ADS5500

SBAS303C − DECEMBER 2003 − REVISED MARCH 2004

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5

ELECTRICAL CHARACTERISTICS (continued)

Typ, min, and max values at TA = +25°C, full temperature range is TMIN = −40°C to tMAX = +85°C, sampling rate = 125MSPS, 50% clock duty

cycle, AVDD = DRVDD = 3.3V, DLL On, −1dBFS differential input, and 3VPP differential clock, unless otherwise noted.

PARAMETER

UNIT

MAX

TYP

MIN

CONDITIONS

Effective number of bits, ENOB

fIN = 70MHz

11.3

Bits

f = 10.1MHz, 15.1MHz

(−7dBFS each tone)

85

dBc

Two-tone intermodulation distortion, IMD

f = 30.1MHz, 35.1MHz

(−7dBFS each tone)

85

dBc

f = 50.1MHz, 55.1MHz

(−7dBFS each tone)

88

dBc

Power Supply

Total supply current, ICC

VIN = full-scale, fIN = 55MHz

AVDD = DRVDD = 3.3V

236

265

mA

Analog supply current, IAVDD

VIN = full-scale, fIN = 55MHz

AVDD = DRVDD = 3.3V

175

190

mA

Output buffer supply current, IDRVDD

VIN = full-scale, fIN = 55MHz

AVDD = DRVDD = 3.3V

61

75

mA

Analog only

578

627

mW

Power dissipation

Total power with 10pF load on

digital output to ground

780

875

mW

Standby power

With clocks running

181

250

mW

DIGITAL CHARACTERISTICS

Typ, min, and max values at TA = +25°C, full temperature range is TMIN = −40°C to tMAX = +85°C, sampling rate = 125MSPS, 50% clock duty

cycle, AVDD = DRVDD = 3.3V, DLL On, −1dBFS differential input, and 3VPP differential clock, unless otherwise noted.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Digital Inputs

High-level input voltage

2.4

V

Low-level input voltage

0.8

V

High-level input current

10

µA

Low-level input current

10

µA

Input current for RESET

−20

µA

Input capacitance

4

pF

Digital Outputs(1)

Low-level output voltage

CLOAD = 10pF(2), fS = 125MSPS

0.3

V

High-level output voltage

CLOAD = 10pF(2), fS = 125MSPS

3.0

V

Output capacitance

3

pF

(1) For optimal performance, all digital output lines (D0:D13), including the output clock, should see a similar load.

(2) Equivalent capacitance to ground of (load + parasitics of transmission lines).