EVAL1203/BA(2006) 데이터 시트보기 (PDF) - STMicroelectronics

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EVAL1203/BA
(Rev.:2006)

Dual-channel 12-bit 40Msps 215mW A/D converter

STMicroelectronics 

Electrical characteristics

7

Electrical characteristics

TSA1203

Electrical characteristics, unless otherwise specified, are measured at

AVCC = DVCC = VCCB = 2.5 V, FS = 40 Msps, Rpol = 18 kΩ, Fin = 2 MHz, Vin@ -1 dBFS,

VREFP=0.8 V, VREFM=0 V, and Tamb = 25° C.

Table 6. Analog inputs

Symbol

Parameter

VIN-VINB Full scale reference voltage

Cin Input capacitance

Req Equivalent input resistor

BW Analog input bandwidth

ERB Effective resolution bandwidth

Test

conditions

Min

Typ Max Unit

Differential

inputs

mandatory

1.1 2.0 2.8 Vpp

7.0

pF

10

kΩ

Vin@full scale,

Fs=40 Msps

1000

70

MHz

MHz

Table 7. Digital inputs and outputs

Symbol

Parameter

Test

conditions

Min

Typ

Max

Unit

Clock and Select inputs

VIL Logic "0" voltage

VIH Logic "1" voltage

OEB input

VIL Logic "0" voltage

VIH Logic "1" voltage

Digital outputs

VOL Logic "0" voltage

VOH Logic "1" voltage

IOZ

High impedance

leakage current

CL

Output load

capacitance

2.0

0.75 x VCCBE

IOL=10 µA

IOH=10 µA

OEB set to

VIH

0.9 x VCCBE

-1.67

0

2.5

0

VCCBE

0

VCCBE

0

0.8

V

V

0.25 x VCCBE V

V

0.1 x VCCBE

V

V

1.67

µA

15

pF

Table 8. Reference voltage

Symbol

Parameter

VREFP I

VREFP Q

VINCM I

VINCM Q

Top internal reference voltage

Input common mode voltage

Min

Typ

Max Unit

0.81 0.88 0.94

V

0.41 0.46 0.50

V

8/30

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