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參數(shù)資料
| 型號： | ADS7810 |
| 英文描述： | 12-Bit 800kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER |
| 中文描述： | 12位800kHz采樣CMOS模擬數(shù)字轉換器 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大小： | 208K |
| 代理商： | ADS7810 |
ADS7810
4
PIN ASSIGNMENTS
DIGITAL
I/O
PIN #
NAME
DESCRIPTION
1
2
3
V
Analog Input. Connect via 50
to analog input. Full-scale input range is
±
10V.
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 tantulum
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 tantulum capacitors.
AGND1
REF
4
5
6
CAP
AGND2
D11 (MSB)
O
7
8
9
D10
D9
D8
D7
D6
D5
D4
DGND
D3
D2
D1
D0 (LSB)
O
O
O
O
O
O
O
10
11
12
13
14
15
16
17
18
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
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
ADS7810
NOTE: (1) Not Internally Connected.
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相關代理商/技術參數(shù) |
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|---|---|
| ADS7810U | 功能描述:模數(shù)轉換器 - ADC 12-Bit 800kHz Sampling CMOS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS7810U/1K | 功能描述:模數(shù)轉換器 - ADC 12-Bit 800kHz Sampling CMOS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS7810U/1KE4 | 功能描述:模數(shù)轉換器 - ADC 12-Bit 800kHz Sampling CMOS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS7810U/1KG4 | 功能描述:IC 12BIT 800KHZ SMPL ADC 28SOIC 制造商:texas instruments 系列:- 包裝:帶卷（TR） 零件狀態(tài):停產(chǎn) 位數(shù):12 采樣率（每秒）:800k 輸入數(shù):1 輸入類型:單端 數(shù)據(jù)接口:并聯(lián) 配置:S/H-ADC 無線電 - S/H:ADC:1:1 A/D 轉換器數(shù):1 架構:SAR 參考類型:外部， 內(nèi)部 電壓 - 電源，模擬:±5V 電壓 - 電源，數(shù)字:5V 特性:- 工作溫度:-40°C ~ 70°C 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商器件封裝:28-SOIC 基本零件編號:ADS7810 標準包裝:1,000 |
| ADS7810U-1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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