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MAX19711ETN+T

Description
IC anlg frnt end 56-tqfn
CategoryWireless rf/communication    Telecom circuit   
File Size939KB,36 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX19711ETN+T Overview

IC anlg frnt end 56-tqfn

MAX19711ETN+T Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeQFN
package instructionHVQCCN,
Contacts48
Reach Compliance Codecompliant
JESD-30 codeS-XQCC-N56
JESD-609 codee3
length7 mm
Humidity sensitivity level1
Number of functions1
Number of terminals56
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeHVQCCN
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height0.8 mm
Nominal supply voltage3 V
surface mountYES
Telecom integrated circuit typesTELECOM CIRCUIT
Temperature levelINDUSTRIAL
Terminal surfaceMATTE TIN
Terminal formNO LEAD
Terminal pitch0.4 mm
Terminal locationQUAD
Maximum time at peak reflow temperature30
width7 mm
19-0527; Rev 0; 5/06
KIT
ATION
EVALU
E
BL
AVAILA
10-Bit, 11Msps, Full-Duplex
Analog Front-End
General Description
Features
Dual 10-Bit, 11Msps Rx ADC and Dual 10-Bit,
11Msps Tx DAC
Ultra-Low Power
37.5mW/42.7mW at f
CLK
= 4.915MHz/11MHz,
FD Mode
24.3mW at f
CLK
= 11MHz, Slow Rx Mode
34.5mW at f
CLK
= 11MHz, Slow Tx Mode
Low-Current Standby and Shutdown Modes
Integrated CDMA Filters with > 64dBc Stopband
Rejection
Programmable Tx DAC Common-Mode DC Level
and I/Q Offset Trim
Excellent Dynamic Performance
SNR = 54.8dB at f
IN
= 1.875MHz (Rx ADC)
SFDR = 75dBc at f
OUT
= 620kHz (Tx DAC)
Three 12-Bit, 1µs Aux-DACs
10-Bit, 333ksps Aux-ADC with 4:1 Input Mux and
Data Averaging
Excellent Gain/Phase Match
±0.01° Phase, ±0.01dB Gain (Rx ADC) at
f
IN
= 1.87MHz
Multiplexed Parallel Digital I/O
Serial-Interface Control
Versatile Power-Control Circuits
Shutdown, Standby, Idle, Tx/Rx Disable
Miniature 56-Pin Thin QFN Package
(7mm x 7mm x 0.8mm)
MAX19711
The MAX19711 is an ultra-low-power, highly integrated
mixed-signal analog front-end (AFE) ideal for CDMA
communication applications operating in full-duplex
(FD) mode. Optimized for high dynamic performance
and ultra-low power, the device integrates a dual 10-bit,
11Msps receive (Rx) ADC; dual 10-bit, 11Msps transmit
(Tx) DAC with CDMA baseband filters; three fast-settling
12-bit aux-DAC channels for ancillary RF front-end con-
trol; and a 10-bit, 333ksps housekeeping aux-ADC. The
typical operating power in FD mode is 37.5mW/42.7mW
at a 4.915MHz/11MHz clock frequency.
The Rx ADCs feature 54.8dB SNR and 74.2dBc SFDR at
1.875MHz input frequency with an 11MHz clock frequen-
cy. The analog I/Q input amplifiers are fully differential
and accept 1.024V
P-P
full-scale signals. Typical I/Q
channel matching is ±0.01° phase and ±0.01dB gain.
The Tx DACs with CDMA lowpass filters feature -3dB
cutoff frequency of 1.3MHz and > 64dBc stopband
rejection at f
IMAGE
= 4.285MHz at f
CLK
= 4.915MHz. The
analog I-Q full-scale output voltage range is selectable at
±410mV or ±500mV differential. The output DC common-
mode voltage is selectable from 0.86V to 1.36V. The I/Q
channel offset is adjustable to optimize radio lineup side-
band/carrier suppression. Typical I-Q channel matching
is ±0.03dB gain and ±0.07° phase.
Two independent 10-bit parallel, high-speed digital
buses used by the Rx ADC and Tx DAC allow full-
duplex operation for frequency-division duplex applica-
tions. The Rx ADC and Tx DAC can be disabled
independently to optimize power management. A 3-wire
serial interface controls power-management modes, the
aux-DAC channels, and the aux-ADC channels.
The MAX19711 operates on a single 2.7V to 3.3V analog
supply and 1.8V to 3.3V digital I/O supply. The
MAX19711 is specified for the extended (-40°C to
+85°C) temperature range and is available in a 56-pin,
thin QFN package. The
Selector Guide
at the end of the
data sheet lists other pin-compatible versions in this AFE
family. For time-division duplex (TDD) applications, refer
to the MAX19705–MAX19708 AFE family of products.
Pin Configuration
CS/WAKE
TOP VIEW
ADC2
GND
V
DD
V
DD
DOUT
SCLK
DA9
DA8
DA7
DA6
DA5
42 41 40 39 38 37 36 35 34 33 32 31 30 29
ADC1 43
DAC3 44
DAC2 45
DAC1 46
V
DD
47
IDN 48
IDP 49
GND 50
V
DD
51
QDN 52
QDP 53
REFIN 54
COM 55
EXPOSED PADDLE (GND)
28 DA3
27 DA2
26 DA1
25 DA0
24 OV
DD
23 OGND
22 AD9
MAX19711
DA4
21 AD8
20 AD7
19 AD6
18 AD5
17 AD4
16 AD3
15 AD2
AD1
Applications
CDMA Handsets
CDMA Data Cards
Portable Communication
Equipment
Ordering Information
PART*
MAX19711ETN
MAX19711ETN+
PIN-PACKAGE
56 Thin QFN-EP**
56 Thin QFN-EP**
PKG CODE
T5677-1
T5677-1
REFN 56
1
REFP
2
V
DD
3
IAP
4
IAN
5
GND
6
CLK
7
GND
8
V
DD
9
QAN
10 11 12 13 14
QAP
V
DD
GND
AD0
THIN QFN
NOTE:
THE PIN 1 INDICATOR IS “+” FOR LEAD-FREE DEVICES.
*All
devices are specified over the -40°C to +85°C operating range.
**EP
= Exposed paddle.
+Denotes
lead-free package.
Functional Diagram and Selector Guide appear at end of
data sheet.
1
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
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