RECOMMENDED OPERATING CONDITIONS

ELECTRICAL CHARACTERISTICS (ADS5481, ADS5482, ADS5483)

ADS5481

ADS5482, ADS5483

ADS5481, ADS5482,

ADS5483

UNIT

MIN

TYP

MAX

SUPPLIES

AVDD5

Analog supply voltage

4.75

5

5.25

V

AVDD3

Analog supply voltage

3.1

3.3

3.6

V

DVDD3

Output driver supply voltage

3

3.3

3.6

V

ANALOG INPUT

Differential input range

3

VCM

Input common mode

3.1

V

DIGITAL OUTPUT (DRY, DATA)

Maximum differential output load (parasitic or intentional)

5

pF

Differential Output Resistance

100

Ω

CLOCK INPUT (CLK)

CLK input sample rate (sine wave)

10

Max

MSPS

Rated

Clock

Clock amplitude, differential sine wave (see Figure 41)

1.5

5

Clock duty cycle (see Figure 46)

45

50

55

%

Operating free-air temperature

–40

+85

°C

sampling rate = Max Rated, 50% clock duty cycle, AVDD5 = 5 V, AVDD3 = 3.3 V, DVDD3 = 3.3 V, –1 dBFS differential input,

ADS5481

ADS5482

ADS5483

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

MIN

TYP

MAX

MIN

TYP

MAX

Clock Rate

80

105

135

MSPS

Resolution

16

16

16

Bits

ANALOG INPUTS

Differential input range

3

3

3

Analog input common-mode

Self-biased; see VCM

3.1

3.1

3.1

V

voltage

specification below

Input resistance (dc)

Each input to VCM

1000

1000

1000

Ω

Input capacitance

Each input to GND

3.5

3.5

3.5

pF

(including package)

Analog input bandwidth

125

125

485

MHz

(–3dB)

Common-mode signal

CMRR

Common-mode rejection ratio

65

65

65

dB

70 MHz (see Figure 28)

INTERNAL REFERENCE VOLTAGE

VREF

Reference voltage

1.2

1.2

1.2

V

Analog input common-mode

With internal voltage

VCM

3

3.15

3.35

3

3.15

3.35

3

3.15

3.35

V

voltage reference output

reference

VCM temperature coefficient

-1

-1

-1

mV/°C

4

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