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| 型号： | ADS62P44IRGCT |
| 厂商： | Texas Instruments |
| 文件页数： | 66/78页 |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT DUAL 105MSPS 64VQFN |
| 产品培训模块： | Data Converter Basics |
| 标准包装： | 1 |
| 位数： | 14 |
| 采样率（每秒）： | 105M |
| 数据接口： | 串行，并联 |
| 转换器数目： | 2 |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-VFQFN 裸露焊盘 |
| 供应商设备封装： | 64-VQFN 裸露焊盘（9x9） |
| 包装： | 标准包装 |
| 输入数目和类型： | 2 个差分，单极 |
| 其它名称： | 296-23137-6 |
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THD + 10Log
10 Ps
P
N
(ExpressedindBc)
DVSUP
DVOUT
10
PSRR=20Log
(ExpressedindBc)
DVCM
DVOUT
10
CMRR=20Log
SLAS561C
– JULY 2007 – REVISED FEBRUARY 2012
Total Harmonic Distortion (THD)
– THD is the ratio of the power of the fundamental (PS) to the power of the
first nine harmonics (PD).
(9)
THD is typically given in units of dBc (dB to carrier).
Spurious-Free Dynamic Range (SFDR)
– The ratio of the power of the fundamental to the highest other
spectral component (either spur or harmonic). SFDR is typically given in units of dBc (dB to carrier).
Two-Tone Intermodulation Distortion
– IMD3 is the ratio of the power of the fundamental (at frequencies f1
and f2) to the power of the worst spectral component at either frequency 2f1
–f2 or 2f2–f1. IMD3 is either given in
units of dBc (dB to carrier) when the absolute power of the fundamental is used as the reference, or dBFS (dB to
full scale) when the power of the fundamental is extrapolated to the converter
’s full-scale range.
DC Power Supply Rejection Ratio (DC PSRR)
– The DC PSSR is the ratio of the change in offset error to a
change in analog supply voltage. The DC PSRR is typically given in units of mV/V.
AC Power Supply Rejection Ratio (AC PSRR)
– AC PSRR is the measure of rejection of variations in the
supply voltage by the ADC. If
ΔVsup is the change in supply voltage and ΔVout is the resultant change of the
ADC output code (referred to the input), then
(10)
Voltage Overload Recovery
– The number of clock cycles taken to recover to less than 1% error after an
overload on the analog inputs. This is tested by separately applying a sine wave signal with 6dB positive and
negative overload. The deviation of the first few samples after the overload (from their expected values) is noted.
Common Mode Rejection Ratio (CMRR)
– CMRR is the measure of rejection of variation in the analog input
common-mode by the ADC. If
ΔVcm_in is the change in the common-mode voltage of the input pins and ΔVout
is the resultant change of the ADC output code (referred to the input), then
(11)
Cross-Talk (only for multi-channel ADC)
– This is a measure of the internal coupling of a signal from adjacent
channel into the channel of interest. It is specified separately for coupling from the immediate neighboring
channel (near-channel) and for coupling from channel across the package (far-channel). It is usually measured
by applying a full-scale signal in the adjacent channel. Cross-talk is the ratio of the power of the coupling signal
(as measured at the output of the channel of interest) to the power of the signal applied at the adjacent channel
input. It is typically expressed in dBc.
Copyright
2007–2012, Texas Instruments Incorporated
69
Product Folder Link(s): ADS62P45, ADS62P44 ADS62P43, ADS62P42
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| ADS62P44IRGCTG4 | 功能描述:模数转换器 - ADC DUAL 14B 105MSPS Para ADC 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 |
| ADS62P44RGC | 制造商:TI 制造商全称:Texas Instruments 功能描述:Dual Channel 14-Bit, 125/105/80/65 MSPS ADC with Parallel CMOS/DDR LVDS outputs |
| ADS62P45 | 制造商:TI 制造商全称:Texas Instruments 功能描述:Dual Channel 14-Bit, 125/105/80/65 MSPS ADC with Parallel CMOS/DDR LVDS outputs |
| ADS62P45_08 | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL CHANNEL, 14-BITS, 125/105/80/65 MSPS ADC WITH DDR LVDS/CMOS OUTPUTS |
| ADS62P45EVM | 功能描述:数据转换 IC 开发工具 ADS62P25 Eval Mod RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
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