參數(shù)資料
型號(hào)： ADS7831P
英文描述： 12-Bit 600kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER
中文描述： 12位600kHz的采樣CMOS模擬數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù)： 4/10頁(yè)
文件大?。?/td> 313K
代理商： ADS7831P
4
ADS7831
PIN ASSIGNMENTS
DIGITAL
I/O
PIN #
NAME
DESCRIPTION
1
2
3
V
IN
Analog Input. Connect via 50
to analog input. Full-scale input range is
±
2.5V.
Analog Ground. Used internally as ground reference point. Minimal current flow.
Reference Input/Output. Outputs internal reference of +2.5V nominal. Can also be driven by external system
reference. In both cases, decouple to ground with a 0.1
μ
F ceramic capacitor.
Reference Buffer Output. 10
μ
F tantalum capacitor to ground. Nominally +2V.
Analog Ground.
Data Bit 11. Most Significant Bit (MSB) of conversion results. Hi-Z state when CS is HIGH, or when R/C is
LOW, or when a conversion is in progress.
Data Bit 10. Hi-Z state when CS is HIGH, or when R/C is LOW, or when a conversion is in progress.
Data Bit 9. Hi-Z state when CS is HIGH, or when R/C is LOW, or when a conversion is in progress.
Data Bit 8. Hi-Z state when CS is HIGH, or when R/C is LOW, or when a conversion is in progress.
Data Bit 7. Hi-Z state when CS is HIGH, or when R/C is LOW, or when a conversion is in progress.
Data Bit 6. Hi-Z state when CS is HIGH, or when R/C is LOW, or when a conversion is in progress.
Data Bit 5. Hi-Z state when CS is HIGH, or when R/C is LOW, or when a conversion is in progress.
Data Bit 4. Hi-Z state when CS is HIGH, or when R/C is LOW, or when a conversion is in progress.
Digital Ground.
Data Bit 3. Hi-Z state when CS is HIGH, or when R/C is LOW, or when a conversion is in progress.
Data Bit 2. Hi-Z state when CS is HIGH, or when R/C is LOW, or when a conversion is in progress.
Data Bit 1. Hi-Z state when CS is HIGH, or when R/C is LOW, or when a conversion is in progress.
Data Bit 0. Least Significant Bit (LSB) of conversion results. Hi-Z state when CS is HIGH, or when R/C is
LOW, or when a conversion is in progress.
Not internally connected.
Analog Positive Supply Input. Nominally +5V. Connect directly to pins 21, 27 and 28.
Digital Supply Input. Nominally +5V. Connect directly to pins 20, 27 and 28.
Digital ground.
Read/Convert Input. With CS LOW, a falling edge on R/C puts the internal sample/hold into the hold state and
starts a conversion. With CS LOW and no conversion in progress, a rising edge on R/C enables the output
data bits.
Chip Select. With R/C LOW, a falling edge on CS will initiate a conversion. With R/C HIGH and no conversion
in progress, a falling edge on CS will enable the output data bits.
Busy Output. Falls when a conversion is started, and remains LOW until the conversion is completed and the
data is latched into the output register. With CS LOW and R/C HIGH, output data will be valid when BUSY
rises, so that the rising edge can be used to latch the data.
Analog Negative Supply Input. Nominally –5V. Decouple to ground with 0.1
μ
F ceramic and 10
μ
F tantalum
capacitors.
Digital Supply Input. Nominally +5V. Connect directly to pins 20, 21 and 28.
Analog Positive Supply Input. Nominally +5V. Connect directly to pins 20, 21 and 27, and decouple to ground
with 0.1
μ
F ceramic and 10
μ
F tantalum capacitors.
AGND1
REF
4
5
6
CAP
AGND2
D11 (MSB)
O
7
8
9
10
11
12
13
14
15
16
17
18
D10
D9
D8
D7
D6
D5
D4
DGND
D3
D2
D1
D0 (LSB)
O
O
O
O
O
O
O
O
O
O
O
19
20
21
22
23
+V
ANA
+V
DGND
R/C
I
24
CS
I
25
BUSY
O
26
–V
ANA
27
28
+V
DIG
+V
ANA
PIN CONFIGURATION
Top View
DIP/SOIC
V
IN
AGND1
REF
CAP
AGND2
D11 (MSB)
D10
D9
D8
D7
D6
D5
D4
DGND
+V
ANA
+V
DIG
–V
ANA
BUSY
CS
R/C
DGND
+V
DIG
+V
ANA
NC
(1)
D0 (LSB)
D1
D2
D3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
ADS7831
NOTE: (1) Not Internally Connected.
相關(guān)PDF資料
PDF描述
ADS7831U 12-Bit 600kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER
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ADS7832BN Autocalibrating, 4-Channel, 12-Bit ANALOG-TO-DIGITAL CONVERTER
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS7831U 制造商:BB 制造商全稱:BB 功能描述:12-Bit 600kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER
ADS7832 制造商:BB 制造商全稱:BB 功能描述:Autocalibrating, 4-Channel, 12-Bit ANALOG-TO-DIGITAL CONVERTER
ADS7832BN 制造商:Rochester Electronics LLC 功能描述:
ADS7832BP 功能描述:IC 12-BIT 4CH A/D 28-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(biāo)準(zhǔn)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:-
ADS7833 制造商:BB 制造商全稱:BB 功能描述:10-Channel, 12-Bit DATA ACQUISITION SYSTEM
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