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參數(shù)資料
| 型號： | AD7705EB |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Precision Zero-Drift Operational Amplifier with Internal Capacitors; Package: SO; No of Pins: 8; Temperature Range: 0°C to +70°C |
| 中文描述： | 3伏/ 5伏1毫瓦2-/3-Channel 16位Σ-Δ模數(shù)轉(zhuǎn)換器（264.12十一） |
| 文件頁數(shù)： | 6/32頁 |
| 文件大小： | 264K |
| 代理商： | AD7705EB |
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AD7705/AD7706
–6–
REV. A
PIN FUNCTION DESCRIPTIONS
Pin No.
Mnemonic
Function
1
SCLK
Serial Clock. Schmitt-Triggered Logic Input. An external serial clock is applied to this input
to access serial data from the AD7705/AD7706. This serial clock can be a continuous clock
with all data transmitted in a continuous train of pulses. Alternatively, it can be a noncon-
tinuous clock with the information being transmitted to the AD7705/AD7706 in smaller
batches of data.
Master Clock signal for the device. This can be provided in the form of a crystal/resonator or
external clock. A crystal/resonator can be tied across the MCLK IN and MCLK OUT pins.
Alternatively, the MCLK IN pin can be driven with a CMOS-compatible clock and MCLK
OUT left unconnected. The part can be operated with clock frequencies in the range
500 kHz to 5 MHz.
When the master clock for the device is a crystal/resonator, the crystal/resonator is connected
between MCLK IN and MCLKOUT. If an external clock is applied to MCLK IN, MCLK
OUT provides an inverted clock signal. This clock can be used to provide a clock source for
external circuitry and is capable of driving one CMOS load. If the user does not require it,
this MCLK OUT can be turned off via the CLK DIS bit of the Clock Register. This ensures
that the part is not burning unnecessary power driving capacitive loads on MCLK OUT.
Chip Select. Active low Logic Input used to select the AD7705/AD7706. With this input
hard-wired low, the AD7705/AD7706 can operate in its three-wire interface mode with
SCLK, DIN and DOUT used to interface to the device.
CS
can be used to select the device
in systems with more than one device on the serial bus or as a frame synchronization signal in
communicating with the AD7705/AD7706.
Logic Input. Active low input that resets the control logic, interface logic, calibration
coefficients, digital filter and analog modulator of the part to power-on status.
AD7705: Positive input of the differential Analog Input Channel 2. AD7706: Analog Input
Channel 1.
AD7705: Positive input of the differential Analog Input Channel 1. AD7706: Analog Input
Channel 2.
AD7705: Negative input of the differential Analog Input Channel 1. AD7706: COMMON
Input. Analog inputs for Channels 1, 2 and 3 are referenced to this input.
Reference Input. Positive input of the differential Reference Input to the AD7705/AD7706.
The reference input is differential with the provision that REF IN(+) must be greater than
REF IN(–). REFIN(+) can lie anywhere between V
DD
and GND.
2
MCLK IN
3
MCLK OUT
4
CS
5
RESET
6
AIN2(+)[AIN1]
7
AIN1(+)[AIN2]
8
AIN1(–)[COMMON]
9
REF IN(+)
PIN CONFIGURATIONS
TOP VIEW
(Not to Scale)
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
SCLK
MCLK IN
MCLK OUT
CS
RESET
AIN2(+)
AIN1(+)
AIN1(–)
GND
V
DD
DIN
DOUT
DRDY
AIN2(–)
REF IN(–)
REF IN(+)
AD7705
TOP VIEW
(Not to Scale)
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
SCLK
MCLK IN
MCLK OUT
CS
RESET
AIN1
AIN2
COMMON
GND
V
DD
DIN
DOUT
DRDY
AIN3
REF IN(–)
REF IN(+)
AD7706
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PDF描述 |
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| AD7706* | 3 V/5 V. 1 mW 2-/3-Channel 16-Bit. Sigma-Delta ADCs |
| AD7706EB | High Performance Switched Capacitor Universal Filter; Package: PDIP; No of Pins: 14; Temperature Range: 0°C to +70°C |
| AD7706(中文) | 3 V/5 V, 1 Mw 2-/3-Channel 16-Bit, Sigma-Delta ADCs(三輸入通道16位A/D轉(zhuǎn)換器) |
| AD7705(中文) | 3 V/5 V, 1 Mw 2-/3-Channel 16-Bit, Sigma-Delta ADCs(完全差分輸入通道16位A/D轉(zhuǎn)換器) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7706 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V/5 V, 1 mW 2-/3-Channel 16-Bit, Sigma-Delta ADCs |
| AD7706BN | 功能描述:IC ADC 16BIT 3CH 16-DIP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 位數(shù):12 采樣率（每秒）:3M 數(shù)據(jù)接口:- 轉(zhuǎn)換器數(shù)目:- 功率耗散（最大）:- 電壓電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-23-6 包裝:帶卷 (TR) 輸入數(shù)目和類型:- |
| AD7706BNZ | 功能描述:IC ADC 16BIT 3CHAN 16DIP 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 標準包裝: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 |
| AD7706BNZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V/5 V, 1 mW, 2-/3-Channel, 16-Bit, Sigma-Delta ADCs |
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