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參數(shù)資料
| 型號： | ADS8412IPFBTG4 |
| 英文描述： | 16-BIT, 2 MSPS, UNIPOLAR DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE |
| 中文描述： | 16位，2 MSPS的，單極差動輸入，微采樣模數(shù)位并行接口和參考轉(zhuǎn)爐 |
| 文件頁數(shù)： | 8/26頁 |
| 文件大?。?/td> | 736K |
| 代理商： | ADS8412IPFBTG4 |
www.ti.com
ADS8412
SLAS384A–JUNE 2003–REVISED DECEMBER 2004
Terminal Functions
NAME
AGND
NO.
I/O
-
DESCRIPTION
5, 8, 11, 12,
14, 15, 44,
45
25, 35
36
39
Analog ground
BDGND
BUSY
BYTE
-
Digital ground for bus interface digital supply
Status output. High when a conversion is in progress.
Byte select input. Used for 8-bit bus reading. 0: No fold back 1: Low byte D[7:0] of the 16 most
significant bits is folded back to high byte of the 16 most significant pins DB[15:8].
Convert start. The falling edge of this input ends the acquisition period and starts the hold period.
Chip select. The falling edge of this input starts the acquisition period.
8-Bit Bus
BYTE = 0
BYTE = 1
D15 (MSB)
D7
D14
D6
D13
D5
D12
D4
D11
D3
D10
D2
D9
D1
D8
D0 (LSB)
D7
All ones
D6
All ones
D5
All ones
D4
All ones
D3
All ones
D2
All ones
D1
All ones
D0 (LSB)
All ones
Inverting input channel
Non inverting input channel
No connection
Reference input
Reference ground
Reference output. Add 1 μF capacitor between the REFOUT pin and REFM pin when internal reference
is used.
Current conversion is aborted and output latches are cleared (set to zeros) when this pin is asserted
low. RESET works independantly of CS.
Synchronization pulse for the parallel output. When CS is low, this serves as the output enable and puts
the previous conversion result on the bus.
Analog power supplies, 5-V dc
O
I
CONVST
CS
40
42
I
I
16-Bit Bus
BYTE = 0
Data Bus
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
–IN
+IN
NC
REFIN
REFM
REFOUT
16
17
18
19
20
21
22
23
26
27
28
29
30
31
32
33
7
6
3
1
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
-
I
I
O
D15 (MSB)
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0 (LSB)
47, 48
2
RESET
38
I
RD
41
I
+VA
4, 9, 10, 13,
43, 46
24, 34, 37
-
+VBD
-
Digital power supply for bus
8
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| ADS8413IBRGZRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-bit Uni Diff In Smp rt 4.75-5.25V 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 |
| ADS8413IBRGZT | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-bit Uni Diff In Smp rt 4.75-5.25V 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 |
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