Linear Technology LTC2145-14: 14-bit 125Msps ADC, DDR LVDS Outputs, 5-140MHz, req DC890, LVDS_XFMR and DC1075 DC1620A-G DC1620A-G Data Sheet
Product codes
DC1620A-G
LTC2145-14/
LTC2144-14/LTC2143-14
LTC2144-14/LTC2143-14
38
21454314fa
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 0712 REV A • PRINTED IN USA
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
ADCs
LTC2259-14/LTC2260-14/
LTC2261-14
LTC2261-14
14-Bit, 80Msps/105Msps/125Msps
1.8V ADCs, Ultralow Power
1.8V ADCs, Ultralow Power
89mW/106mW/127mW, 73.4dB SNR, 85dB SFDR, DDR LVDS/DDR CMOS/CMOS
Outputs, 6mm × 6mm QFN-40
Outputs, 6mm × 6mm QFN-40
LTC2262-14
14-Bit, 150Msps 1.8V ADC, Ultralow
Power
Power
149mW, 72.8dB SNR, 88dB SFDR, DDR LVDS/DDR CMOS/CMOS Outputs,
6mm × 6mm QFN-40
6mm × 6mm QFN-40
LTC2266-14/LTC2267-14/
LTC2268-14
LTC2268-14
14-Bit, 80Msps/105Msps/125Msps
1.8V Dual ADCs, Ultralow Power
1.8V Dual ADCs, Ultralow Power
216mW/250mW/293mW, 73.4dB SNR, 85dB SFDR, Serial LVDS Outputs,
6mm × 6mm QFN-40
6mm × 6mm QFN-40
LTC2266-12/LTC2267-12/
LTC2268-12
LTC2268-12
12-Bit, 80Msps/105Msps/125Msps
1.8V Dual ADCs, Ultralow Power
1.8V Dual ADCs, Ultralow Power
216mW/250mW/293mW, 70.5dB SNR, 85dB SFDR, Serial LVDS Outputs,
6mm × 6mm QFN-40
6mm × 6mm QFN-40
LTC2183/LTC2184/
LTC2185
LTC2185
16-Bit, 80Msps/105Msps/125Msps
1.8V Dual ADCs, Ultralow Power
1.8V Dual ADCs, Ultralow Power
370mW/308mW/200mW, 76.8dB SNR, 90dV SFDR, DDR LVDS/DDR CMOS/
CMOS Outputs, Pin Compatible with LTC2145 Family, 9mm × 9mm QFN-64
CMOS Outputs, Pin Compatible with LTC2145 Family, 9mm × 9mm QFN-64
RF Mixers/Demodulators
LTC5517
40MHz to 900MHz Direct Conversion
Quadrature Demodulator
Quadrature Demodulator
High IIP3: 21dBm at 800MHz, Integrated LO Quadrature Generator
LTC5557
400MHz to 3.8GHz High Linearity
Downconverting Mixer
Downconverting Mixer
23.7dBm IIP3 at 2.6GHz, 23.5dBm IIP3 at 3.5GHz, NF = 13.2dB, 3.3V Supply
Operation, Integrated Transformer
Operation, Integrated Transformer
LTC5575
800MHz to 2.7GHz Direct Conversion
Quadrature Demodulator
Quadrature Demodulator
High IIP3: 28dBm at 900MHz, Integrated LO Quadrature Generator, Integrated RF
and LO Transformer
and LO Transformer
Amplifiers/Filters
LTC6412
800MHz, 31dB Range, Analog-Controlled
Variable Gain Amplifier
Variable Gain Amplifier
Continuously Adjustable Gain Control, 35dBm OIP3 at 240MHz, 10dB Noise Figure,
4mm × 4mm QFN-24
4mm × 4mm QFN-24
LTC6605-7/LTC6605-10/
LTC6605-14
LTC6605-14
Dual Matched 7MHz/10MHz/14MHz
Filters with ADC Drivers
Filters with ADC Drivers
Dual Matched 2nd Order Lowpass Filters with Differential Drivers,
Pin-Programmable Gain, 6mm × 3mm DFN-22
Pin-Programmable Gain, 6mm × 3mm DFN-22
Signal Chain Receivers
LTM9002
14-Bit Dual Channel IF/Baseband
Receiver Subsystem
Receiver Subsystem
Integrated High Speed ADC, Passive Filters and Fixed Gain Differential Amplifiers
1.8V
V
DD
1.8V
OV
DD
CLOCK
CONTROL
D1_13
D1_0
21454314 TA03a
CH 1
ANALOG
INPUT
OUTPUT
DRIVERS
t
t
t
GND
OGND
S/H
14-BIT
ADC CORE
CH 2
ANALOG
INPUT
S/H
14-BIT
ADC CORE
D2_13
D2_0
t
t
t
125MHz
CLOCK
CMOS,
DDR CMOS
OR DDR LVDS
OUTPUTS
DDR CMOS
OR DDR LVDS
OUTPUTS
TYPICAL APPLICATIONS
FREQUENCY (MHz)
–100
–110
–120
–120
–70
–60
–80
–90
AMPLITUDE (dBFS)
–50
–30
–40
–20
–10
0
21454314 TA03b
0
10
20
30
40
50
60
64k Point 2-Tone FFT, f
IN
= 69MHz,
70MHz, –1dBFS, 125Msps