2

October 2002

SPT7755

Note: 1. Operation at any Absolute Maximum Rating is not implied. See

Electrical Specifications for proper nominal applied conditions

in typical applications.

ELECTRICAL SPECIFICATIONS

TEST

TEST

SPT7755A

SPT7755B

PARAMETERS

CONDITIONS

LEVEL

MIN

TYP

MAX

MIN

TYP

MAX UNITS

Resolution

88

Bits

DC Accuracy

Integral Linearity Error (ILE)

I

–1.0

+1.0

–1.5

+1.5

LSB

Differential Linearity Error

(DLE)

I

–0.85

+0.95

–0.95

+1.5

LSB

No Missing Codes

Guaranteed

Guaranteed

Analog Input

Input Voltage Range

I

V

Input Bias Current

I

.75

2.0

.75

2.0

mA

Input Resistance

V

15

15

kΩ

Input Capacitance

Over Full Input Range

V

15

15

pF

Input Bandwidth

Small Signal

V

900

900

MHz

Large Signal

V

500

500

MHz

IV

–30

+30

–30

+30

mV

IV

–30

+30

–30

+30

mV

Input Slew Rate

V5

5

V/ns

Clock Synchronous

Input Currents

V

2

2

µA

Reference Input

Ladder Resistance

I

60

80

60

80

Ω

Reference Bandwidth

V

30

30

MHz

Timing Characteristics

Maximum Sample Rate

I

750

750

MHz

Aperture Jitter

V

2

2

ps

Acquisition Time

V

250

250

ps

Clock to Data Delay

IV

0.9

1.4

1.9

0.9

1.4

1.9

ns

CLK to Data Ready Delay

IV

1.25

1.75

2.25

1.25

1.75

2.25

ns

Dynamic Performance

Signal-To-Noise Ratio

(without Harmonics)

I

46

44

dB

I

44

42

dB

Total Harmonic Distortion

I

–45

–43

dBc

I

–37

–35

dBc

Signal-to-Noise and Distortion

I

43

41

dB

I

36

34

dB

Supply Voltages

Ground Voltage Differential .................... –0.5 to +0.5 V

Input Voltage

Output

Digital Output Current ............................... 0 to –28 mA

Temperature

Operating Temperature, ambient ............ –25 to +85 °C

case .......................... +125 °C

junction ...................... +150 °C

Lead Temperature, (soldering 10 seconds) ...... +300 °C

Storage Temperature ............................ –65 to +150 °C