ADC0804S030_040_050_3

© IDT 2012. All rights reserved.

Product data sheet

Rev. 03 — 2 July 2012

6 of 18

Integrated Device Technology

ADC0804S030/040/050

Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz

10. Characteristics

Table 6.

Characteristics

VCCA = V3 to V4 = 4.75 V to 5.25 V; VCCD = V11 to V12 and V28 to V27 = 4.75 V to 5.25 V;

VCCO = V13 to V14 = 3.0 V to 5.25 V; AGND and DGND shorted together; Tamb = 0 C to 70 C; typical values measured at

VCCA = VCCD = 5 V and VCCO = 3.3 V, Vi(a)(p-p) = 2.0 V; CL = 15 pF and Tamb = 25 C; unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supplies

VCCA

analog supply voltage

4.75

5.0

5.25

V

VCCD

digital supply voltage

4.75

5.0

5.25

V

VCCO

output supply voltage

3.0

3.3

5.25

V

VCC

supply voltage

difference

VCCA  VCCD

0.20

-

+0.20

V

VCCA  VCCO

0.20

-

+2.25

V

VCCD  VCCO

0.20

-

+2.25

V

ICCA

analog supply current

-

18

24

mA

ICCD

digital supply current

-

16

21

mA

ICCO

output supply current

fclk = 40 MHz; ramp input

-

1

2

mA

Ptot

total power dissipation

fclk = 40 MHz; ramp input

-

175

247

mW

Inputs

Clock input CLK (referenced to DGND)[1]

VIL

LOW-level input voltage

0

-

0.8

V

VIH

HIGH-level input

voltage

2

-

VCCD

V

IIL

LOW-level input current Vclk = 0.8 V

1

-

+1

A

IIH

HIGH-level input current Vclk = 2 V

-

2

10

A

Zi

input impedance

fclk = 40 MHz

-

2

-

k



Ci

input capacitance

-

2

-

pF

OE and TC (referenced to DGND); see Table 8

VIL

LOW-level input voltage

0

-

0.8

V

VIH

HIGH-level input

voltage

2

-

VCCD

V

IIL

LOW-level input current VIL = 0.8 V

1

-

-

A

IIH

HIGH-level input current VIH = 2.0 V

-

-

1

A

VI (analog input voltage referenced to AGND)

IIL

LOW-level input current VI = VRB = 1.3 V

-

0

-

A

IIH

HIGH-level input current VI = VRT = 3.67 V

-

35

-

A

Zi

input impedance

fi = 4.43 MHz

-

8

-

k



Ci

input capacitance

-

5

-

pF

Reference voltages for the resistor ladder; see Table 7

VRB

voltage on pin RB

1.2

1.3

2.45

V

VRT

voltage on pin RT

3.2

3.67

VCCA  0.8 V