AFE5805 datasheet(5/53 Pages) TI2

5 / 53 page

AFE5805

www.ti.com

SBOS421D – MARCH 2008 – REVISED MARCH 2010

ELECTRICAL CHARACTERISTICS (continued)

AVDD_5V = 5.0V, AVDD1 = AVDD2 = DVDD = 3.3V, LVDD = 1.8V, single-ended input into LNA, ac-coupled (1.0mF),

VCNTL = 1.0V, fIN = 5MHz, Clock = 40MSPS, 50% duty cycle, internal reference mode, ISET = 56kΩ, LVDS buffer

setting = 3.5mA, at ambient temperature TA = +25°C, unless otherwise noted.

AFE5805

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

POWER SUPPLY

Supply Voltages

AVDD1, AVDD2, DVDD

Operating

3.15

3.3

3.47

AVDD_5V

Operating

4.75

5.25

LVDD

1.7

1.8

1.9

Supply Currents

IAVDD1 (ADC)

at 40MSPS

110

IAVDD2 (VCA)

TGC mode

146

156

CW mode

IAVDD_5V (VCA)

TGC mode

CW mode

IDVDD (VCA)

1.5

3.0

ILVDD (ADC)

At 40MSPS

Power dissipation, total

All channels, TGC mode, no signal

980

1080

All channels, CW mode , no signal(6)

580

620

TGC mode, no clock applied, no signal

615

POWER-DOWN MODES

Power-down dissipation, total

Complete power-down mode

Power-down response time(7)

1.0

Power-up response time(7)

PD to valid output (90% level)

Power-down dissipation(7)

Partial power-down mode

233

THERMAL CHARACTERISTICS

Temperature range

+70

°C

Thermal resistance

TJA

°C/W

TJC

4.2

°C/W

(6)

The ADC section is powered down during CW mode operation.

(7)

With VCA_PD and ADC_PD pins = high. The ADC_PD pin is configured for partial power-down (see the Power-Down Modes section).

Submit Documentation Feedback

Product Folder Link(s): AFE5805

AFE5805 Datasheet(PDF) 5 Page - Texas Instruments

AFE5805 Datasheet(HTML) 5 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53

Datasheet Download

Link URL