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AD7650

TIMING SPECIFICATIONS

Parameter

Symbol

Min

Typ

Max

Unit

REFER TO FIGURES 8 AND 9

Convert Pulsewidth

5ns

Time Between Conversions

1.75/2/2.25

Note 1

µs

(Warp Mode/Normal Mode/Impulse Mode)

CNVST LOW to BUSY HIGH Delay

30

ns

BUSY HIGH All Modes Except in

1.5/1.75/2

µs

Master Serial Read After Convert Mode

(Warp Mode/Normal Mode/Impulse Mode)

Aperture Delay

2ns

End of Conversion to BUSY LOW Delay

10

ns

Conversion Time

1.5/1.75/2

µs

(Warp Mode/Normal Mode/Impulse Mode)

Acquisition Time

250

ns

RESET Pulsewidth

10

ns

REFER TO FIGURES 10, 11 AND 12

(Parallel Interface Modes)

CNVST LOW to DATA Valid Delay

1.5/1.75/2

µs

(Warp Mode/Normal Mode/Impulse Mode)

DATA Valid to BUSY LOW Delay

45

ns

Bus Access Request to DATA Valid

40

ns

Bus Relinquish Time

515

ns

REFER TO FIGURES 13 AND 14

(Master Serial Interface Modes)

2

CS LOW to SYNC Valid Delay

10

ns

10

ns

CS LOW to SDOUT Delay

10

ns

CNVST LOW to SYNC Delay

25/275/525

ns

(Warp Mode/Normal Mode/Impulse Mode)

SYNC Asserted to SCLK First Edge Delay

4ns

Internal SCLK Period

40

75

ns

Internal SCLK HIGH (INVSCLK Low)

3

30

ns

Internal SCLK LOW (INVSCLK Low)

3

9.5

ns

SDOUT Valid Setup Time

4.5

ns

SDOUT Valid Hold Time

3ns

Parameter

Condition

Min

Typ

Max

Unit

POWER SUPPLIES (continued)

Operating Current

5

570 kSPS Throughput

AVDD

15.5

mA

DVDD

6

4.2

mA

OVDD

6

100

µA

Power Dissipation

6

570 kSPS Throughput

5

115

mW

444 kSPS Throughput

7

77

mW

100 SPS Throughput

7

21

µW

In Power-Down Mode

8

7

µW

Specified Performance

–40

+85

°C

NOTES

µV.

Specifications subject to change without notice.

(–40 C to +85 C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.)

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AD7650