參數(shù)資料
型號(hào)： ADS8482IRGZR
英文描述： 18-BIT, 1-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE
中文描述： 18位，1 MSPS的，偽雙極，全差分輸入，微采樣模擬到數(shù)字轉(zhuǎn)換并行接口，參考
文件頁(yè)數(shù)： 8/31頁(yè)
文件大?。?/td> 647K
代理商： ADS8482IRGZR
www.ti.com
PIN ASSIGNMENTS
+VBD
BUS18/16
BYTE
CONVST
RD
CS
+VA
AGND
AGND
+VA
REFM
REFM
RGZ PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
11
12
13 14 15 16 17 18 19 20 21 22 23 24
36
35
34
33
32
31
30
29
28
27
26
25
48 47 46 45 44 43 42 41 40 39 38 37
R
R
N
+
A
+
+
+
A
A
A
+VBD
DB10
DB11
DB12
DB13
DB14
DB15
DB16
DB17
AGND
AGND
+VA
B
D
D
D
D
D
D
D
D
D
B
NC No internal connection
NOTE: The package thermal pad must be soldered to the printed circuit board for thermal and mechanical performance.
D
ADS8482
SLAS386A–JULY 2005–REVISED JUNE 2006
TERMINAL FUNCTIONS
NAME
NO
I/O
DESCRIPTION
8, 9, 17, 20,
23, 24, 26,
27
AGND
–
Analog ground
BDGND
37
–
Digital ground for bus interface digital supply
BUSY
48
O
Status output. High when a conversion is in progress.
Bus size select input. Used for selecting 18-bit or 16-bit wide bus transfer.
0: Data bits output on the 18-bit data bus pins DB[17:0].
1: Last two data bits D[1:0] from 18-bit wide bus output on:
a) the low byte pins DB[9:2] if BYTE = 0
b) the high byte pins DB[17:10] if BYTE = 1
BUS18/16
2
I
Byte select input. Used for 8-bit bus reading.
0: No fold back
1: Low byte D[9:2] of the 16 most significant bits is folded back to high byte of the 16 most significant pins DB[17:10].
BYTE
3
I
CONVST
4
I
Convert start. The falling edge of this input ends the acquisition period and starts the hold period.
CS
6
I
Chip select. The falling edge of this input starts the acquisition period.
8-BIT BUS
16-BIT BUS
18-BIT BUS
Data Bus
BYTE = 0
BYTE = 1
BYTE = 1
BYTE = 0
BYTE = 0
BYTE = 0
BUS18/16 = 0
BUS18/16 = 0
BUS18/16 = 1
BUS18/16 = 0
BUS18/16 = 1
BUS18/16 = 0
DB17
28
O
D17 (MSB)
D9
All ones
D17 (MSB)
All ones
D17 (MSB)
DB16
29
O
D16
D8
All ones
D16
All ones
D16
DB15
30
O
D15
D7
All ones
D15
All ones
D15
DB14
31
O
D14
D6
All ones
D14
All ones
D14
DB13
32
O
D13
D5
All ones
D13
All ones
D13
DB12
33
O
D12
D4
All ones
D12
All ones
D12
DB11
34
O
D11
D3
D1
D11
All ones
D11
DB10
35
O
D10
D2
D0 (LSB)
D10
All ones
D10
DB9
38
O
D9
All ones
All ones
D9
All ones
D9
8
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS8482IRGZRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 1MSPS Parall ADC w/Ref 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
ADS8482IRGZT 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 1MSPS Parall ADC w/Ref 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
ADS8482IRGZTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 1MSPS Parall ADC w/Ref 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
ADS8484 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:18-BIT, 1.25-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE,REFERENCE
ADS8484EVM 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開(kāi)發(fā)工具 ADS8484 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類(lèi)型:ADC 工具用于評(píng)估:ADS130E08 接口類(lèi)型:SPI 工作電源電壓:- 6 V to + 6 V
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