參數(shù)資料
型號(hào)： ADC1215S125HN
廠商： NXP Semiconductors N.V.
元件分類(lèi)： 外設(shè)及接口
英文描述： Single 12-bit ADC 125 Msps with Input Buffer CMOS or LVDS DDR digital outputs
封裝： ADC1215S125HN/C1<SOT618-6 (HVQFN40)|<<http://www.nxp.com/packages/SOT618-6.html<1<Always Pb-free,;ADC1215S125HN/C1<SOT618-6 (HVQFN40)|<<http://www.nxp.com/packages/SOT618
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代理商： ADC1215S125HN
ADC1215S_SER
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 13 January 2011
28 of 42
NXP Semiconductors
ADC1215S series
Single 12-bit ADC; input buffer; CMOS or LVDS DDR digital output
11.6 Serial Peripheral Interface (SPI)
11.6.1
Register description
The ADC1215S serial interface is a synchronous serial communications port that allows
easy interfacing with many commonly-used microprocessors. It provides access to the
registers that control the operation of the chip.
This interface is configured as a 3-wire type (SDIO as bidirectional pin)
Pin SCLK is the serial clock input and CS is the chip select pin.
Each read/write operation is initiated by a LOW level on CS. A minimum of three bytes is
transmitted (two instruction bytes and at least one data byte). The number of data bytes is
determined by the value of bits W1 and W2 (see
Table 17
).
Table 16.
[1]
Bit R/W indicates whether it is a read (logic_1) or a write (logic_0) operation.
[2]
Bits W1 and W0 indicate the number of bytes to be transferred after the instruction byte (see
Table 17
).
0.9990234
0.9985352
0.9980469
....
0.0009766
0.0004883
0.0000000
+0.0004883
+0.0009766
....
+0.9980469
+0.9985352
+0.9990234
+0.9995117
+1.0000000
> +1
0000 0000 0010
0000 0000 0011
0000 0000 0100
....
0111 1111 1110
0111 1111 1111
1000 0000 0000
1000 0000 0001
1000 0000 0010
....
1111 1111 1011
1111 1111 1100
1111 1111 1101
1111 1111 1110
1111 1111 1111
1111 1111 1111
1000 0000 0010
1000 0000 0011
1000 0000 0100
....
1111 1111 1110
1111 1111 1111
0000 0000 0000
0000 0000 0001
0000 0000 0010
....
0111 1111 1011
0111 1111 1100
0111 1111 1101
0111 1111 1110
0111 1111 1111
0111 1111 1111
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Table 15.
V
INP
V
INM
Output codes
Offset binary
Two’s complement
OTR pin
Instruction bytes for the SPI
MSB
7
R/W
[1]
A7
LSB
0
A8
A0
Bit
Description
6
W1
[2]
A6
5
W0
[2]
A5
4
A12
A4
3
A11
A3
2
A10
A2
1
A9
A1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADC1215S125HN/C1 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Single 12-bit ADC; 65 Msps, 80 Msps, 105 Msps or 125 Msps with input buffer; CMOS or LVDS DDR digital outputs
ADC1215S125HN/C1,5 功能描述:模數(shù)轉(zhuǎn)換器 - ADC SGL 12BT ADC 125MSPS IN BUF CMOS/LVDS DDR 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
ADC1215S125HN-C1 制造商:Integrated Device Technology Inc 功能描述:HVQFN40 - Bulk
ADC1215S125HN-C18 制造商:Integrated Device Technology Inc 功能描述:HVQFN40 - Tape and Reel
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