Electrical characteristics (continued) – Maxim Integrated MAX12527 User Manual

Page 5

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MAX12527

Dual, 65Msps, 12-Bit, IF/Baseband ADC

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5

ELECTRICAL CHARACTERISTICS (continued)

(V

DD

= 3.3V, OV

DD

= 2.0V, GND = 0, REFIN = REFOUT (internal reference), C

L

≈ 10pF at digital outputs, V

IN

= -0.5dBFS (differen-

tial), DIFFCLK/SECLK = OV

DD

, PD = GND, SHREF = GND, DIV2 = GND, DIV4 = GND, G/T = GND, f

CLK

= 65MHz, T

A

= -40°C to

+85°C, unless otherwise noted. Typical values are at T

A

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

REF_P Sink Current

I

REFAP

I

REFBP

V

REF_P

= 2.418V

1.2

mA

REF_N Source Current

I

REFAN

I

REFBN

V

REF_N

= 0.882V

0.85

mA

COM_ Sink Current

I

COMA

I

COMB

V

COM_

= 1.65V

0.85

mA

REF_P, REF_N Capacitance

C

REF_P

,

C

REF_N

13

pF

COM_ Capacitance

C

COM_

6

pF

CLOCK INPUTS (CLKP, CLKN)

Single-Ended Input High
Threshold

V

IH

DIFFCLK/SECLK = GND, CLKN = GND

0.8 x

V

DD

V

Single-Ended Input Low
Threshold

V

IL

DIFFCLK/SECLK = GND, CLKN = GND

0.2 x

V

DD

V

Minimum Differential Clock Input
Voltage Swing

DIFFCLK/SECLK = OV

DD

0.2

V

P-P

Differential Input Common-Mode
Voltage

DIFFCLK/SECLK = OV

DD

V

DD

/ 2

V

CLK_ Input Resistance

R

CLK

Each input (Figure 4)

5

k

CLK_ Input Capacitance

C

CLK

Each input

2

pF

DIGITAL INPUTS (DIFFCLK/SECLK, G/T, PD, DIV2, DIV4)

Input High Threshold

V

IH

0.8 x

OV

DD

V

Input Low Threshold

V

IL

0.2 x

OV

DD

V

OV

DD

applied to input

±5

Input Leakage Current

Input connected to ground

±5

µA

Digital Input Capacitance

C

DIN

5

pF

DIGITAL OUTPUTS (D0A–D11A, D0B–D11B, DORA, DORB, DAV)

D0A–D11A, D0B–D11B, DORA, DORB:
I

SINK

= 200µA

0.2

Output-Voltage Low

V

OL

DAV: I

SINK

= 600µA

0.2

V

D0A–D11A, D0B–D11B, DORA, DORB:
I

SOURCE

= 200µA

OV

DD

-

0.2

Output-Voltage High

V

OH

DAV: I

SOURCE

= 600µA

OV

DD

-

0.2

V

OV

DD

applied to input

±5

Tri-State Leakage Current
(Note 4)

I

LEAK

Input connected to ground

±5

µA

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