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| 型号： | ADC1213D065HN |
| 厂商： | NXP Semiconductors N.V. |
| 元件分类： | 外设及接口 |
| 英文描述： | Dual 12-bit ADC; 65 Msps |
| 封装： | ADC1213D065HN/C1<SOT684-7 (HVQFN56)|<<http://www.nxp.com/packages/SOT684-7.html<1<Always Pb-free,;ADC1213D065HN/C1<SOT684-7 (HVQFN56)|<<http://www.nxp.com/packages/SOT684 |
| 文件页数： | 8/42页 |
| 文件大小： | 632K |
| 代理商： | ADC1213D065HN |
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ADC1213D_SER
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 7 — 9 June 2011
16 of 42
NXP Semiconductors
ADC1213D series
Dual 12-bit ADC; serial JESD204A interface
11.2 System reference and power management
11.2.1 Internal/external reference
The ADC1213D has a stable and accurate built-in internal reference voltage to adjust the
ADC full-scale. This reference voltage can be set internally via SPI or with pin VREF and
SENSE (see Figure 11 to Figure 14), in 1 dB steps between 0 dB and
6 dB, via SPI
control bits INTREF[2:0] (when bit INTREF_EN = logic 1; see Table 21). The equivalent
reference circuit is shown in Figure 10. An external reference is also possible by providing
a voltage on pin VREF as described in Figure 13.
If bit INTREF_EN is set to logic 0, the reference voltage is determined either internally or
externally as detailed in Table 10.
Fig 10. Reference equivalent schematic
Table 10.
Reference modes
Mode
SPI bit, “Internal
reference”
SENSE pin
VREF pin
Full-scale
(V (p-p))
Internal (Figure 11)
0
GND
330 pF capacitor
to GND
2
Internal (Figure 12)
0
VREF pin = SENSE pin and
330 pF capacitor to GND
1
External (Figure 13)0
VDDA
external voltage
from 0.5 V to 1 V
1 to 2
Internal, SPI mode
1
VREF pin = SENSE pin and
330 pF capacitor to GND
1 to 2
EXT_ref
001aan670
REFAT/
REFBT
REFAB/
REFBB
SENSE
VREF
SELECTION
LOGIC
BANDGAP
REFERENCE
ADC CORE
BUFFER
REFERENCE
AMP
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADC1213D065HN/C1 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Dual 12-bit ADC; 65 Msps, 80 Msps, 105 Msps or 125 Msps |
| ADC1213D065HN/C1,5 | 功能描述:模数转换器 - ADC DUAL 12b ADC 65 MSPS 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 |
| ADC1213D065HN/C1,518 | 制造商:NXP Semiconductors 功能描述: |
| ADC1213D065HN/C1,551 | 制造商:NXP Semiconductors 功能描述: |
| ADC1213D065HN/C1/5 | 功能描述:模数转换器 - ADC DUAL 12b ADC 65 MSPS 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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