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參數資料
型號: AD7678
廠商: Analog Devices, Inc.
英文描述: 18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC
中文描述: 18位,2.5 LSB INL和570 kSPS的SAR型ADC
文件頁數: 5/28頁
文件大?。?/td> 1186K
代理商: AD7678
AD7679
TIMING SPECIFICATIONS
Table 3. –40°C to +85°C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.
Parameter
Refer to Figure 32 and Figure 33
Convert Pulsewidth
Time between Conversions
CNVST LOW to BUSY HIGH Delay
BUSY HIGH All Modes Except Master Serial Read after Convert
Aperture Delay
End of Conversion to BUSY LOW Delay
Conversion Time
Acquisition Time
RESET Pulsewidth
Refer to Figure 34, Figure 35, and Figure 36 (Parallel Interface Modes)
CNVST LOW to Data Valid Delay
Data Valid to BUSY LOW Delay
Bus Access Request to Data Valid
Bus Relinquish Time
Refer to Figure 38 and Figure 39 (Master Serial Interface Modes)
1
CS LOW to SYNC Valid Delay
CS LOW to Internal SCLK Valid Delay
CS LOW to SDOUT Delay
CNVST LOW to SYNC Delay
SYNC Asserted to SCLK First Edge Delay
2
Internal SCLK Period
2
Internal SCLK HIGH
2
Internal SCLK LOW
2
SDOUT Valid Setup Time
2
SDOUT Valid Hold Time
2
SCLK Last Edge to SYNC Delay
2
CS HIGH to SYNC HI-Z
CS HIGH to Internal SCLK HI-Z
CS HIGH to SDOUT HI-Z
BUSY HIGH in Master Serial Read after Convert
2
CNVST LOW to SYNC Asserted Delay
SYNC Deasserted to BUSY LOW Delay
Refer to Figure 40 and Figure 41 (Slave Serial Interface Modes)
External SCLK Setup Time
External SCLK Active Edge to SDOUT Delay
SDIN Setup Time
SDIN Hold Time
External SCLK Period
External SCLK HIGH
External SCLK LOW
1
In serial interface modes, the SYNC, SCLK, and SDOUT timings are defined with a maximum load C
L
of 10 pF; otherwise, the load is 60 pF maximum.
2
In Serial Master Read during Convert mode. See
for Serial Master Read after Convert mode.
Table 4
Symbol
t
1
t
2
t
3
t
4
t
5
t
6
t
7
t
8
t
9
t
10
t
11
t
12
t
13
t
14
t
15
t
16
t
17
t
18
t
19
t
20
t
21
t
22
t
23
t
24
t
25
t
26
t
27
t
28
t
29
t
30
t
31
t
32
t
33
t
34
t
35
t
36
t
37
Min
10
1.75
10
250
10
20
5
3
25
12
7
4
2
3
5
3
5
5
25
10
10
Typ
2
525
See Table 4
1.5
25
Max
35
1.5
1.5
1.5
45
15
10
10
10
40
10
10
10
18
Unit
ns
μs
ns
μs
ns
ns
μs
ns
ns
μs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μs
ns
ns
ns
ns
ns
ns
ns
ns
Rev. 0 | Page 5 of 28
相關PDF資料
PDF描述
AD7679 18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC
AD7679ACP 18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC
AD7679ACPRL 18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC
AD7679AST 18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC
AD7679ASTRL 18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC
相關代理商/技術參數
參數描述
AD7678ACP 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 18-bit Parallel/Serial 48-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:18-BIT,100KSPSSARADC - Bulk 制造商:Analog Devices 功能描述:18BIT SAR ADC SMD 7678 LFSCP-48
AD7678ACPRL 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 18-bit Parallel/Serial 48-Pin LFCSP EP T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 100KSPS 18BIT PARALLEL/SERL 48LFCSP EP - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:18-BIT,100KSPSSARADC - Bulk
AD7678ACPZ 功能描述:IC ADC 18BIT SAR W/BUFF 48LFCSP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:PulSAR® 標準包裝:1 系列:- 位數:14 采樣率(每秒):83k 數據接口:串行,并聯 轉換器數目:1 功率耗散(最大):95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP(0.600",15.24mm) 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端,雙極
AD7678ACPZRL 功能描述:IC ADC 18BIT SAR W/BUFF 48LFCSP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:PulSAR® 標準包裝:1 系列:- 位數:14 采樣率(每秒):83k 數據接口:串行,并聯 轉換器數目:1 功率耗散(最大):95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP(0.600",15.24mm) 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端,雙極
AD7678AST 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 18-bit Parallel/Serial 48-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:18-BIT, 100KSPS SAR ADC - Bulk 制造商:Analog Devices 功能描述:18BIT SAR ADC SMD 7678 LQFP48
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