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参数资料
| 型号： | DC1571A-B |
| 厂商： | Linear Technology |
| 文件页数： | 24/24页 |
| 文件大小： | 0K |
| 描述： | BOARD SAR ADC LTC2382-16 |
| 软件下载： | QuikEval II System |
| 设计资源： | DC1571A Design Files DC1571A Schematic |
| 标准包装： | 1 |
| 系列： | QuikEval™ |
| ADC 的数量： | 1 |
| 位数： | 16 |
| 采样率（每秒）： | 500k |
| 数据接口： | 串行，SPI? |
| 输入范围： | ±2.5 V |
| 在以下条件下的电源（标准）： | 6.5mW @ 500kSPS |
| 工作温度： | 0°C ~ 70°C |
| 已用 IC / 零件： | LTC2382-16 |
| 已供物品： | 板 |
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LTC2382-16
9
238216f
OVERVIEW
The LTC2382-16 is a low noise, low power, high speed 16-bit
successive approximation register (SAR) ADC. Operating
from a single 2.5V supply, the LTC2382-16 supports a
large ±2.5V fully differential input range, making it ideal
for high performance applications which require a wide
dynamic range. The LTC2382-16 achieves ±2LSB INL max,
no missing codes at 16-bits and 92dB SNR.
Fast 500ksps throughput with no cycle latency makes the
LTC2382-16 ideally suited for a wide variety of high speed
applications. An internal oscillator sets the conversion time,
easing external timing considerations. The LTC2382-16
dissipates only 6.5mW at 500ksps, while an auto
power-down feature is provided to further reduce power
dissipation during inactive periods.
The LTC2382-16 features a proprietary sampling
architecture that enables the ADC to begin acquiring the
next sample during the current conversion. The resulting
extended acquisition time of 1.25μs allows the use of
extremely low power ADC drivers.
APPLICATIONS INFORMATION
CONVERTER OPERATION
A rising edge on the CNV pin initiates a conversion. During
the conversion phase, the 16-bit CDAC is sequenced
through a successive approximation algorithm, effectively
comparing the sampled input with binary-weighted
fractions of the reference voltage (e.g. VREF/2, VREF/4 …
VREF/65536) using the differential comparator. At the end
of conversion, the CDAC output approximates the sampled
analog input. The ADC control logic then prepares the
16-bit digital output code for serial transfer.
TRANSFER FUNCTION
The LTC2382-16 digitizes the full-scale voltage of 2 × REF
into 216 levels, resulting in an LSB size of 76μV with
REF = 2.5V. The ideal transfer function is shown in Figure 2.
The output data is in 2’s complement format.
ANALOG INPUT
The analog inputs of the LTC2382-16 are fully differential
in order to maximize the signal swing that can be digitized.
The analog inputs can be modeled by the equivalent
TIMING DIAGRAM
POWER-UP
ACQUIRE
HOLD
POWER-DOWN
CONVERT
D15 D14 D13 D2 D1 D0
SDO
SCK
CNV
CHAIN, RDL/SDI = 0
BUSY
238216 TD01
Conversion Timing Using the Serial Interface
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DC1571A-C | 功能描述:BOARD SAR ADC LTC2381-16 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 |
| DC1571B | 制造商:Aleph America Corporation 功能描述: |
| DC15-73 | 制造商:ALPHA 制造商全称:ALPHA 功能描述:Directional Coupler 1.42-1.66 GHz |
| DC1573A | 制造商:Linear Technology 功能描述:EVAL BOARD, LT3760 LED DRIVER, Topology:Boost (Step Up), No. of Outputs:8, Input 制造商:Linear Technology 功能描述:EVAL BOARD, LT3760 LED DRIVER, Topology:Boost (Step Up), No. of Outputs:8, Input Voltage Min:6V, Input Voltage Max:40V, Dimming Control Type:PWM / Analogue, Kit Contents:Eval Board LT3760 , RoHS Compliant: NA |
| DC15-73LF | 功能描述:信号调节 1.42-1.66GHz Coupling 18.4 dB typ RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel |
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