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参数资料
| 型号： | DC1500A-A |
| 厂商： | Linear Technology |
| 文件页数： | 5/24页 |
| 文件大小： | 0K |
| 描述： | BOARD SAR ADC LTC2393-16 |
| 软件下载： | QuikEval II System |
| 设计资源： | DC1500A Design File DC1500A Schematic |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 16 |
| 采样率（每秒）： | 1M |
| 数据接口： | 串行，并联 |
| 输入范围： | ±4.096 V |
| 在以下条件下的电源（标准）： | 140mW @ 1MSPS |
| 工作温度： | 0°C ~ 70°C |
| 已用 IC / 零件： | LTC2393-16 |
| 已供物品： | 板 |
| 相关产品： | DC718C-ND - DEMO QUIKEVAL-II DATA LTC2393IUK-16#TRPBF-ND - IC ADC 16BIT SER/PAR 1M 48-QFN LTC2393CUK-16#TRPBF-ND - IC ADC 16BIT SER/PAR 1M 48-QFN LTC2393ILX-16#PBF-ND - IC ADC 16BIT SER/PAR 1M 48-LQFP LTC2393IUK-16#PBF-ND - IC ADC 16BIT SER/PAR 1M 48-QFN LTC2393HLX-16#PBF-ND - IC ADC 16BIT SER/PAR 1M 48-LQFP LTC2393CUK-16#PBF-ND - IC ADC 16BIT SER/PAR 1M 48-QFN LTC2393CLX-16#PBF-ND - IC ADC 16BIT SER/PAR 1M 48-LQFP |
LTC2393-16
13
239316fa
APPLICATIONS INFORMATION
Internal Reference
To use the internal reference, simply tie the REFOUT and
REFIN pins together. This connects the 4.096V output of
the internal reference to the input of the internal reference
buffer. The output impedance of the internal reference is
approximately 2.6kΩ and the input impedance of the in-
ternal reference buffer is about 85kΩ. It is recommended
that this node be bypassed to ground with a 1μF or larger
capacitor to filter the output noise of the internal reference.
The REFSENSE pin should be left floating when using the
internal reference.
External Reference
An external reference can be used with the LTC2393-16
when even higher performance is required. The
LT1790-4.096 offers 0.05% (max) initial accuracy and
10ppm/°C (max) temperature coefficient. When using an
external reference, connect the reference output to the
REFIN pin and connect the REFOUT pin to ground. The
REFSENSE pin should be connected to the ground of the
external reference.
DYNAMIC PERFORMANCE
Fast fourier transform (FFT) techniques are used to test
the ADC’s frequency response, distortion and noise at the
rated throughput. By applying a low distortion sine wave
and analyzing the digital output using an FFT algorithm,
the ADC’s spectral content can be examined for frequen-
cies outside the fundamental. The LTC2393-16 provides
guaranteed tested limits for both AC distortion and noise
measurements.
Signal-to-Noise and Distortion Ratio (SINAD)
The signal-to-noise and distortion ratio (SINAD) is the
ratio between the RMS amplitude of the fundamental input
frequency and 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 5 shows that the LTC2393-16 achieves
a typical SINAD of 93.9dB at a 1MHz sampling rate with
a 20kHz input.
Figure 5. 16k Point FFT of the LTC2393-16, fS = 1Msps, fIN = 20kHz
FREQUENCY (kHz)
0
–180
AMPLITUDE
(dBFS)
–160
–120
–100
–80
200
400
500
0
239316 G08
–140
100
300
–60
–40
–20
SNR = 94.2dB
THD
–105dB
SINAD = 93.9dB
SFDR = 108dB
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DC1500A-A | 制造商:Linear Technology 功能描述:LTC2393-16 W/ LT6350 OPTIMIZED DRIVER 5 |
| DC1500A-B | 功能描述:BOARD SAR ADC LTC2392-16 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:- 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 |
| DC1500A-C | 功能描述:BOARD SAR ADC LTC2391-16 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:- 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 |
| DC1500B2 PK2 | 制造商:Duracell 功能描述:Battery, Rechargeable, Nickel Metal Hydride, AA cell, 2 pk, 1.2 V |
| DC1500B4 PK4 | 制造商:Duracell 功能描述:Battery, Rechargeable, Nickel Metal Hydride, AA cell, 4 PK, 1.2 V |
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