MAX19792 datasheet(3/23 Pages) MAXIM

Part #	MAX19792

Description	500MHz to 4000MHz Dual Analog Voltage Variable Attenuator with On-Chip 10-Bit SPI-Controlled DAC

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Manufacturer	MAXIM [Maxim Integrated Products]

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Maxim Integrated

MAX19792

500MHz to 4000MHz Dual Analog Voltage Variable

Attenuator with On-Chip 10-Bit SPI-Controlled DAC

RECOMMENDED AC OPERATING CONDITIONS

5V DC ELECTRICAL CHARACTERISTICS

(VCC = 4.75V to 5.25V, VCTRL = 1V, VDAC_LOGIC = 0V, RDBK_EN(D9, REG3) = logic 0, no RF signals applied, all input and output

ports terminated with 50I through DC blocks, TC = -40NC to +100NC, unless otherwise noted. Typical values are at VCC = 5V, VCTRL

= 1V, VDAC_LOGIC = 0V, RDBK_EN(D9, REG3) = logic 0, TC = +25NC, unless otherwise noted.) (Note 5)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

VCC

4.75

5.0

5.25

V

Supply Current

ICC

13

20

mA

CTRL Voltage Range

VCTRL

1

4

V

CTRL Input Resistance

RCTRL

124

kI

Input Current Logic-High

IIH

-1

+1

µA

Input Current Logic-Low

IIL

-1

+1

µA

REF_IN Voltage Range

1.4

V

REF_IN Input Resistance

1.0

MI

DAC Number of Bits

Monotonic

10

Bits

Input Voltage Logic-High

VIH

2

V

Input Voltage Logic-Low

VIL

0.8

V

COMP_OUT Logic-High

RDBK_EN(D9, REG3) = logic 1,

RLOAD = 47kI

3.3

V

COMP_OUT Logic-Low

RDBK_EN(D9, REG3) = logic 1,

RLOAD = 47kI

0

V

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

RF Frequency Range

fRF

(Note 6)

500

4000

MHz

RF Port Input Power

PRF

Continuous operation

15

dBm

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