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参数资料
| 型号： | AD5764RCSUZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 11/32页 |
| 文件大小： | 0K |
| 描述： | IC DAC QUAD 16BIT VOUT 32-TQFP |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 产品变化通告： | AD5764(R), AD5744R Product Change 04/Sept/2009 |
| 设计资源： | High Accuracy, Bipolar Voltage Output Digital-to-Analog Conversion Using AD5764 (CN0006) |
| 标准包装： | 500 |
| 设置时间： | 8µs |
| 位数： | 16 |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 4 |
| 电压电源： | 双 ± |
| 功率耗散（最大）： | 275 mW |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-TQFP |
| 供应商设备封装： | 32-TQFP（7x7） |
| 包装： | 带卷 (TR) |
| 输出数目和类型： | 4 电压，双极 |
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Data Sheet
AD5764R
Rev. D | Page 19 of 32
TERMINOLOGY
Relative Accuracy or Integral Nonlinearity (INL)
For the DAC, a measure of the maximum deviation, in LSBs,
from a straight line passing through the endpoints of the DAC
transfer function.
Differential Nonlinearity (DNL)
The difference between the measured change and the ideal 1 LSB
change between any two adjacent codes. A specified differential
nonlinearity of ±1 LSB maximum ensures monotonicity. This DAC
is guaranteed monotonic.
Monotonicity
A DAC is monotonic if the output either increases or remains
constant for increasing digital input code. The AD5744R is
monotonic over its full operating temperature range.
Bipolar Zero Error
The deviation of the analog output from the ideal half-scale
output of 0 V when the DAC register is loaded with 0x8000
(offset binary coding) or 0x0000 (twos complement coding).
Figure 22 shows a plot of bipolar zero error vs. temperature.
Bipolar Zero Temperature Coefficient
The measure of the change in the bipolar zero error with a
change in temperature. It is expressed as parts per million of
full-scale range per degree Celsius (ppm FSR/°C).
Full-Scale Error
The measure of the output error when full-scale code is loaded
to the data register. Ideally, the output voltage should be 2 ×
VREFIN 1 LSB. Full-scale error is expressed as a percentage of
full-scale range (% FSR).
Negative Full-Scale Error/Zero-Scale Error
The error in the DAC output voltage when 0x0000 (offset binary
coding) or 0x8000 (twos complement coding) is loaded to the
data register. Ideally, the output voltage should be 2 × VREFIN.
Figure 21 shows a plot of zero-scale error vs. temperature.
Output Voltage Settling Time
The amount of time it takes for the output to settle to a specified
level for a full-scale input change.
Slew Rate
A limitation in the rate of change of the output voltage. The
output slewing speed of a voltage-output DAC is usually limited
by the slew rate of the amplifier used at its output. Slew rate is
measured from 10% to 90% of the output signal and is given in
volts per microsecond (V/s).
Gain Error
A measure of the span error of the DAC. It is the deviation in
slope of the DAC transfer characteristic from the ideal, expressed
as a percentage of the full-scale range (% FSR). Figure 23 shows
a plot of gain error vs. temperature.
Total Unadjusted Error (TUE)
A measure of the output error, considering all the various
errors. Figure 19 shows a plot of total unadjusted error vs.
reference voltage.
Zero-Scale Error Temperature Coefficient
A measure of the change in zero-scale error with a change in
temperature. It is expressed as parts per million of full-scale
range per degree Celsius (ppm FSR/°C).
Gain Error Temperature Coefficient
A measure of the change in gain error with changes in tempera-
ture. It is expressed as parts per million of full-scale range per
degree Celsius (ppm FSR/°C).
Digital-to-Analog Glitch Energy
The impulse injected into the analog output when the input
code in the data register changes state. It is normally specified
as the area of the glitch in nanovolt-seconds (nV-sec) and is
measured when the digital input code is changed by 1 LSB at the
major carry transition (0x7FFF to 0x8000), as seen in Figure 28.
Digital Feedthrough
A measure of the impulse injected into the analog output of the
DAC from the digital inputs of the DAC, but measured when
the DAC output is not updated. It is specified in nanovolt-seconds
(nV-sec) and measured with a full-scale code change on the
data bus, that is, from all 0s to all 1s, and vice versa.
Power Supply Sensitivity
Indicates how the output of the DAC is affected by changes in
the power supply voltage.
DC Crosstalk
The dc change in the output level of one DAC in response to a
change in the output of another DAC. It is measured with a full-
scale output change on one DAC while monitoring another
DAC, and is expressed in least significant bits (LSBs).
DAC-to-DAC Crosstalk
The glitch impulse transferred to the output of one DAC due to
a digital code change and subsequent output change of another
DAC. This includes both digital and analog crosstalk. It is
measured by loading one of the DACs with a full-scale code
change (from all 0s to all 1s, and vice versa) with LDAC low and
monitoring the output of another DAC. The energy of the glitch
is expressed in nanovolt-seconds (nV-sec).
Channel-to-Channel Isolation
The ratio of the amplitude of the signal at the output of one DAC
to a sine wave on the reference input of another DAC. It is
measured in decibels (dB).
Reference Temperature Coefficient
A measure of the change in the reference output voltage with
a change in temperature. It is expressed in parts per million per
degree Celsius (ppm/°C).
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| AD5764SSUZ-EP-RL7 | 功能描述:16 Bit Digital to Analog Converter 4 32-TQFP (7x7) 制造商:analog devices inc. 系列:iCMOS? 包装:剪切带（CT） 零件状态:有效 位数:16 数模转换器数:4 建立时间:10μs 输出类型:Voltage - Buffered 差分输出:无 数据接口:SPI，DSP 参考类型:外部 电压 - 电源，模拟:±11.4 V ~ 16.5 V 电压 - 电源，数字:2.7 V ~ 5.25 V INL/DNL（LSB）:±2（最大），±1（最大） 架构:R-2R 工作温度:-55°C ~ 125°C 封装/外壳:32-TQFP 供应商器件封装:32-TQFP（7x7） 标准包装:1 |
| AD5765 | 制造商:AD 制造商全称:Analog Devices 功能描述:Complete Quad, 16-Bit, High Accuracy, Serial Input, ±5V DACs |
| AD5765BSUZ | 功能描述:IC DAC 16BIT +/-5V QUAD 2LSB 32L RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Data Converter Fundamentals DAC Architectures 标准包装:750 系列:- 设置时间:7µs 位数:16 数据接口:并联 转换器数目:1 电压电源:双 ± 功率耗散（最大）:100mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-LCC（J 形引线） 供应商设备封装:28-PLCC（11.51x11.51） 包装:带卷 (TR) 输出数目和类型:1 电压，单极；1 电压，双极 采样率（每秒）:143k |
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