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參數(shù)資料
| 型號(hào)： | ADS7862YB |
| 英文描述： | CMOS Hex Schmitt Triggers 14-PDIP -55 to 125 |
| 中文描述： | 雙為500kHz，12位，2通道同步采樣模擬到數(shù)字轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 3/13頁(yè) |
| 文件大小： | 159K |
| 代理商： | ADS7862YB |
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3
ADS7862
PIN
NAME
DESCRIPTION
1
REF
IN
REF
OUT
Reference Input
2
+2.5V Reference Output. Connect directly to REF
IN
(pin 1) when using internal reference.
3
AGND
Analog Ground
4
+V
A
Analog Power Supply, +5VDC. Connect directly to
digital power supply (pin 24). Decouple to analog
ground with a 0.1
μ
F ceramic capacitor and a 10
μ
F
tantalum capacitor.
5
DB11
Data Bit 11, MSB
6
DB10
Data Bit 10
7
DB9
Data Bit 9
8
DB8
Data Bit 8
9
DB7
Data Bit 7
10
DB6
Data Bit 6
11
DB5
Data Bit 5
12
DB4
Data Bit 4
13
DB3
Data Bit 3
14
DB2
Data Bit 2
15
DB1
Data Bit 1
16
DB0
Data Bit 0, LSB
17
BUSY
HIGH when a conversion is in progress.
18
CONVST
Convert Start
19
CLOCK
An external CMOS-compatible clock can be applied to
the CLOCK input to synchronize the conversion pro-
cess to an external source. The CLOCK pin controls
the sampling rate by the equation: CLOCK 16 f
SAMPLE
.
Chip Select
20
CS
21
RD
Synchronization pulse for the parallel output. During a
Read operation, the first falling edge selects the A
register and the second edge selects the B register,
A0, then controls whether input 0 or input 1 is read.
22
A0
On the falling edge of Convert Start, when A0 is LOW
Channel A0 and Channel B0 are converted and when
it is HIGH, Channel A1 and Channel B1 are converted.
During a Read operation, the first falling edge selects
the A register and the second edge selects the B of RD
register, A0, then controls whether input 0 or input 1 is
read.
23
DGND
Digital Ground. Connect directly to analog ground (pin 3).
24
+V
D
Digital Power Supply, +5VDC
25
CH B1+
Non-Inverting Input Channel B1
26
CH B1–
Inverting Input Channel B1
27
CH B0+
Non-Inverting Input Channel B0
28
CH B0–
Inverting Input Channel B0
29
CH A1–
Inverting Input Channel A1
30
CH A1+
Non-Inverting Input Channel A1
31
CH A0–
Inverting Input Channel A0
32
CH A0+
Non-Inverting Input Channel A0
PIN CONFIGURATION
Top View
PIN DESCRIPTIONS
ABSOLUTE MAXIMUM RATINGS
Analog Inputs to AGND: Any Channel Input ........ –0.3V to (+V
D
+ 0.3V)
REF
IN
............................. –0.3V to (+V
D
+ 0.3V)
Digital Inputs to DGND.......................................... –0.3V to (+V
+ 0.3V)
Ground Voltage Differences: AGND, DGND ...................................
±
0.3V
+V
to AGND ......................... –0.3V to +6V
Power Dissipation .......................................................................... 325mW
Maximum Junction Temperature ................................................... +150
°
C
Operating Temperature Range ........................................–40
°
C to +85
°
C
Storage Temperature Range .........................................–65
°
C to +150
°
C
Lead Temperature (soldering, 10s)............................................... +300
°
C
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Burr-Brown
recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and
installation procedures can cause damage.
ESD damage can range from subtle performance degradation to
complete device failure. Precision integrated circuits may be
more susceptible to damage because very small parametric
changes could cause the device not to meet its published specifi-
cations.
REF
IN
REF
OUT
AGND
+V
A
DB11
DB10
DB9
DB8
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
+V
D
DGND
A0
RD
CS
CLOCK
CONVST
BUSY
D
D
D
D
D
D
D
D
9
10
11
12
13
14
15
16
C
C
C
C
C
C
C
C
32
31
30
29
28
ADS7862
27
26
25
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS7862YB/250 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 500kHz 12-Bit 2+2 Ch Sim Smpl ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS7862YB/250G4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 500kHz 12-Bit 2+2 Ch Sim Smpl ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS7862YB/2K | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 500kHz 12-Bit 2+2 Ch Sim Smpl ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS7862YB/2KG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 500kHz 12-Bit 2+2 Ch Sim Smpl ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS7863 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Dual, 2MSPS, 12-Bit, 2 + 2 or 3 + 3 Channel, Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER |
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