AD9260_15 datasheet(9/44 Pages) AD

Il numero della parte	AD9260

Spiegazioni elettronici	High Speed Oversampling CMOS ADC with 16-Bit Resolution at a 2.5 MHz Output Word Rate

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Produttore elettronici	AD [Analog Devices]

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AD9260

Rev. C | Page 9 of 44

DIGITAL SPECIFICATIONS

AVDD = +5 V, DVDD = +5 V, TMIN to TMAX unless otherwise noted.

Table 8.

Parameter

AD9260

Unit

CLOCK1 AND LOGIC INPUTS

High Level Input Voltage

(DVDD = +5 V)

+3.5

V min

(DVDD = +3 V)

+2.1

V max

Low Level Input Voltage

(DVDD = +5 V)

+1.0

V min

(DVDD = +3 V)

+0.9

V max

High Level Input Current (VIN = DVDD)

± 10

µA max

Low Level Input Current (VIN = 0 V)

± 10

µA max

Input Capacitance

5

pF typ

LOGIC OUTPUTS (with DRVDD = 5 V)

High Level Output Voltage (IOH = 50 µA)

+4.5

V min

High Level Output Voltage (IOH = 0.5 mA)

+2.4

V min

Low Level Output Voltage2 (IOL = 0.3 mA)

+0.4

V max

Low Level Output Voltage (IOL = 50 µA)

+0.1

V max

Output Capacitance

5

pF typ

LOGIC OUTPUTS (with DRVDD = 3 V)

High Level Output Voltage (IOH = 50 µA)

+2.4

V min

Low Level Output Voltage (IOL = 50 µA)

+0.7

V max

1 Since CLK is referenced to AVDD, +5 V logic input levels only apply.

2 The AD9260 is not guaranteed to meet VOL = 0.4 V max for standard TTL load of IOL = 1.6 mA.

ANALOG INPUT

INPUT CLOCK

DATA OUTPUT

DAV

S1

S2

tDS

tH

tCH

tCL

tDAV

tDI

tC

READ

CS

tOD

tOE

Figure 8. Timing Diagram

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