参数资料
| 型号： | AD5405YCPZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 6/25页 |
| 文件大小： | 0K |
| 描述： | IC DAC DUAL 12BIT MULT 40-LFCSP |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 标准包装： | 1 |
| 设置时间： | 80ns |
| 位数： | 12 |
| 数据接口： | 并联 |
| 转换器数目： | 2 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 50µW |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 40-LFCSP-VQ（6x6） |
| 包装： | 托盘 |
| 输出数目和类型： | 4 电流，单极；4 电流，双极 |
| 采样率（每秒）： | 21.3M |
| 产品目录页面： | 782 (CN2011-ZH PDF) |
| 配用： | EVAL-AD5405EB-ND - BOARD EVAL FOR AD5405 |
AD5405
Rev. B | Page 13 of 24
TERMINOLOGY
Relative Accuracy (Endpoint Nonlinearity)
A measure of the maximum deviation from a straight line
passing through the endpoints of the DAC transfer function. It
is measured after adjusting for zero and full scale and is normally
expressed in LSBs or as a percentage of the full-scale reading.
Differential Nonlinearity
The difference in the measured change and the ideal 1 LSB
change between two adjacent codes. A specified differential
nonlinearity of 1 LSB maximum over the operating temper-
ature range ensures monotonicity.
Gain Error (Full-Scale Error)
A measure of the output error between an ideal DAC and the
actual device output. For this DAC, ideal maximum output is
VREF 1 LSB. The gain error of the DAC is adjustable to zero
with an external resistance.
Output Leakage Current
The current that flows into the DAC ladder switches when they
are turned off. For the IOUT1 terminal, it can be measured by
loading all 0s to the DAC and measuring the IOUT1 current.
Minimum current flows into the IOUT2 line when the DAC is
loaded with all 1s.
Output Capacitance
Capacitance from IOUT1 or IOUT2 to AGND.
Output Current Settling Time
The amount of time for the output to settle to a specified level
for a full-scale input change. For this device, it is specified with
a 100 Ω resistor to ground.
Digital-to-Analog Glitch Impulse
The amount of charge injected from the digital inputs to the
analog output when the inputs change state. This is typically
specified as the area of the glitch in either pA-sec or nV-sec,
depending on whether the glitch is measured as a current or
voltage signal.
Digital Feedthrough
When the device is not selected, high frequency logic activity
on the device’s digital inputs is capacitively coupled through the
device and produces noise on the IOUT pins and, subsequently,
on the following circuitry. This noise is digital feedthrough.
Multiplying Feedthrough Error
The error due to capacitive feedthrough from the DAC
reference input to the DAC IOUT1 terminal when all 0s are
loaded to the DAC.
Digital Crosstalk
The glitch impulse transferred to the outputs of a DAC in
response to a full-scale code change (all 0s to all 1s, or vice
versa) in the input register of another DAC. It is expressed in
nV-sec.
Analog Crosstalk
The glitch impulse transferred to the output of one DAC due to a
change in the output of another DAC. It is measured by loading
one of the input registers with a full-scale code change (all 0s to
all 1s, or vice versa) while keeping LDAC high and then pulsing
LDAC low and monitoring the output of the DAC whose digital
code has not changed. The area of the glitch is expressed in nV-sec.
Channel-to-Channel Isolation
The portion of input signal from a DAC’s reference input that
appears at the output of the other DAC. It is expressed in decibels.
Total Harmonic Distortion (THD)
The DAC is driven by an ac reference. The ratio of the rms sum
of the harmonics of the DAC output to the fundamental value is
the THD. Usually only the lower-order harmonics are included,
such as the second to the fifth harmonics.
1
2
5
2
4
2
3
2
V
log
20
+
=
THD
Intermodulation Distortion (IMD)
The DAC is driven by two combined sine wave references
of frequencies fa and fb. Distortion products are produced
at sum and difference frequencies of mfa ± nfb, where m, n = 0,
1, 2, 3 ... Intermodulation terms are those for which m or n is
not equal to 0. The second-order terms include (fa + fb) and
(fa fb), and the third-order terms are (2fa + fb), (2fa fb),
(f + 2fa + 2fb), and (fa 2fb). IMD is defined as
(
)
l
fundamenta
the
of
amplitude
rms
products
distortion
diff
and
sum
the
of
sum
rms
IMD
log
20
=
Compliance Voltage Range
The maximum range of (output) terminal voltage for which the
device provides the specified characteristics.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD5405YCPZ-REEL | 功能描述:IC DAC DUAL 12BIT MULT 40LFCSP 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:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色产品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 标准包装:91 系列:- 设置时间:4µs 位数:10 数据接口:MICROWIRE?，串行，SPI? 转换器数目:8 电压电源:单电源 功率耗散（最大）:2.7mW 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-DFN-EP（4x3） 包装:管件 输出数目和类型:8 电压，单极 采样率（每秒）:* |
| AD5405YCPZ-REEL7 | 功能描述:IC DAC DUAL 12BIT MULT 40LFCSP 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:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色产品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 标准包装:91 系列:- 设置时间:4µs 位数:10 数据接口:MICROWIRE?，串行，SPI? 转换器数目:8 电压电源:单电源 功率耗散（最大）:2.7mW 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-DFN-EP（4x3） 包装:管件 输出数目和类型:8 电压，单极 采样率（每秒）:* |
| AD540J | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| AD540JH | 制造商:AD84/07 功能描述:Operational Amplifier, Single AMP, Bipolar/JFET, 8 Pin, Metal Can |
| AD540K | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
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