500 MHz to 1000 MHz Transmit VGA

for Use with RF DACs and Transceivers

Data Sheet

ADL6316

Rev. 0

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FEATURES

Transmit VGA for RF DAC, transceiver, and SoC to power

amplifier interface

RF output frequency range: 500 MHz to 1000 MHz

Internal balun with bias tee to supply RF DAC outputs

Integrated VVA attenuation range with on-chip DAC: 20.5 dB

2-stage high linearity amplifiers

RF DSA attenuation range: 14 dB with 0.45 dB step

resolution

50 Ω differential inputs and 50 Ω single-ended output

Fully programmable via a 4-wire SPI

Single 5 V supply

38-terminal, 10.5 mm × 5.5 mm LGA

APPLICATIONS

2G/3G/4G/long-term evolution (LTE) in FDD/TDD broadband

communication systems

GENERAL DESCRIPTION

The ADL6316 is a transmit variable gain amplifier (VGA) that

provides an interface from radio frequency digital-to-analog

converters (RF DACs), transceivers, and systems on a chip (SoC)

to power amplifiers. Integrated balun and hybrid couplers allow

high performance RF capability in the frequency range of

500 MHz to 1000 MHz.

To optimize performance vs. power level, the ADL6316 includes

a voltage variable attenuator (VVA), high linearity amplifiers,

and a digital step attenuator (DSA). All of the devices integrated

into the ADL6316 are programmable via a 4-wire serial port

interface (SPI).

The ADL6316 is manufactured on an advanced silicon germanium

(SiGe), bipolar complementary metal-oxide semiconductor

(BiCMOS) process.

Table 1. Related Devices in Transmit VGA Family

Parameter

Frequency Range (MHz)

ADL6316

500 to 1000

ADL6317

1500 to 3000

FUNCTIONAL BLOCK DIAGRAM

DAC

AMP1

ADL6316

CS5

MUXOUT

VVA_ANALOG

ANALOG

MUX

TEMPERATURE

SENSOR

3.3V

LDO

1.8V SPI

LDO

ADC

GND

GND

SERIAL PORT INTERFACE

FUSE

BLOCK

AMP1

AMP2

AMP2

VVA

TXEN

CS

SDI

SCLK

SDO

GND

GND

GND

GND

IN_N

IN_P

VDAC

GND

GND

GND

GND

GND

V50AMP1

V33FUSE

V50AMP2

GND

GND

RFOUT

GND

GND

GND

GND

CS4

VVA

DSA

DSA

Figure 1.