Datasheet
LTC2157-12/
LTC2156-12/LTC2155-12
32
21576512f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2011
LT 1111 • PRINTED IN USA
RELATED PARTS
PART
NUMBER
DESCRIPTION COMMENTS
ADCs
LTC2208 16-Bit, 130Msps, 3.3V ADC, LVDS Outputs 1250mW, 77.7dB SNR, 100dB SFDR, 64-Lead QFN Package
LTC2157-14/
LTC2156-14/
LTC2155-14
14-Bit, 250Msps/210Msps/170Msps, 1.8V Dual ADC, DDR
LVDS Output
650mW/616mW/567mW, 70dB SNR, 90dB SFDR, 64-Lead QFN Package
LTC2242-12/
LTC2241-12/
LTC2240-12
12-Bit, 250Msps/210Msps/170Msps, 2.5V ADC, LVDS
Outputs
740mW/585mW/445mW, 68.5dB SNR, 80dB SFDR, 64-Lead QFN
LTC2220-12 12-Bit, 170Msps, 3.3V, LVDS Outputs 890mW, 67.7dB SNR, 80dB SFDR, 64-Lead QFN
LTC2262-14 14-Bit, 150Msps 1.8V ADC, Ultralow Power 149mW, 72.8dB SNR, 88dB SFDR, DDR LVDS/DDR CMOS/CMOS Outputs,
40-Lead QFN Package
RF Mixers/Demodulators
LT
®
5517 40MHz to 900MHz Direct Conversion Quadrature Demodulator High IIP3: 21dBm at 800MHz, Integrated LO Quadrature Generator
LT5527 400MHz to 3.7GHz High Linearity Downconverting Mixer 24.5dBm IIP3 at 900MHz, 23.5dBm IIP3 at 3.5GHz, NF = 12.5dB,
50Ω Single-Ended RF and LO Ports
LT5575 800MHz to 2.7GHz Direct Conversion Quadrature
Demodulator
High IIP3: 28dBm at 900MHz, Integrated LO Quadrature Generator,
Integrated RF and LO Transformer
Amplifiers/Filters
LTC6409 10GHz GBW, 1.1nV/√Hz Differential Amplifier/ADC Driver 88dB SFDR at 100MHz, Input Range Includes Ground 52mA Supply Current
3mm × 2mm QFN Package
LTC6412 800MHz, 31dB Range, Analog-Controlled Variable Gain
Amplifier
Continuously Adjustable Gain Control, 35dBm OIP3 at 240MHz, 10dB Noise
Figure, 4mm × 4mm QFN-24
LTC6420-20 1.8GHz Dual Low Noise, Low Distortion Differential ADC
Drivers for 300MHz IF
Fixed Gain 10V/V, 1nV/√Hz Total Input Noise, 80mA Supply Current per
Amplifier, 3mm × 4mm QFN-20
Receiver Subsystems
LTM
®
9002 14-Bit Dual Channel IF/Baseband Receiver Subsystem Integrated High Speed ADC, Passive Filters and Fixed Gain Differential Amplifiers
LTM9003 12-Bit Digital Pre-Distortion Receiver ADC Driver, 0.4GHz to 3.8GHz RF Input
TYPICAL APPLICATION
LTC2157-12: 32K Points 2-Tone FFT,
f
IN
= 71MHz and 69MHz, 250Msps
FREQUENCY (MHz)
0
–120
AMPLITUDE (dBFS)
–100
–80
–60
–40
0
20
40 60 80
21576512 G11
100 120
–20
S/H
CORRECTION
LOGIC
OUTPUT
DRIVERS
12-BIT
PIPELINED
ADC CORE
CLOCK/DUTY
CYCLE
CONTROL
DA10_11
•
•
•
DA0_1
DB10_11
•
•
•
DB0_1
CLOCK
ANALOG
INPUT
21576512 TA01
DDR
LVDS
DDR
LVDS
V
DD
OV
DD
OGND
GND
CHANNEL A
S/H
CORRECTION
LOGIC
OUTPUT
DRIVERS
12-BIT
PIPELINED
ADC CORE
ANALOG
INPUT
OGND
OV
DD
CHANNEL B