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參數(shù)資料
| 型號(hào)： | EVAL-AD7476ACBZ |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 2/29頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVALUATION FOR AD7476A |
| 標(biāo)準(zhǔn)包裝： | 1 |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 1M |
| 數(shù)據(jù)接口： | 串行 |
| 輸入范圍： | 0 ~ 5.25 V |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 17.5mW @ 1MSPS，5 V |
| 工作溫度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7476A |
| 已供物品： | 板，CD |
| 相關(guān)產(chǎn)品： | AD7476ARTZ-500RL7DKR-ND - IC ADC 12BIT 1MSPS SOT-23-6 AD7476ABKSZREELDKR-ND - IC ADC 12BIT 1MSPS SC70-6 AD7476BRTZ-R2TR-ND - IC ADC 12BIT 1MSPS SOT23-6 AD7476ARTZ-REEL7-ND - IC ADC 12BIT 1MSPS LP SOT23-6 AD7476ABKSZ-500RL7-ND - IC ADC 12BIT 1MSPS LP SC70-6 AD7476AAKSZ-REEL7-ND - IC ADC 12BIT 1MSPS LP SC70-6 AD7476AAKSZ-500RL7TR-ND - IC ADC 12BIT 1MSPS LP SC70-6 AD7476AYRMZ-REEL7-ND - IC ADC 12BIT 1MSPS LP 8MSOP AD7476AAKSZ-REEL-ND - IC ADC 12BIT 1MSPS LP SC70-6 AD7476ARTZ-500RL7CT-ND - IC ADC 12BIT 1MSPS SOT-23-6 更多... |
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AD7476A/AD7477A/AD7478A
Rev. F | Page 9 of 28
Timing Diagrams
TO OUTPUT
PIN
CL
50pF
200
A
IOH
200
A
IOL
1.6V
02930-002
Figure 2. Load Circuit for Digital Output Timing Specifications
Timing Example 1
Having fSCLK = 20 MHz and a throughput of 1 MSPS, a cycle
time of
t2 + 12.5 (1/fSCLK) + tACQ = 1 s
where:
t2 = 10 ns min, leaving tACQ to be 365 ns. This 365 ns satisfies the
requirement of 250 ns for tACQ.
2.5 (1/fSCLK) + t8 + tQUIET
where:
t8 = 36 ns maximum. This allows a value of 204 ns for tQUIET,
satisfying the minimum requirement of 50 ns.
Timing Example 2
Having fSCLK = 5 MHz and a throughput is 315 kSPS yields a
cycle time of
t2 + 12.5 (1/fSCLK) + tACQ = 3.174 s
where:
t2 = 10 ns min, this leaves tACQ to be 664 ns. This 664 ns satisfies
the requirement of 250 ns for tACQ.
2.5 (1/fSCLK) + t8 + tQUIET, t8 = 36 ns maximum
This allows a value of 128 ns for tQUIET, satisfying the minimum
requirement of 50 ns.
In this example and with other, slower clock values, the signal
may already be acquired before the conversion is complete, but
it is still necessary to leave 50 ns minimum tQUIET between
conversions. In Example 2, acquire the signal fully at
approximately Point C in Figure 4.
CS
SCLK
SDATA
t2
t6
t3
t4
t7
t5
t8
tCONVERT
tQUIET
ZERO
DB11
DB10
DB2
DB1
DB0
B
THREE-STATE
THREE-
STATE
Z
4 LEADING ZEROS
1
3
13
14
15
16
t1
4
5
2
02930-003
Figure 3. AD7476A Serial Interface Timing Diagram
CS
SCLK
t2
tCONVERT
B
1
2
5
13
14
15
16
C
t8
tQUIET
tACQ
12.5(1/fSCLK)
1/THROUGHPUT
3
4
02930-004
Figure 4. Serial Interface Timing Example
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD7476CB | 制造商:Analog Devices 功能描述:Evaluation Board For AD7476 制造商:Analog Devices 功能描述:EVALUATION BOARD I.C. - Bulk |
| EVAL-AD7476CBZ | 功能描述:BOARD EVAL FOR AD7476 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:* 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7477ACB | 制造商:Analog Devices 功能描述:EVAL BD FOR AD7477A 12-/10-/8BIT ADCS IN 6-LEAD SC70 - Bulk |
| EVAL-AD7477ACB4 | 制造商:AD 制造商全稱:Analog Devices 功能描述:2.35 V to 5.25 V, 1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SC70 |
| EVAL-AD7477CB | 制造商:Analog Devices 功能描述:EVALUATION BOARD I.C. - Bulk |
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