12-Bit, 40Msps, +3.3V, Low-Power ADC

with Internal Reference

4

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Differential Reference Voltage

Range

1.024

±10%

V

CML Input Voltage Range

1.65

±10%

V

REFP Input Voltage Range

V

REFN Input Voltage Range

V

DIGITAL INPUTS (CLK,

CLK, OE, PD)

Input Logic High

V

Input Logic Low

V

CLK,

CLK

±330

PD

-20

20

Input Current

OE

-20

20

µA

Input Capacitance

10

pF

DIGITAL OUTPUTS (D0–D11)

Output Logic High

- 0.5

V

Output Logic Low

0

0.5

V

Three-State Leakage

-10

10

µA

Three-State Capacitance

2pF

POWER REQUIREMENTS

Analog Supply Voltage

3.135

3.3

3.465

V

Digital Supply Voltage

2.7

3.3

3.6

V

Analog Supply Current

52

65

mA

Analog Supply Current with

Internal Reference in Shutdown

REFIN = AGND

50

63

mA

Analog Shutdown Current

20

µA

Digital Supply Current

5.5

mA

Digital Shutdown Current

20

µA

Power Dissipation

Analog power

188

214

mW

Power-Supply Rejection Ratio

PSRR

(Note 9)

±1

mV/V

TIMING CHARACTERISTICS

Clock Frequency

Figure 5

0.1

40

MHz

Clock High

Figure 5, clock period 25ns

12.5

ns

Clock Low

Figure 5, clock period 25ns

12.5

ns