (+20%/-10%) or 5 V (±5%). This supply should be decoupled to
GND with a 0.1μF Capacitor and a 10μF Tantalum Capacitor in parallel.
V
IN+
V
IN-
GND
C S
SDATA
SCLK
V
DD
PIN CONFIGURATION 8-LEAD SOT-23
AD7450A/AD7440
SOT-23
TOP VIEW
(Not to Scale)
1
2
3
4
5
6
7
8
VREF
VIN +
VIN -
GND
SDATA
SCLK
VDD
AD7450A/AD7440
MSOP
TOP VIEW
(Not to Scale)
1
2
3
4
5
6
7
8
VREF
VIN +
VIN -
GND
SDATA
SCLK
VDD
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7440 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Differential Input, 1 MSPS 10-Bit and 12-Bit ADCs in an 8-Lead SOT-23 |
| AD7440BRM | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 10-bit Serial 8-Pin MSOP 制造商:Analog Devices 功能描述:ADC SGL SAR 1MSPS 10-BIT SERL 8MSOP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:10-BIT DIFF I/PUT, 1MSPS SAR ADC I.C. - Bulk 制造商:Analog Devices 功能描述:10BIT SAR ADC DIFF I/P SMD 7440 |
| AD7440BRM-REEL7 | 功能描述:IC ADC 10BIT W/DIFF INP 8-MSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| AD7440BRMZ | 功能描述:IC ADC 10BIT DIFF IN 1MSPS 8MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:155mW 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個單端，單極；2 個差分，單極 產(chǎn)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
| AD7440BRMZ2 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Differential Input, 1 MSPS ADCs in an 8-Lead SOT-23 |
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