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参数资料
| 型号： | LTC1415CG#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 10/24页 |
| 文件大小： | 0K |
| 描述： | IC A/D CONV 12BIT SAMPLNG 28SSOP |
| 标准包装： | 47 |
| 位数： | 12 |
| 采样率（每秒）： | 1.25M |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 100mW |
| 电压电源： | 单电源 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 管件 |
| 输入数目和类型： | 2 个单端，双极；1 个差分，双极 |
18
LTC1415
APPLICATIONS INFORMATION
WU
U
Figure 13d. Suggested Evaluation Circuit Board Solder Side Layout
DIGITAL INTERFACE
The A/D converter is designed to interface with micropro-
cessors as a memory mapped device. The CS and RD
control inputs are common to all peripheral memory
interfacing. A separate CONVST is used to initiate a
conversion.
Internal Clock
The A/D converter has an internal clock that eliminates the
need of synchronization between the external clock and
the CS and RD signals found in other ADCs. The internal
clock is factory trimmed to achieve a typical conversion
time of 0.70
s and a maximum conversion time over the
full operating temperature range of 0.75
s. No external
adjustments are required. The guaranteed maximum
acquisition time is 150ns. In addition, a throughput time of
800ns and a minimum sampling rate of 1.25Msps are
guaranteed.
Power Shutdown
The LTC1415 provides two power shutdown modes, Nap
and Sleep, to save power during inactive periods. The
Nap mode reduces the power by 87% and leaves only the
digital logic and reference powered up. The wake-up time
from Nap to active is 200ns. Follow the setup time shown
in Figure 14a to avoid inadvertently invoking Sleep mode.
In Sleep mode all bias currents are shut down and only
leakage current remains, about 1
A. Wake-up time from
Sleep mode is much slower since the reference circuit
must power up and settle to 0.01% for full 12-bit accu-
racy. Sleep mode wake-up time is dependent on the value
of the capacitor connected to the REFCOMP (Pin 4). The
wake-up time is 10ms with the recommended 10
F
capacitor. Shutdown is controlled by Pin 21 (SHDN); the
ADC is in shutdown when it is low. The shutdown mode is
selected with Pin 20 (NAP/SLP); high selects Nap.
Figure 14a. NAP/SLP to SHDN Timing
t3
NAP/SLP
SHDN
1415 F14a
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相关代理商/技术参数 |
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| LTC1415CSW | 功能描述:IC A/D CONV 12BIT SAMPLNG 28SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| LTC1415CSW#PBF | 功能描述:IC A/D CONV 12BIT SAMPLNG 28SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:microPOWER™ 位数:8 采样率（每秒）:1M 数据接口:串行，SPI? 转换器数目:1 功率耗散（最大）:- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘（4x4） 包装:Digi-Reel® 输入数目和类型:8 个单端，单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6 |
| LTC1415CSW#TR | 功能描述:IC ADC 12BIT 1.25MSPS SMP 28SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| LTC1415CSW#TRPBF | 功能描述:IC A/D CONV 12BIT SAMPLNG 28SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| LTC1415CSWPBF | 制造商:Linear Technology 功能描述:LTC1415CSWPBF |
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