ADS5500-EP

SGLS286C − JUNE 2005 – REVISED SEPTEMBER 2008

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5

ELECTRICAL CHARACTERISTICS

Typ, min, and max values at TA = 25°C, full temperature range is TMIN = −55°C to TMAX = 125°C, sampling rate = 125 MSPS, 50% clock duty

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

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Resolution

14 Tested

Bits

Analog Inputs

Differential input range

2.3

VPP

Differential input impedance

See Figure 5

6.6

k

Ω

Differential input capacitance

See Figure 5

4

pF

Total analog input common-mode current

4(1)

mA

Analog input bandwidth

Source impedance = 50

Ω

750

MHz

Conversion Characteristics

Maximum sample rate

See note (2)

125

MSPS

Data latency

See timing diagram, See Figure 2

16.5

Clock Cycles

Internal Reference Voltages

Reference bottom voltage, VREFM

0.97

V

Reference top voltage, VREFP

2.11

V

Reference error

Room temp

−4%

4%

Reference error

Full temp range

−5%

5%

Common-mode voltage output, VCM

1.55

±0.05

V

Dynamic DC Characteristics and Accuracy

No missing codes

Tested

Differential linearity error, DNL

fIN = 10 MHz

−0.9

±0.75

1.1

LSB

Integral linearity error, INL

fIN = 10 MHz

Room temp

−5

5

LSB

Integral linearity error, INL

fIN = 10 MHz

Full temp range

−8

8

LSB

Offset error

±1.5

mV

Offset temperature coefficient

0.0007

%/

°C

Gain error

±0.45

%FS

Gain temperature coefficient

0.01

∆%/°C

Dynamic AC Characteristics

fIN = 10 MHz

Room temp

70.5

71.5

fIN = 10 MHz

Full temp range

68

71.5

fIN = 30 MHz

71.5

fIN = 55 MHz

71.5

Signal-to-noise ratio (SNR)

fIN = 70 MHz

Room temp

70

71.2

dBFS

Signal-to-noise ratio (SNR)

fIN = 70 MHz

Full temp range

66.5

71

dBFS

fIN = 100 MHz

70.5

fIN = 150 MHz

70.1

fIN = 225 MHz

69.1

RMS output noise

Input tied to common-mode

1.1

LSB

fIN = 10 MHz

Room temp

82

84

fIN = 10 MHz

Full temp range

76

84

fIN = 30 MHz

84

fIN = 55 MHz

79

Spurious-free dynamic range (SFDR)

fIN = 70 MHz

Room temp

80

83

dBc

Spurious-free dynamic range (SFDR)

fIN = 70 MHz

Full temp range

75

82

dBc

fIN = 100 MHz

82

fIN = 150 MHz

78

fIN = 225 MHz

74

(1) 2-mA per input

(2) See Recommended Operating Conditions.