MAX2077CTK+ datasheet(2/19 Pages) MAXIM

Part #	MAX2077CTK+

Description	Octal-Channel Ultrasound Front-End

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Manufacturer	MAXIM [Maxim Integrated Products]

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Octal-Channel Ultrasound Front-End

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

DC ELECTRICAL CHARACTERISTICS

(

Typical Application Circuits, VREF = 2.475V to 2.525V, VCC1 = 3.13V to 3.47V, VCC2 = 4.5V to 5.25V, TA = 0°C to +70°C, VGND = 0V,

NP = 0, PD = 0, no RF signals applied. Typical values are at VCC1 = 3.3V, VCC2 = 4.75V, TA = +25°C, unless otherwise noted.) (Note 5)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

Note 1: TC is the temperature on the exposed pad of the package. TA is the ambient temperature of the device and PCB.

Note 2: Junction temperature TJ = TC + (

θJC x VCC x ICC). This formula can only be used if the component is soldered down to a print-

ed circuit board pad containing multiple ground vias to remove the heat. The junction temperature must not exceed 150°C.

Note 3: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-

layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.

Note 4: Junction temperature TJ = TA + (

θJA x VCC x ICC), assuming there is no heat removal from the exposed pad. The junction

temperature must not exceed 150°C.

VCC_ to GND .........................................................-0.3V to +5.5V

VCC2 - VCC1......................................................................> -0.3V

ZF_, IN_, AG to GND ..................................-0.3V to (VCC + 0.3V)

INC_ ..............................................................................20mA DC

VREF to GND.............................................................-0.3V to +3V

IN_ to AG ...............................................................-0.6V to +0.6V

OUT_, DIN, DOUT, VG_, NP, CS, CLK,

PD to GND ..........................................-0.3V to (VCC1 + 0.3V)

VCC_, VREF analog and digital control signals must be applied

in this order

Input Differential Voltage ................................2.0VP-P differential

Continuous Power Dissipation (TA = +70°C)

56-Pin TQFN (derate 47.6mW/°C above +70°C) ..............3.8W

68-Pin TQFN (derate 40.0mW/°C above +70°C) ..............4.0W

Operating Temperature Range (Note 1).................0°C to +70°C

Junction Temperature ......................................................+150°C

θJC (Notes 2, 3) (56-Pin TQFN)..........................................1°C/W

θJC (Notes 2, 3) (68-Pin TQFN).......................................0.3°C/W

θJA (Notes 3, 4) (56-Pin TQFN) ........................................21°C/W

θJA (Notes 3, 4) (68-Pin TQFN) ........................................20°C/W

Storage Temperature Range .............................-40°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

3.3V Supply Voltage

VCC1

3.13

3.3

3.47

V

4.75V/5V Supply Voltage

VCC2

4.5

4.75

5.25

V

External Reference Voltage

Range

VREF

(Note 6)

2.475

2.525

V

CMOS Input High Voltage

VIH

Applies to CMOS control inputs

2.5

V

CMOS Input Low Voltage

VIL

Applies to CMOS control inputs

0.8

V

CMOS Input Leakage Current

IIN

0V to 3.3V

10

μA

Data Output High Voltage

DOUT_HI

10M

load

VCC1

V

Data Output Low Voltage

DOUT_LO

10M

load

0

V

4.75V/5V Supply Standby Current

I_NP_5V_TOT

NP = 1, all channels

3.9

6

mA

3V Supply Standby Current

I_NP_3V_TOT

NP = 1, all channels

1.7

3

mA

4.75V/5V Power-Down Current

I_PD_5V_TOT

PD = 1, all channels (Note 7)

0.4

10

μA

3V Power-Down Current

I_PD_3V_TOT

PD = 1, all channels (Note 7)

0.3

10

μA

3V Supply Current per Channel

I_3V_NM

Total I divided by 8, VG+ - VG1 = -2V

11

18

mA

4.75V/5V Supply Current per

Channel

I_5V_NM

Total I divided by 8

6.0

8.3

mA

DC Power per Channel

P_NM

64.8

105

mW

Differential Analog Control

Voltage Range

VGAIN_RANG

VG+ - VG-

±3

V

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