SPT7862 datasheet(3/10 Pages) ETC

Part #	SPT7862

Description	10-BIT, 40 MSPS, DUAL-CHANNEL A/D CONVERTER

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SPT

3

2/23/00

SPT7862

Dynamic Performance

Harmonic Distortion

9 Distortion bins from

ƒIN = 3.58 MHz

1024 pt FFT

V

–63

dB

ƒIN = 10.0 MHz

TA = +25 °C

I

–55.7

–52

dB

ƒIN = 10.0 MHz

TA = TMIN to TMAX

IV

–52

dB

Signal-to-Noise and Distortion

(SINAD)

ƒIN = 3.58 MHz

V

56.7

dB

ƒIN = 10.0 MHz

TA = +25 °C

I

49

51.8

dB

ƒIN = 10.0 MHz

TA = TMIN to TMAX

IV

46

dB

Spurious Free Dynamic Range

ƒIN = 10.0 MHz

V

56.8

58.3

60

dB

Differential Phase

V

±0.3

Degree

Differential Gain

V

±0.3

%

Channel-to-Channel Crosstalk

ƒIN = 3.58 MHz

V

74

dB

ƒIN = 10.0 MHz

V

67

dB

Inputs

Logic 1 Voltage

VI

2.1

V

Logic 0 Voltage

VI

0.8

V

Maximum Input Current Low

VI

–10

+10

µA

Maximum Input Current High

VI

–10

+10

µA

Input Capacitance

V

+5

pF

Digital Outputs

Logic 1 Voltage

IOH = 0.5 mA

VI

OVDD –0.5

V

Logic 0 Voltage

IOL = 1.6 mA

VI

0.44

V

tRISE

15 pF load

V

10

ns

tFALL

15 pF load

V

10

ns

Output Enable to Data

Output Delay

20 pF load, TA = +25 °C

V

10

ns

50 pF load over temp.

V

22

ns

Power Supply Requirements

Voltages OVDD

IV

3.0

5.0

V

DVDD

IV

5.0

V

AVDD

IV

5.0

V

Currents AIDD + DIDD

VI

52

62

mA

OIDD

VI

12

14

mA

Power Dissipation

VI

320

380

mW

Power Supply Refection Ratio

V

70

dB

TEST LEVEL CODES

All electrical characteristics are subject to the follow-

ing conditions:

All parameters having min/max specifications are

guaranteed. The Test Level column indicates the

specific device testing actually performed during

production and Quality Assurance inspection. Any

blank section in the data column indicates that the

specification is not tested at the specified condition.

TEST PROCEDURE

100% production tested at the specified temperature.

100% production tested at TA=25 °C, and sample tested at

the specified temperatures.

QA sample tested only at the specified temperatures.

Parameter is guaranteed (but not tested) by design and

characterization data.

Parameter is a typical value for information purposes only.

100% production tested at TA = 25 °C. Parameter is guaran-

teed over specified temperature range.

TEST LEVEL

I

II

III

IV

V

VI

ELECTRICAL SPECIFICATIONS

TA=TMIN to TMAX, AVDD=DVDD=OVDD=+5.0 V, VIN=0 to 4 V, ƒS=40 MSPS, VRHS=4.0 V, VRLS=0.0 V, unless otherwise specified.

TEST

SPT7862

PARAMETERS

CONDITIONS

LEVEL

MIN

TYP

MAX

UNITS

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