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| 型号： | EVAL-AD7715-3EBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 18/40页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR AD7715 |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 16 |
| 采样率（每秒）： | 500 |
| 数据接口： | 串行 |
| 输入范围： | ±VREF/增益 |
| 在以下条件下的电源（标准）： | 5.3mW @ 3.3 V |
| 工作温度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7715-3 |
| 已供物品： | 板，CD |
| 相关产品： | AD7715ARUZ-5-ND - IC ADC 16BIT SIGMA-DELTA 16TSSOP AD7715ARUZ-3-ND - IC ADC 16BIT SIGMA-DELTA 16TSSOP AD7715ANZ-3-ND - IC ADC 16BIT SIGMA-DELTA 16DIP AD7715ARUZ-5REEL7-ND - IC ADC 16BIT SIGMA-DELTA 16TSSOP AD7715ARUZ-3REEL7-ND - IC ADC 16BIT SIGMA-DELTA 16TSSOP AD7715ARZ-3REEL-ND - IC ADC 16BIT SIGMA-DELTA 16SOIC AD7715ARZ-3-ND - IC ADC 16BIT 3V 16-SOIC AD7715ANZ-5-ND - IC ADC 16BIT 5V 16-DIP AD7715ARZ-5REEL-ND - IC ADC 16BIT 5V 16-SOIC AD7715ARZ-5-ND - IC ADC 16BIT SIGMA-DELTA 16-SOIC 更多... |
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AD7715
Rev. D | Page 25 of 40
If the part is used in unipolar mode with a required span of
0.8 × VREF/GAIN, then the offset range which the system
calibration can handle is from 1.05 × VREF/GAIN to +0.25 ×
VREF/GAIN. If the part is used in unipolar mode with a required
span of VREF/GAIN, then the offset range which the system
calibration can handle is from 1.05 × VREF/GAIN to +0.05 ×
VREF/GAIN. Similarly, if the part is used in unipolar mode and
required to remove an offset of 0.2 × VREF/GAIN, then the span
range which the system calibration can handle is 0.85 ×
VREF/GAIN.
If the part is used in bipolar mode with a required span of ±0.4 ×
VREF/GAIN, then the offset range which the system calibration
can handle is from 0.65 × VREF/GAIN to +0.65 × VREF/GAIN. If
the part is used in bipolar mode with a required span of ±VREF/
GAIN, then the offset range which the system calibration can
handle is from 0.05 × VREF/GAIN to +0.05 × VREF/GAIN.
Similarly, if the part is used in bipolar mode and required to
remove an offset of ±0.2 × VREF/GAIN, then the span range
which the system calibration can handle is ±0.85 × VREF/GAIN.
Power-Up and Calibration
On power-up, the AD7715 performs an internal reset that sets
the contents of the internal registers to a known state. There are
default values loaded to all registers after a power-on or reset.
The default values contain nominal calibration coefficients for
the calibration registers. However, to ensure correct calibration
for the device a calibration routine should be performed after
power-up.
The power dissipation and temperature drift of the AD7715
are low, and no warm-up time is required before the initial
calibration is performed. However, if an external reference is
being used, this reference must have stabilized before calibration is
initiated. Similarly, if the clock source for the part is generated
from a crystal or resonator across the MCLK pins, the start-up
time for the oscillator circuit should elapse before a calibration
is initiated on the part (see the Clocking and Oscillator Circuit
section).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EVAL-AD7715-3EBZ1 | 制造商:AD 制造商全称:Analog Devices 功能描述:3 V/5 V, 450 ??A 16-Bit, Sigma-Delta ADC |
| EVAL-AD7715-5EB | 制造商:Analog Devices 功能描述:EVLAUATION BOARD - Bulk |
| EVAL-AD7716EB | 制造商:Analog Devices 功能描述:LC2MOS 22-BIT DATA ACQUISITION SYSTEM 制造商:Analog Devices 功能描述:EVALUATION BOARD - Bulk |
| EVAL-AD7716EBZ | 制造商:Analog Devices 功能描述:EVAL BRD AD7716 - Bulk |
| EVAL-AD7718EB | 制造商:Analog Devices 功能描述:Evaluation Kit For 8-/10-Channel, Low Voltage, Low Power, Segma-Delta ADCs 制造商:Rochester Electronics LLC 功能描述:EVALUATION BOARD I.C. - Bulk |
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