ADS5474-SP

SLAS574A – SEPTEMBER 2013 – REVISED DECEMBER 2013

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RECOMMENDED OPERATING CONDITIONS

MIN

TYP

MAX

UNIT

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

2.2

VCM

Input common mode

3.1

V

DIGITAL OUTPUT (DRY, DATA, OVR)

Maximum differential output load

10

pF

CLOCK INPUT (CLK)

CLK input sample rate (sine wave)

400

MSPS

0.5

5

40

50

60

%

Operating case temperature range

–55

+125

°C

(1)

Parameters are assured by characterization, but not production tested.

ELECTRICAL CHARACTERISTICS

sampling rate = 400 MSPS, 50% clock duty cycle, AVDD5 = 5 V, AVDD3 = 3.3 V, DVDD3 = 3.3 V, –1 dBFS differential input,

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Resolution

14

Bits

ANALOG INPUTS

Differential input range

2.2

Analog input common-mode voltage

Self-biased; see VCM specification below

3.1

V

Input resistance (dc)

Each input to VCM

500

Ω

Input capacitance

Each input to GND

7.4

pF

Analog input bandwidth (–3dB)

1.28

GHz

Common-mode signal < 50 MHz

CMRR

Common-mode rejection ratio

100

dB

(see Figure 28)

INTERNAL REFERENCE VOLTAGE

VREF

Reference voltage

2.4

V

With internal VREF. Provided as an output

Analog input common-mode voltage

VCM

via the VCM pin for dc-coupled

2.9

3.1

3.3

V

reference output

applications.

VCM temperature coefficient

–0.8

mV/°C

DYNAMIC ACCURACY

No missing codes

Assured

DNL

Differential linearity error

–0.99

±0.7

2.5

LSB

INL

Integral linearity error

–7.0

±1.5

7.0

LSB

Offset error

–16

16

mV

Offset temperature coefficient

0.02

mV/°C

Gain error

–5

5

%FS

Gain temperature coefficient

–0.02

%FS/°C

4

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