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Linear Technology Electronic Components Datasheet

LTM9001 Datasheet

16-Bit IF/Baseband Receiver Subsystem

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FEATURES
n Integrated 16-Bit, High-Speed ADC, Passive Filter
and Fixed Gain Differential Amplifier
n Up to 300MHz IF Range
Low-Pass and Bandpass Filter Versions
n Low Noise, Low Distortion Amplifiers
Fixed Gain: 8dB, 14dB, 20dB or 26dB
50Ω, 200Ω or 400Ω Input Impedance
n 72dB SNR, 82dB SFDR (LTM9001-AA)
n Integrated Bypass Capacitance, No External
Components Required
n Optional Internal Dither
n Optional Data Output Randomizer
n LVDS or CMOS Outputs
n 3.3V Single Supply
n Power Dissipation: 1.65W
n Clock Duty Cycle Stabilizer
n 11.25mm × 11.25mm × 2.32mm LGA Package
APPLICATIONS
n Telecommunications
n High Sensitivity Receivers
n Cellular Base Stations
n Spectrum Analyzers
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
LTM9001
16-Bit IF/Baseband
Receiver Subsystem
DESCRIPTION
The LTM®9001 is an integrated System in a Package (SiP)
that includes a high-speed 16-bit A/D converter, matching
network, anti-aliasing filter and a low noise, differential
amplifier with fixed gain. It is designed for digitizing wide
dynamic range signals with an intermediate frequency (IF)
range up to 300MHz. The amplifier allows either AC- or
DC-coupled input drive. A low-pass or bandpass filter
network can be implemented with various bandwidths.
Contact Linear Technology regarding semi-custom con-
figurations.
The LTM9001 is perfect for IF receivers in demanding
communications applications, with AC performance that
includes 72dBFS noise floor and 82dB spurious free dy-
namic range (SFDR) at 162.5MHz (LTM9001-AA).
The digital outputs can be either differential LVDS or
single-ended CMOS. There are two format options for the
CMOS outputs: a single bus running at the full data rate or
demultiplexed buses running at half data rate. A separate
output power supply allows the CMOS output swing to
range from 0.5V to 3.3V.
The differential ENC+ and ENCinputs may be driven with
a sine wave, PECL, LVDS, TTL or CMOS inputs. An optional
clock duty cycle stabilizer allows high performance at full
speed with a wide range of clock duty cycles.
TYPICAL APPLICATION
Simplified IF Receiver Channel
VCC
RF
LO
SAW
IN
ANTI-ALIAS
FILTER
IN+
DIFFERENTIAL
FIXED GAIN
AMPLIFIER
GND
SENSE VDD = 3.3V
LTM9001
0VDD = 0.5V TO 3.6V
16-BIT
130Msps ADC
CLKOUT
OF
D15
CMOS
OR
LVDS
D0
ENC+ ENC
ADC CONTROL PINS
9001 TA01
OGND
64k Point FFT, FIN = 162.4MHz,
–1dBFS, PGA = 1
0
–20
–40
–60
–80 HD3 HD2
–100
–120
0 4096
12288 20480 28672
FFT BIN NUMBER (32k TOTAL)
9001 TA01b
9001fa
1


Linear Technology Electronic Components Datasheet

LTM9001 Datasheet

16-Bit IF/Baseband Receiver Subsystem

No Preview Available !

LTM9001www.DataSheet4U.com
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2)
Supply Voltage (VCC) ................................ –0.3V to 3.6V
Supply Voltage (VDD) ................................... –0.3V to 4V
Digital Output Supply Voltage (OVDD) .......... –0.3V to 4V
Analog Input Current (IN+, IN)............................±10mA
Digital Input Voltage
(Except AMPSHDN) ..................–0.3V to (VDD + 0.3V)
Digital Input Voltage
(AMPSHDN)..............................–0.3V to (VCC + 0.3V)
Digital Output Voltage ................ –0.3V to (OVDD + 0.3V)
Operating Temperature Range
LTM9001C................................................ 0°C to 70°C
LTM9001I............................................. –40°C to 85°C
Storage Temperature Range................... –45°C to 125°C
Maximum Junction Temperature........................... 125°C
PIN CONFIGURATION
ALL ELSE
= GND CONTROL
TOP VIEW
DATA
123456789
J
INH
IN+ G
F
VCC E
DNC D
ENC+ C
ENCB
A
OGND
OVDD
OGND
CONTROL VDD OGND OVDD
LGA PACKAGE
TJMAX = 125°C, θJA = 15°C/W, θJC = 19°C/W
θJA DERIVED FROM 60mm × 70mm PCB WITH 4 LAYERS
WEIGHT = 0.71g
ORDER INFORMATION
LEAD FREE FINISH
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTM9001CV-AA#PBF
LTM9001V-AA
81-Lead (11.25mm × 11.25mm × 2.3mm) LGA
0°C to 70°C
LTM9001IV-AA#PBF
LTM9001V-AA
81-Lead (11.25mm × 11.25mm × 2.3mm) LGA
–40°C to 85°C
LTM9001CV-BA#PBF
LTM9001V-BA
81-Lead (11.25mm × 11.25mm × 2.3mm) LGA
0°C to 70°C
LTM9001IV-BA#PBF
LTM9001V-BA
81-Lead (11.25mm × 11.25mm × 2.3mm) LGA
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
This product is only offered in trays. For more information go to: http://www.linear.com/packaging/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 4)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
GDIFF
Gain
GTEMP
VINCM
Gain Temperature Drift
Input Common Mode Voltage Range
DC, LTM9001-AA
fIN = 162.5MHz (Note 3)
DC, LTM9001-BA
fIN = 140MHz (Note 3)
VIN = Maximum, (Note 3)
(IN+ + IN)/2
l 19.1 19.7 20.3
19
dB
dB
l 7.1 8.2 9.4
7.8
dB
dB
2 mdB/°C
1.0–1.6
V
VIN Input Voltage Range at –1dBFS
LTM9001-AA at 162.5MHz
LTM9001-BA at 140MHz
233 mVP-P
820 mVP-P
9001fa
2


Part Number LTM9001
Description 16-Bit IF/Baseband Receiver Subsystem
Maker Linear Technology
Total Page 28 Pages
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