REV. 0

–3–

AD7665

Parameter

Conditions

Min

Typ

Max

Unit

POWER SUPPLIES (Continued)

Power Dissipation

5, 6

444 kSPS Throughput

7

64

74

mW

100 SPS Throughput

7

15

µW

570 kSPS Throughput

4

93

107

mW

In Power-Down Mode

8

7

µW

TEMPERATURE RANGE

9

Specified Performance

–40

+85

°C

NOTES

± 5 V input range, one LSB is 152.588 µV.

Specifications subject to change without notice.

Table I. Analog Input Configuration

Input Voltage

Input

Range

IND (4R)

INC (4R)

INB (2R)

INA (R)

Impedance

1

±4 REF

INGND

INGND

REF

5.85 k

Ω

±2 REF

INGND

REF

3.41 k

Ω

±REF

REF

2.56 k

Ω

0 V to 4 REF

INGND

INGND

3.41 k

Ω

0 V to 2 REF

INGND

2.56 k

Ω

0 V to REF

Note 2

NOTES

TIMING SPECIFICATIONS

Symbol

Min

Typ

Max

Unit

Refer to Figures 11 and 12

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 Master Serial Read after

0.75/1/1.25

µs

Convert Mode (Warp Mode/Normal Mode/Impulse Mode)

Aperture Delay

2ns

End of Conversion to BUSY LOW Delay

10

ns

Conversion Time (Warp Mode/Normal Mode/Impulse Mode)

0.75/1/1.25

µs

Acquisition Time

1

µs

RESET Pulsewidth

10

ns

Refer to Figures 13, 14, and 15 (Parallel Interface Modes)

CNVST LOW to DATA Valid Delay

0.75/1/1.25

µs

(Warp Mode/Normal Mode/Impulse Mode)

DATA Valid to BUSY LOW Delay

20

ns

Bus Access Request to DATA Valid

40

ns

Bus Relinquish Time

515

ns

Refer to Figures 17 and 18 (Master Serial Interface Modes)

2

CS LOW to SYNC Valid Delay

10

ns

CS LOW to Internal SCLK Valid Delay

10

ns

CS LOW to SDOUT Delay

10

ns

CNVST LOW to SYNC Delay (Read During Convert)

25/275/525

ns

(Warp Mode/Normal Mode/Impulse Mode)

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