19-3434; Rev 0; 10/04
KIT
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EVALU
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AVAILA
15-Bit, 100Msps ADC with -77.7dBFS
Noise Floor for Baseband Applications
The MAX1429 is a 5V, high-speed, high-performance
analog-to-digital converter (ADC) featuring a fully differential wideband track-and-hold (T/H) and a 15-bit converter core. The MAX1429 is optimized for multichannel,
multimode receivers, which require the ADC to meet very
stringent dynamic performance requirements. With a
noise floor of -77.7dBFS, the MAX1429 allows for the
design of receivers with superior sensitivity.
The MAX1429 achieves two-tone, spurious-free dynamic
range (SFDR) of -100dBc for input tones of 10MHz and
15MHz. Its excellent signal-to-noise ratio (SNR) of 75.1dB
and single-tone SFDR performance (SFDR1/SFDR2) of
90dBc/94dBc at fIN = 15MHz and a sampling rate of
80Msps make this part ideal for high-performance digital
receivers.
The MAX1429 operates from an analog 5V and a digital
3V supply, features a 2.2V P-P full-scale input range,
and allows for a sampling speed of up to 100Msps. The
input T/H operates with a -1dB full-power bandwidth of
260MHz.
The MAX1429 features parallel, CMOS-compatible outputs in two’s-complement format. To enable the interface
with a wide range of logic devices, this ADC provides a
separate output driver power-supply range of 2.3V to
3.5V. The MAX1429 is manufactured in an 8mm x 8mm,
56-pin thin QFN package with exposed paddle (EP) for
low thermal resistance, and is specified for the extended
industrial (-40°C to +85°C) temperature range.
Note that IF parts MAX1418, MAX1428, and MAX1430
(see Pin-Compatible Higher/Lower Speed Versions
Selection table) are recommended for applications that
require high dynamic performance for input frequencies greater than fCLK/3. The MAX1429 is optimized for
input frequencies of less than fCLK/3.
Applications
Features
♦ 100Msps Minimum Sampling Rate
♦ -77.7dBFS Noise Floor
♦ Excellent Dynamic Performance
75.1dB SNR at fIN = 15MHz and AIN = -1dBFS
90dBc/94dBc Single-Tone SFDR1/SFDR2 at
fIN = 15MHz and AIN = -1dBFS
-100dBc Multitone SFDR at fIN1 = 10MHz
and fIN2 = 15MHz
♦ Less than 0.25ps Sampling Jitter
♦ Fully Differential Analog Input Voltage Range of
2.2VP-P
♦ CMOS-Compatible Two’s-Complement Data Output
♦ Separate Data Valid Clock and Overrange Outputs
♦ Flexible-Input Clock Buffer
♦ EV Kit Available for MAX1429
(Order MAX1427EVKIT)
Ordering Information
PART
MAX1429ETN
*EP
PIN-PACKAGE
-40°C to +85°C
56 Thin QFN-EP*
= Exposed paddle.
Pin-Compatible Higher/Lower
Speed Versions Selection
Cellular Base-Station Transceiver Systems (BTS)
Wireless Local Loop (WLL)
TEMP RANGE
PART
SPEED GRADE
(Msps)
TARGET
APPLICATION
Single- and Multicarrier Receivers
MAX1418
65
IF
Multistandard Receivers
MAX1419
65
Baseband
E911 Location Receivers
MAX1427
80
Baseband
Power Amplifier Linearity Correction
MAX1428
80
IF
Antenna Array Processing
MAX1429
100
Baseband
MAX1430
100
IF
Pin Configuration appears at end of data sheet.
________________________________________________________________ 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.
1
MAX1429
General Description
MAX1429
15-Bit, 100Msps ADC with -77.7dBFS
Noise Floor for Baseband Applications
ABSOLUTE MAXIMUM RATINGS
AVCC, DVCC, DRVCC to GND.................................. -0.3V to +6V
INP, INN, CLKP, CLKN, CM to GND........-0.3V to (AVCC + 0.3V)
D0–D14, DAV, DOR to GND..................-0.3V to (DRVCC + 0.3V)
Continuous Power Dissipation (TA = +70°C)
56-Pin Thin QFN (derate 47.6mW/°C above +70°C)...3809.5mW
Operating Temperature Range ...........................-40°C to +85°C
Thermal Resistance θJA ...................................................21°C/W
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
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.
ELECTRICAL CHARACTERISTICS
(AVCC = 5V, DVCC = DRVCC = 2.5V, GND = 0, INP and INN driven differentially with -1dBFS, CLKP and CLKN driven differentially
with a 2VP-P sinusoidal input signal, CL = 5pF at digital outputs, fCLK = 100MHz, TA = TMIN to TMAX, unless otherwise noted. Typical
values are at TA = +25°C, unless otherwise noted. ≥+25°C guaranteed by production test,
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