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| 型号： | ADC1113D125HN |
| 厂商： | NXP Semiconductors N.V. |
| 元件分类： | 外设及接口 |
| 英文描述： | Dual 11 bits ADC; 125 Msps; serial JESD204A |
| 封装： | ADC1113D125HN/C1<SOT684-7 (HVQFN56)|<<http://www.nxp.com/packages/SOT684-7.html<1<Always Pb-free,;ADC1113D125HN/C1<SOT684-7 (HVQFN56)|<<http://www.nxp.com/packages/SOT684 |
| 文件页数： | 15/41页 |
| 文件大小： | 536K |
| 代理商： | ADC1113D125HN |
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ADC1113D125
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 3 — 10 February 2011
22 of 41
NXP Semiconductors
ADC1113D125
Dual 11-bit ADC; serial JESD204A interface
11.6 Serial Peripheral Interface (SPI)
11.6.1 Register description
The ADC1113D125 serial interface is a synchronous serial communications port allowing
for easy interfacing with many industry microprocessors. It provides access to the
registers that control the operation of the chip in both read and write modes.
This interface is configured as a 3-wire type (SDIO as bidirectional pin).
SCLK acts as the serial clock, and pin CS acts as the serial chip select.
Each read/write operation is sequenced by the CS signal and enabled by a LOW level to
to drive the chip with 2 bytes to 5 bytes, depending on the content of the instruction byte
(see Table 14).
[1]
R/W indicates whether a read (logic 1) or write (logic 0) transfer occurs after the instruction byte.
[1]
Bits W1 and W0 indicate the number of bytes transferred after the instruction byte.
Bits A12 to A0 indicate the address of the register being accessed. In the case of a
multiple byte transfer, this address is the first register to be accessed. An address counter
is incremented to access subsequent addresses.
+0.9970703
111 1111 1100
011 1111 1100
0
+0.9980469
111 1111 1101
011 1111 1101
0
+0.9990234
111 1111 1110
011 1111 1110
0
+1.0000000
111 1111 1111
011 1111 1111
0
> +1
111 1111 1111
011 1111 1111
1
Table 13.
Output codes
VINP VINM
Offset binary
Two’s complement
OTR pin
Table 14.
SPI instruction bytes
MSB
LSB
Bit
7
6
5
4
3210
Description
W1
W0
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
Table 15.
Read or Write mode access description
Description
0
Write mode operation
1
Read mode operation
Table 16.
Number of bytes to be transferred
W1
W0
Number of bytes transferred
00
1 byte
01
2 bytes
10
3 bytes
1
4 or more bytes
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| ADC1113D125W1 | |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADC1113D125HN/C1 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Dual 11-bit ADC; serial JESD204A interface |
| ADC1113D125HN/C1,5 | 功能描述:模数转换器 - ADC DUAL 11b ADC 125MSPS RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| ADC1113D125HNC1 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Dual 11-bit ADC; serial JESD204A interface |
| ADC1113D125HN-C1 | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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