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參數(shù)資料
| 型號(hào)： | AD7477AAKSZ-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:12; Connector Shell Size:28; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight |
| 中文描述： | 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO6 |
| 封裝： | ROHS COMPLIANT, MO-203AB, SC-70, 6 PIN |
| 文件頁(yè)數(shù)： | 7/24頁(yè) |
| 文件大?。?/td> | 580K |
| 代理商： | AD7477AAKSZ-REEL |
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REV. C
AD7476A/AD7477A/AD7478A
–7–
Timing Example 1
Having f
SCLK
= 20 MHz and a throughput of 1 MSPS gives a
cycle time of t
2
+ 12.5 (1/f
SCLK
) + t
ACQ
= 1
μ
s. With t
2
= 10 ns min,
this leaves t
ACQ
to be 365 ns. This 365 ns satisfies the requirement
of 250 ns for t
ACQ
. From Figure 3, t
ACQ
is comprised of 2.5 (1/f
SCLK
)
+ t
8
+ t
QUIET
, where t
8
= 36 ns max. This allows a value of 204 ns
for t
QUIET
,
satisfying the minimum requirement of 50 ns.
CS
SCLK
SDATA
t
2
t
6
t
3
t
4
ZERO
t
7
DB10
t
5
t
8
t
CONVERT
t
QUIET
ZERO
ZERO
DB11
DB2
DB1
DB0
B
THREE-STATE
THREE-
STATE
Z
4 LEADING ZEROS
1
2
3
4
5
13
14
15
16
t
1
Figure 2. AD7476A Serial Interface Timing Diagram
CS
SCLK
t
2
t
CONVERT
B
1
2
3
4
5
13
14
15
16
C
t
8
t
QUIET
t
ACQ
12.5(1/fSCLK)
1/THROUGHPUT
Figure 3. Serial Interface Timing Example
Timing Example 2
Having f
SCLK
= 5 MHz and a throughput of 315 kSPS gives a
cycle time of t
2
+ 12.5 (1/f
SCLK
) + t
ACQ
= 3.174
μ
s. With t
2
=
10 ns min, this leaves t
ACQ
to be 664 ns. This 664 ns satisfies
the requirement of 250 ns for t
ACQ
. From Figure 3, t
ACQ
is
comprised of 2.5 (1/f
SCLK
) + t
8
+ t
QUIET
, t
8
= 36 ns max. This
allows a value of 128 ns for t
QUIET
,
satisfying the minimum
requirement of 50 ns. As 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 t
QUIET
between conversions. In Example 2, the
signal should be fully acquired at approximately Point C in
Figure 3.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7478AAKSZ-REEL | Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:3; Connector Shell Size:28; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight |
| AD7477AAKSZ-REEL7 | GT 12C 6#12 6#16 PIN RECP WALL |
| AD7478AAKSZ-REEL7 | GT 12C 6#12 6#16 SKT RECP WALL |
| AD7476AYKSZ-REEL7 | 2.35 V to 5.25 V, 1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SC70 |
| AD7476SRTZ-R2 | PTSE 11C 11#16 STR PLUG |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7477AAKSZ-REEL3 | 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 |
| AD7477AAKSZ-REEL7 | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 10-bit Serial 6-Pin SC-70 T/R |
| AD7477AAKSZ-REEL73 | 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 |
| AD7477AARM | 制造商:Rochester Electronics LLC 功能描述:10-BIT LOW POWER ADC IN USOIC PKG I.C - Bulk 制造商:Analog Devices 功能描述:IC 10BIT ADC SMD 7477 MSOP8 |
| AD7477AARM-REEL | 制造商:Analog Devices 功能描述:ADC SGL SAR 1MSPS 10-BIT SERL 8MSOP - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:10-BIT LOW POWER ADC IN USOIC PKG I.C - Tape and Reel |
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