ISL26320, ISL26321, ISL26322, ISL26323, ISL26324, ISL26325, ISL26329

7

FN8273.0

June 8, 2012

Offset Error Matching

-2

2

LSB

PSRR

Power Supply Rejection Ratio

70

dB

DYNAMIC PERFORMANCE

SNR

Signal-to-Noise

Differential Inputs

73.4

dB

Single-Ended Inputs

73.4

dB

SINAD

Signal-to-Noise + Distortion

Differential Inputs

73.1

dB

Single-Ended Inputs

73.1

dB

THD

Total Harmonic Distortion

Differential Inputs

-86

dB

Single-Ended Inputs

-86

dB

SFDR

Spurious-free Dynamic Range

96

dB

BW

-3dB Input Bandwidth

2.5

MHz

Sampling Aperture Delay

12

ns

Sampling Aperture Jitter

25

ps

POWER SUPPLY REQUIREMENTS

Supply Voltage

2.7

5.25

V

Supply Current

3

3.5

mA

PD

Power Consumption

Normal Operation

15

17.5

mW

IPD

Power-down Current

Auto Power-Down Mode

8

50

μA

Istby

Standby Mode Current

Auto Sleep Mode

0.4

mA

DIGITAL INPUTS

0.7 VDD

V

V

VDD-0.4

V

V

Input Leakage Current

-100

100

nA

Serial Clock Frequency

20

MHz

TIMING SPECIFICATIONS (Note 7)

SCLK Period (in RAC Mode)

50

ns

SCLK Period (in RSC, RDC Modes)

50

100

ns

Safe Data Transfer Time After Conversion

State Begins

1.6

μs

40

ns

Edge of SCLK

10

ns

SDI Hold Time with Respect to Positive

Edge of SCLK

10

ns

SDOUT Valid Time with Respect to

Negative Edge of SCLK

25

ns

Rising Edge (or last SCLK falling edge)

Note 8

85

ns

Acquisition Time when Fully Powered Up

400

ns

at +25°C), unless otherwise specified. Boldface limits apply over the operating temperature range, -40°C to +125°C. (Continued)

SYMBOL

PARAMETER

TEST LEVEL OR NOTES

MIN

(Note 6)

TYP

MAX

(Note 6)

UNITS