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Electrical characteristics (continued) – Rainbow Electronics MAX1215 User Manual

Page 4

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MAX1215

1.8V, 12-Bit, 250Msps ADC for
Broadband Applications

4

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ELECTRICAL CHARACTERISTICS (continued)

(AV

CC

= OV

CC

= 1.8V, AGND = OGND = 0, f

SAMPLE

= 250MHz, differential sine-wave clock input drive, 0.1µF capacitor on REFIO,

internal reference, digital output pins differential R

L

= 100

Ω ±1%, T

A

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at

T

A

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

LVCMOS DIGITAL INPUTS (CLKDIV,

T/B)

Digital Input-Voltage Low

V

IL

0.2 x AV

CC

V

Digital Input-Voltage High

V

IH

0.8 x AV

CC

V

TIMING CHARACTERISTICS

CLK-to-Data Propagation Delay

t

PDL

Figure 4

1.75

ns

CLK-to-DCLK Propagation Delay

t

CPDL

Figure 4

3.87

ns

DCLK-to-Data Propagation Delay

t

PDL

- t

CPDL

Figure 4 (Note 3)

1.66

2.12

2.48

ns

LVDS Output Rise Time

t

RISE

20% to 80%, C

L

= 5pF

460

ps

LVDS Output Fall Time

t

FALL

20% to 80%, C

L

= 5pF

460

ps

Output Data Pipeline Delay

t

LATENCY

Figure 4

11

Clock

cycles

POWER REQUIREMENTS

Analog Supply Voltage Range

AV

CC

1.70

1.80

1.90

V

Digital Supply Voltage Range

OV

CC

1.70

1.80

1.90

V

Analog Supply Current

I

AVCC

f

IN

= 100MHz

495

555

mA

Digital Supply Current

I

OVCC

f

IN

= 100MHz

64

75

mA

Analog Power Dissipation

P

DISS

f

IN

= 100MHz

1006

1134

mW

Offset

1.8

mV/V

Power-Supply Rejection Ratio
(Note 3)

PSRR

Gain

1.5

%FS/V

Note 1:

≥+25°C guaranteed by production test, <+25°C guaranteed by design and characterization.

Note 2: Static linearity and offset parameters are based on the end-point fit method. The full-scale range (FSR) is defined as 4095 x

slope of the line.

Note 3: Parameter guaranteed by design and characterization: T

A

= T

MIN

to T

MAX

.

Note 4: PSRR is measured with both analog and digital supplies connected to the same potential.