AD7661 datasheet(6/32 Pages) AD

部件名	AD7661

功能描述	16-Bit, 250 kSPS, Unipolar/Bipolar Programmable Input PulSAR ADC

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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AD7610

Rev. 0 | Page 6 of 32

Table 4. Serial Clock Timings in Master Read After Convert Mode

DIVSCLK[1]

0

1

DIVSCLK[0]

Symbol

0

1

0

1

Unit

SYNC to SDCLK First Edge Delay Minimum

t18

3

20

ns

Internal SDCLK Period Minimum

t19

30

60

120

240

ns

Internal SDCLK Period Maximum

t19

45

90

180

360

ns

Internal SDCLK High Minimum

t20

15

30

60

120

ns

Internal SDCLK Low Minimum

t21

10

25

55

115

ns

SDOUT Valid Setup Time Minimum

t22

4

20

ns

SDOUT Valid Hold Time Minimum

t23

5

8

35

90

ns

SDCLK Last Edge to SYNC Delay Minimum

t24

5

7

35

90

ns

BUSY High Width Maximum

t28

2.25

3.00

4.40

7.30

μs

NOTES

1. IN SERIAL INTERFACE MODES, THE SYNC, SCLK, AND

SDOUT ARE DEFINED WITH A MAXIMUM LOAD

CL OF 10pF; OTHERWISE, THE LOAD IS 60pF MAXIMUM.

1.6mA

IOL

500µA

IOH

1.4V

TO OUTPUT

CL

60pF

Figure 2. Load Circuit for Digital Interface Timing,

SDOUT, SYNC, and SCLK Outputs, CL = 10 pF

0.8V

2V

0.8V

2V

tDELAY

Figure 3. Voltage Reference Levels for Timing

类似零件编号 - AD7661

制造商	部件名	数据表	功能描述
Analog Devices	AD7661	336Kb / 23P	16-Bit 1 MSPS SAR Unipolar ADC with Ref REV. PrA
	AD7661	320Kb / 24P	16-Bit, 570 kSPS PulSAR Unipolar CMOS ADC REV. E
	AD7661	818Kb / 32P	16-Bit, 750 kSPS, Unipolar/Bipolar Programmable Input PulSAR ADC REV. 0
	AD7661	485Kb / 29P	16-Bit 100 kSPS PulSAR Unipolar ADC with Reference
	AD7661	1Mb / 28P	18-Bit, 2.5 LSB INL, 800 kSPS SAR ADC REV. 0

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类似说明 - AD7661

制造商	部件名	数据表	功能描述
Analog Devices	AD7610	684Kb / 33P	16-Bit, 250 kSPS, Unipolar/Bipolar Programmable Input PulSAR ADC
	AD7610	627Kb / 32P	16-Bit, 250 kSPS, Unipolar/Bipolar Programmable Input PulSAR REV. A
	AD7612	818Kb / 32P	16-Bit, 750 kSPS, Unipolar/Bipolar Programmable Input PulSAR ADC REV. 0
	AD7612	582Kb / 33P	16-Bit, 750 kSPS, Unipolar/Bipolar Programmable Input PulSAR ADC
	AD7612	525Kb / 32P	16-Bit, 750 kSPS, Unipolar/Bipolar Programmable Input PulSAR REV. A
	AD7631	664Kb / 33P	18-Bit, 250 kSPS, Differential Programmable Input PulSAR ADC
	AD7631	333Kb / 14P	18-Bit 250/670 kSPS PulSAR Bipolar Programmable Inputs ADC Rev. PrC
	AD7664	556Kb / 25P	16-Bit, 570 kSPS PulSAR Unipolar CMOS ADC
	AD7664ASTZRL	320Kb / 24P	16-Bit, 570 kSPS PulSAR Unipolar CMOS ADC REV. E
	AD7660	488Kb / 21P	16-Bit, 100 kSPS PulSAR Unipolar CMOS ADC

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