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参数资料
| 型号： | DC1190A-B |
| 厂商： | Linear Technology |
| 文件页数： | 4/24页 |
| 文件大小： | 0K |
| 描述： | BOARD SAR ADC LTC2365 |
| 软件下载： | QuikEval System |
| 设计资源： | DC1190A Design Files DC1190A Schematic |
| 标准包装： | 1 |
| 系列： | QuikEval™ |
| ADC 的数量： | 1 |
| 位数： | 12 |
| 采样率（每秒）： | 1M |
| 数据接口： | MICROWIRE?，串行，SPI? |
| 已用 IC / 零件： | LTC2365 |
| 已供物品： | 板 |
| 相关产品： | LTC2365ITS8#TRPBF-ND - IC ADC 12BIT 1MSPS TSOT23-8 LTC2365ITS8#TRMPBFTR-ND - IC ADC 12BIT 1MSPS TSOT23-8 LTC2365IS6#TRPBF-ND - IC ADC 12BIT 1MSPS TSOT23-6 LTC2365IS6#TRMPBFTR-ND - IC ADC 12BIT 1MSPS TSOT23-6 LTC2365HTS8#TRPBF-ND - IC ADC 12BIT 1MSPS TSOT23-8 LTC2365HTS8#TRMPBFTR-ND - IC ADC 12BIT 1MSPS TSOT23-8 LTC2365HS6#TRPBF-ND - IC ADC 12BIT 1MSPS TSOT23-6 LTC2365HS6#TRMPBFTR-ND - IC ADC 12BIT 1MSPS TSOT23-6 LTC2365CTS8#TRPBF-ND - IC ADC 12BIT 1MSPS TSOT23-8 LTC2365CTS8#TRMPBFTR-ND - IC ADC 12BIT 1MSPS TSOT23-8 更多... |
LTC2365/LTC2366
12
23656fb
For more information www.linear.com/LTC2365
Signal-to-Noise Plus Distortion Ratio
The signal-to-noise plus distortion ratio (SINAD) is the
ratio between the RMS amplitude of the fundamental input
frequency to the RMS amplitude of all other frequency
components at the A/D output. The output is band limited
to frequencies from above DC and below half the sampling
frequency. Figure 6 shows a typical FFT with a 3MHz sam-
pling rate and a 1MHz input. The dynamic performance
is excellent for input frequencies up to and beyond the
Nyquist frequency of 1.5MHz.
Effective Number of Bits
The effective number of bits (ENOB) is a measurement
of the resolution of an ADC and is directly related to
SINAD by the equation:
ENOB = (SINAD – 1.76)/6.02
where ENOB is the effective number of bits of resolu-
tion and SINAD is expressed in dB. At the maximum
sampling rate of 3MHz, the LTC2366 maintains ENOB
above 11 bits up to the Nyquist input frequency of 1.5MHz
(refer to Figure 7).
Total Harmonic Distortion
The total harmonic distortion (THD) is the ratio of the RMS
sum of all harmonics of the input signal to the fundamental
itself. The out-of-band harmonics alias into the frequency
band between DC and half the sampling frequency. THD
is expressed as:
THD
= 20log
V22 + V32 + V42 +...Vn2
V1
where V1 is the RMS amplitude of the fundamental
frequency and V2 through Vn are the amplitudes of the
second through nth harmonics. THD versus Input Fre-
quency is shown in Figure 8. The LTC2366 has excellent
distortion performance up to the Nyquist frequency and
beyond.
Figure 8. LTC2366 Distortion vs Input Frequency
applications inForMation
Figure 7. LTC2366 ENOB and SINAD vs Input Frequency
INPUT FREQUENCY (kHz)
100
70.0
SINAD
(dB)
ENOB
70.5
71.0
71.5
72.0
72.5
73.0
11.34
11.50
11.67
11.83
1000 1500
23656 F07
VDD = 2.35V
VDD = 3.6V
VDD = 3V
INPUT FREQUENCY (kHz)
100
THD
(dB) –80
–78
–76
1500
23656 F08
–82
–84
–88
1000
–86
–72
–74
VDD = 2.35V
VDD = 3.6V
VDD = 3V
RIN = 10
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| DC1190A-C | 功能描述:BOARD SAR ADC LTC2362 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:QuikEval™ 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
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| DC1190A-E | 功能描述:BOARD SAR ADC LTC2360 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:QuikEval™ 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| DC1192A | 制造商:Linear Technology 功能描述:BOARD EVAL LT6105 |
| DC1194A | 功能描述:BOARD EVAL LTM8020 RoHS:否 类别:编程器，开发系统 >> 评估板 - DC/DC 与 AC/DC（离线）SMPS 系列:µModule® 标准包装:1 系列:- 主要目的:DC/DC，步降 输出及类型:1，非隔离 功率 - 输出:- 输出电压:3.3V 电流 - 输出:3A 输入电压:4.5 V ~ 28 V 稳压器拓扑结构:降压 频率 - 开关:250kHz 板类型:完全填充 已供物品:板 已用 IC / 零件:L7981 其它名称:497-12113STEVAL-ISA094V1-ND |
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