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| 型号： | AD7441BRTZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 10/25页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT W/DIFF INP SOT-23-8 |
| 标准包装： | 1 |
| 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： | SOT-23-8 |
| 供应商设备封装： | SOT-23-8 |
| 包装： | 标准包装 |
| 输入数目和类型： | 1 个伪差分，单极 |
| 其它名称： | AD7441BRTZ-REEL7DKR |
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 |
|---|---|
| AD744AH | 制造商:Analog Devices 功能描述:OP Amp Single GP 制造商:Rochester Electronics LLC 功能描述:PRECISION BIPOLAR OP AMP - Bulk |
| AD744AQ | 功能描述:IC OPAMP BIFET 13MHZ PREC 8CDIP RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:150 系列:- 放大器类型:音频 电路数:2 输出类型:- 转换速率:5 V/µs 增益带宽积:12MHz -3db带宽:- 电流 - 输入偏压:100nA 电压 - 输入偏移:500µV 电流 - 电源:6mA 电流 - 输出 / 通道:50mA 电压 - 电源，单路/双路(±):4 V ~ 32 V，±2 V ~ 16 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:8-TSSOP 包装:管件 |
| AD744AQ/+ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage-Feedback Operational Amplifier |
| AD744AR | 制造商:AD 制造商全称:Analog Devices 功能描述:Precision, 500 ns Settling BiFET Op Amp |
| AD744BQ | 功能描述:IC OPAMP BIFET 13MHZ PREC 8CDIP RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:Excalibur™ 放大器类型:J-FET 电路数:1 输出类型:- 转换速率:45 V/µs 增益带宽积:10MHz -3db带宽:- 电流 - 输入偏压:20pA 电压 - 输入偏移:490µV 电流 - 电源:1.7mA 电流 - 输出 / 通道:48mA 电压 - 电源，单路/双路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:带卷 (TR) |
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