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參數(shù)資料
| 型號(hào)： | AD7890SQ-10 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類(lèi)： | ADC |
| 英文描述： | 20 Characters x 4 Lines, 5x7 Dot Matrix Character and Cursor |
| 中文描述： | 8-CH 12-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, CDIP24 |
| 封裝： | 0.300 INCH, CERDIP-24 |
| 文件頁(yè)數(shù)： | 6/20頁(yè) |
| 文件大?。?/td> | 302K |
| 代理商： | AD7890SQ-10 |
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AD7890
–6–
REV. A
PIN CONFIGURAT ION
DIP and SOIC
AGND
SMODE
REF OUT/REF IN
V
IN8
CONVST
CLK IN
SCLK
V
IN5
V
IN4
V
IN3
V
IN2
DGND
C
EXT
V
IN7
V
IN6
TFS
RFS
V
IN1
DATA OUT
AGND
DATA IN
SHA IN
V
DD
MUX OUT
14
1
2
24
23
5
6
7
20
19
18
3
4
22
21
8
17
9
16
10
15
11
TOP VIEW
(Not to Scale)
12
13
AD7890
Pin
Mnemonic
Description
17
V
IN2
Analog Input Channel 2. Single-ended analog input. T he analog input range on is
±
10 V (AD7890-
10), 0 V to +4.096 V (AD7890-4) and 0 V to +2.5 V (AD7890-2). T he channel to be converted is
selected using the A0, A1 and A2 bits in the control register. T he multiplexer has guaranteed
break-before-make operation.
Analog Input Channel 3. Single-ended analog input. T he analog input range on is
±
10 V (AD7890-
10), 0 V to +4.096 V (AD7890-4) and 0 V to +2.5 V (AD7890-2). T he channel to be converted is
selected using the A0, A1 and A2 bits in the control register. T he multiplexer has guaranteed
break-before-make operation.
Analog Input Channel 4. Single-ended analog input. T he analog input range on is
±
10 V (AD7890-
10), 0 V to +4.096 V (AD7890-4) and 0 V to +2.5 V (AD7890-2). T he channel to be converted is
selected using the A0, A1 and A2 bits in the control register. T he multiplexer has guaranteed
break-before-make operation.
Analog Input Channel 5. Single-ended analog input. T he analog input range on is
±
10 V (AD7890-
10), 0 V to +4.096 V (AD7890-4) and 0 V to +2.5 V (AD7890-2). T he channel to be converted is
selected using the A0, A1 and A2 bits in the control register. T he multiplexer has guaranteed
break-before-make operation.
Analog Input Channel 6. Single-ended analog input. T he analog input range on is
±
10 V (AD7890-
10), 0 V to +4.096 V (AD7890-4) and 0 V to +2.5 V (AD7890-2). T he channel to be converted is
selected using the A0, A1 and A2 bits in the control register. T he multiplexer has guaranteed
break-before-make operation.
Analog Input Channel 7. Single-ended analog input. T he analog input range on is
±
10 V (AD7890-
10), 0 V to +4.096 V (AD7890-4) and 0 V to +2.5 V (AD7890-2). T he channel to be converted is
selected using the A0, A1 and A2 bits in the control register. T he multiplexer has guaranteed
break-before-make operation.
Analog Input Channel 8. Single-ended analog input. T he analog input range on is
±
10 V (AD7890-
10), 0 V to +4.096 V (AD7890-4) and 0 V to +2.5 V (AD7890-2). T he channel to be converted is
selected using the A0, A1 and A2 bits in the control register. T he multiplexer has guaranteed
break-before-make operation.
Voltage Reference Output/Input. T he part can be used with either its own internal reference or with
an external reference source. T he on-chip +2.5 V reference voltage is provided at this pin. When
using this internal reference as the reference source for the part, REF OUT should decoupled to
AGND with a 0.1
μ
F disc ceramic capacitor. T he output impedance of this reference source is typi-
cally 2 k
. When using an external reference source as the reference voltage for the part, the refer-
ence source should be connected to this pin. T his overdrives the internal reference and provides the
reference source for the part. T he REF IN input is buffered on-chip. T he nominal reference voltage
for correct operation of the AD7890 is +2.5 V.
18
V
IN3
19
V
IN4
20
V
IN5
21
V
IN6
22
V
IN7
23
V
IN8
24
REF OUT /REF IN
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7890SQ-2 | 20 Characters x 4 Lines, 5x7 Dot Matrix Character and Cursor |
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| AD7890AN-2 | Explosion-Proof Limit Switches Series CX: Standard Housing: Side Rotary, Lever not included |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7890SQ-2 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC LC2MOS 8CH 12B Data Acquisition System RoHS:否 制造商:Analog Devices 通道數(shù)量: 結(jié)構(gòu): 轉(zhuǎn)換速率: 分辨率: 輸入類(lèi)型: 信噪比: 接口類(lèi)型: 工作電源電壓: 最大工作溫度: 安裝風(fēng)格: 封裝 / 箱體: |
| AD7890SQ-4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC LC2MOS 8CH 12B Data Acquisition System RoHS:否 制造商:Analog Devices 通道數(shù)量: 結(jié)構(gòu): 轉(zhuǎn)換速率: 分辨率: 輸入類(lèi)型: 信噪比: 接口類(lèi)型: 工作電源電壓: 最大工作溫度: 安裝風(fēng)格: 封裝 / 箱體: |
| AD7891AP1 | 制造商:Analog Devices 功能描述: |
| AD7891AP-1 | 功能描述:IC DAS 12BIT 8CH 44-PLCC RoHS:否 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專(zhuān)用型 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:- 類(lèi)型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤(pán) |
| AD7891AP-1REEL | 功能描述:IC DAS 12BIT 8CH 44-PLCC RoHS:否 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專(zhuān)用型 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:- 類(lèi)型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤(pán) |
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