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DIGITAL CHARACTERISTICS

ADS5500

SBAS303F – DECEMBER 2003 – REVISED FEBRUARY 2007

ELECTRICAL CHARACTERISTICS (continued)

Typ values given at T

A = 25°C, min and max specified over the full recommended operating temperature range, AVDD =

DRV

DD = 3.3 V, sampling rate = 125 Msps, 50% clock duty cycle, DLL On, 3-VPP differential clock, and –1-dBFS differential

input, unless otherwise noted

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

25

°C

80

85

fIN = 10 MHz

Full temp range

78

83

fIN = 30 MHz

82

fIN = 55 MHz

77

THD

Total harmonic distortion

25

°C

77.5

81

dBc

fIN = 70 MHz

Full temp range

76

79.5

fIN = 100 MHz

79

fIN = 150 MHz

75

fIN = 225 MHz

71.8

ENOB

Effective number of bits

fIN = 70 MHz

11.3

Bits

f = 10.1 MHz, 15.1 MHz

95

(–7 dBFS each tone)

f = 30.1 MHz, 35.1 MHz

IMD

Two-tone intermodulation distortion

94

dBFS

(–7 dBFS each tone)

f = 50.1 MHz, 55.1 MHz

94

(–7 dBFS each tone)

ACPSRR AC power supply rejection ratio

Supply noise frequency

≤ 100 MHz

35

dB

POWER SUPPLY

ICC

Total supply current

fIN = 70 MHz

236

265

mA

IAVDD

Analog supply current

fIN = 70 MHz

175

190

mA

fIN = 70 MHz, 10-pF load from

IDRVDD

Output buffer supply current

61

75

mA

digital outputs to ground

Analog only

578

627

mW

Power dissipation

Output buffer power with 10-pF

202

248

mW

load on digital output to ground

Standby power

With clocks running

181

250

mW

Valid over the full recommended operating temperature range, AV

DD = DRVDD = 3.3 V, unless otherwise noted

PARAMETER

TEST 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

Low-level output voltage

CLOAD = 10 pF

0.3

V

High-level output voltage

CLOAD = 10 pF

2.8

3

V

Output capacitance

3

pF

5

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