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参数资料
| 型号： | AD9748ACP-PCBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 23/24页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD9748ACP |
| 产品培训模块： | DAC Architectures |
| 标准包装： | 1 |
| 系列： | TxDAC® |
| DAC 的数量： | 1 |
| 位数： | 8 |
| 采样率（每秒）： | 210M |
| 数据接口： | 并联 |
| 设置时间： | 11ns |
| DAC 型： | 电流 |
| 工作温度： | -40°C ~ 85°C |
| 已供物品： | 板 |
| 已用 IC / 零件： | AD9748 |
| 相关产品： | AD9748ACPZ-ND - IC DAC 8BIT 210MSPS 32-LFCSP |
AD9748
Data Sheet
Rev. B | Page 8 of 24
TERMINOLOGY
Linearity Error (Also Called Integral Nonlinearity or INL)
Linearity error is defined as the maximum deviation of the
actual analog output from the ideal output, determined by a
straight line drawn from zero to full scale.
Differential Nonlinearity (or DNL)
DNL is the measure of the variation in analog value, normalized
to full scale, associated with a 1 LSB change in digital input code.
Monotonicity
A DAC is monotonic if the output increases or remains constant
as the digital input increases.
Offset Error
The deviation of the output current from the ideal of zero is
called the offset error. For IOUTA, 0 mA output is expected
when the inputs are all 0s. For IOUTB, 0 mA output is expected
when all inputs are set to 1s.
Gain Error
The difference between the actual and ideal output span. The
actual span is determined by the output when all inputs are set
to 1s minus the output when all inputs are set to 0s.
Output Compliance Range
The range of allowable voltage at the output of a current output
DAC. Operation beyond the maximum compliance limits can
cause either output stage saturation or breakdown, resulting in
nonlinear performance.
Temperature Drift
Temperature drift is specified as the maximum change from the
ambient (25°C) value to the value at either TMIN or TMAX. For offset
and gain drift, the drift is reported in ppm of full-scale range (FSR)
per °C. For reference drift, the drift is reported in ppm per °C.
Power Supply Rejection
The maximum change in the full-scale output as the supplies
are varied from nominal to minimum and maximum specified
voltages.
Settling Time
The time required for the output to reach and remain within a
specified error band about its final value, measured from the
start of the output transition.
Glitch Impulse
Asymmetrical switching times in a DAC give rise to undesired
output transients that are quantified by a glitch impulse. It is
specified as the net area of the glitch in pV-s.
Spurious-Free Dynamic Range
The difference, in dB, between the rms amplitude of the output
signal and the peak spurious signal over the specified
bandwidth.
Total Harmonic Distortion (THD)
THD is the ratio of the rms sum of the first six harmonic
components to the rms value of the measured input signal. It is
expressed as a percentage or in decibels (dB).
Multitone Power Ratio
The spurious-free dynamic range containing multiple carrier
tones of equal amplitude. It is measured as the difference
between the rms amplitude of a carrier tone to the peak
spurious signal in the region of a removed tone.
50
ROHDE & SCHWARZ
FSEA30
SPECTRUM
ANALYZER
MINI-CIRCUITS
T1-1T
*AWG2021 CLOCK
RETIMED SO THAT
THE DIGITAL DATA
TRANSITIONS ON
FALLING EDGE OF
50% DUTY CYCLE
CLOCK.
50
DVDD
DCOM
50
RETIMED
CLOCK
OUTPUT*
DIGITAL
DATA
TEKTRONIX AWG-2021
WITH OPTION 4
LECROY 9210
PULSE GENERATOR
CLOCK
OUTPUT
1.2V REF
3.3V
RSET
0.1
F
SLEEP
REFIO
FS ADJ
DVDD
DCOM
DIGITAL DATA INPUTS (DB7–DB0)
150pF
20pF
3.3V
AVDD
ACOM
AD9748
CURRENT
SOURCE
ARRAY
IOUTA
IOUTB
MODE
LSB
SWITCHES
SEGMENTED
SWITCHES
3.3V
CLKVDD
CLKCOM
CLK–
CLK+
CMODE
LATCHES
100
20pF
03211-004
Figure 4. Basic AC Characterization Test Setup (SOIC/TSSOP Packages)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD9748ACPRL7 | 制造商:Analog Devices 功能描述:DAC 1-CH Segment 8-bit 32-Pin LFCSP EP T/R |
| AD9748ACPZ | 功能描述:IC DAC 8BIT 210MSPS 32-LFCSP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:TxDAC® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 设置时间:4µs 位数:12 数据接口:串行 转换器数目:2 电压电源:单电源 功率耗散（最大）:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-uMAX 包装:管件 输出数目和类型:2 电压，单极 采样率（每秒）:* 产品目录页面:1398 (CN2011-ZH PDF) |
| AD9748ACPZ | 制造商:Analog Devices 功能描述:DAC, 8BIT, 210MSPS, LFCSP-32 |
| AD9748ACPZRL7 | 功能描述:IC DAC 8BIT 210MSPS 32LFCSP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:TxDAC® 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）:* |
| AD9748XCP | 制造商:AD 制造商全称:Analog Devices 功能描述:8-Bit, 165 MSPS TxDAC D/A Converter |
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