ADS5553IPFP datasheet(3/24 Pages) TI

3 / 24 page

ADS5553

SLWS158 − FEBRUARY 2005

www.ti.com

ELECTRICAL CHARACTERISTICS

Typ, min, and max values at TA = 25°C, full temperature range is TMIN = −40°C to TMAX = 85°C, sampling rate = 65 MSPS, 50% clock duty

cycle, AVDD = DRVDD = 3.3 V, −1-dBFS differential input, 3-VPP differential clock, and internal reference, unless otherwise noted

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Resolution

Bits

Analog Inputs

Differential input range

2.3

VPP

Differential input capacitance

See Figure 28

3.2

Total analog input common-mode current

200(1)

µA

Analog input bandwidth

Source impedance = 50 Ω

750

MHz

Internal Reference Voltages

Reference bottom voltage, VREFM

1.01

Reference top voltage, VREFP

2.16

Total gain error(2)

±3.5

%FS

Common-mode voltage output, VCM

1.57

Dynamic Linearity and Accuracy

No missing codes

Tested

Differential linearity error, DNL

fIN = 46MHz

−0.95

±0.6

LSB

Integral linearity error, INL

fIN = 46 MHz

−4

±2.5

LSB

Offset error

±4

Offset temperature coefficient

µV/°C

Offset matching

±0.7

Gain error(3)

±0.5

%FS

Gain temperature coefficient(3)

0.0015

∆%/°C

Gain matching(3)

±0.1

%FS

Dynamic AC Characteristics

fIN = 10 MHz

74.4

fIN = 46 MHz

70 MHz

25°C to 85°C

72.4

Signal-to-noise ratio, SNR

fIN = 70 MHz

Full temp range

71.4

dBFS

Signal to noise ratio, SNR

fIN = 100 MHz

73.5

dBFS

fIN = 150 MHz

72.5

fIN = 225 MHz

RMS output noise

Input tied to common-mode

LSB

fIN = 10 MHz

fIN = 46 MHz

70 MHz

Room temp

Spurious-free dynamic range, SFDR

fIN = 70 MHz

Full temp range

dBc

Spurious free dynamic range, SFDR

fIN = 100 MHz

dBc

fIN = 150 MHz

fIN = 225 MHz

(1) 100-µA per input

(2) Includes error due to references. The total gain error will become smaller (see gain error in the Dynamic Linearity and Accuracy section of this

table) if an external reference is used.

(3) Gain error left assuming ideal references: VREFP − VREFM = 1.15 V

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