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参数资料
| 型号： | AD7441BRMZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 10/25页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT PSDO IN 1MSPS 8MSOP |
| 标准包装： | 50 |
| 位数： | 10 |
| 采样率（每秒）： | 1M |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 9.25mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 管件 |
| 输入数目和类型： | 1 个伪差分，单极 |
AD7441/AD7451
Rev. D | Page 17 of 24
Timing Example 2
Timing Example 1
Having fSCLK = 5 MHz and a throughput rate of 315 kSPS gives a
cycle time of
Having fSCLK = 18 MHz and a throughput rate of 1 MSPS gives a
cycle time of
1/Throughput = 1/315,000 = 3.174 μs
1/Throughput = 1/1,000,000 = 1 μs
A cycle consists of
t2 + 12.5 (1/fSCLK) + tACQUISITION = 3.174 μs
t2 + 12.5 (1/fSCLK) + tACQUISITION = 1 μs
Therefore, if t2 is 10 ns, then
Therefore, if t2 = 10 ns, then
10 ns + 12.5 (1/5 MHz) + tACQUISITION = 3.174 μs
tACQUISITION = 664 ns
10 ns + 12.5 (1/18 MHz) + tACQUISITION = 1 μs
tACQUISITION = 296 ns
This 664 ns satisfies the requirement of 290 ns for tACQUISITION.
This 296 ns satisfies the requirement of 290 ns for tACQUISITION.
2.5 (1/fSCLK) + t8 = tQUIET
where t8 = 35 ns. This allows a value of 129 ns for tQUIET,
satisfying the minimum requirement of 60 ns.
where t8 = 35 ns. This allows a value of 122 ns for tQUIET,
satisfying the minimum requirement of 60 ns.
As in this example and with other slower clock values, the signal
can already be acquired before the conversion is complete, but it
is still necessary to leave 60 ns minimum tQUIET between conver-
sions. In Example 2, the signal is fully acquired at approximately
Point C in Figure 28.
t2
t8
t6
t5
tCONVERT
CS
SCLK
12
3
4
5
13
14
15
16
12.5(1/
fSCLK)
tACQUISITION
1/THROUGHPUT
tQUIET
10ns
B
C
03
15
3-
02
8
Figure 28. Serial Interface Timing Example
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7441BRT | 制造商:AD 制造商全称:Analog Devices 功能描述:Pseudo Differential, 1MSPS, 12- & 10-Bit ADCs in 8-lead SOT-23 |
| AD7441BRT-R2 | 功能描述:IC ADC 10BIT W/DIFF INP SOT-23-8 RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 位数:12 采样率（每秒）:3M 数据接口:- 转换器数目:- 功率耗散（最大）:- 电压电源:- 工作温度:- 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-23-6 包装:带卷 (TR) 输入数目和类型:- |
| AD7441BRT-REEL7 | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 10-bit Serial 8-Pin SOT-23 T/R |
| AD7441BRTZ-R2 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD7441BRTZ-REEL7 | 功能描述:IC ADC 10BIT W/DIFF INP SOT-23-8 RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:2,500 系列:- 位数:16 采样率（每秒）:15 数据接口:MICROWIRE?，串行，SPI? 转换器数目:1 功率耗散（最大）:480µW 电压电源:单电源 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:38-WFQFN 裸露焊盘 供应商设备封装:38-QFN（5x7） 包装:带卷 (TR) 输入数目和类型:16 个单端，双极；8 个差分，双极 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
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