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Analog Devices Semiconductor Electronic Components Datasheet

LTM2173-14 Datasheet

80Msps Low Power Quad ADC

No Preview Available !

FEATURES
nn 4-Channel Simultaneous Sampling ADC
nn 73dB SNR
nn 88dB SFDR
nn Low Power: 96mW per Channel
nn Single 1.8V Supply
nn Serial LVDS Outputs: 1 or 2 Bits per Channel
nn Selectable Input Ranges: 1VP-P to 2VP-P
nn 800MHz Full Power Bandwidth S/H
nn Shutdown and Nap Modes
nn Serial SPI Port for Configuration
nn Internal Bypass Capacitance, No External
Components
nn 140-Pin (11.25mm × 9mm) BGA Package
APPLICATIONS
nn Automotive
nn Communications
nn Cellular Base Stations
nn Software Defined Radios
nn Portable Medical Imaging
nn Multichannel Data Acquisition
nn Nondestructive Testing
LTM2173-14
14-Bit, 80Msps Low Power
Quad ADC
DESCRIPTION
The LTM®2173-14 is a 4-channel, simultaneous sam-
pling 14-bit A/D converter designed for digitizing high
frequency, wide dynamic range signals. AC performance
includes 73dB SNR and 88dB spurious free dynamic range
(SFDR). Low power consumption per channel reduces
heat in high channel count applications. Integrated bypass
capacitance and flow-through pinout reduces overall
board space requirements.
DC specs include ±1LSB INL (typ), ±0.3LSB DNL (typ) and
no missing codes over temperature. The transition noise
is a low 1.2LSBRMS.
The digital outputs are serial LVDS to minimize the num-
ber of data lines. Each channel outputs two bits at a time
(2-lane mode). At lower sampling rates there is a one bit
per channel option (1-lane mode).
The ENC+ and ENCinputs may be driven differentially
or single-ended with a sine wave, PECL, LVDS, TTL, or
CMOS inputs. An internal clock duty cycle stabilizer al-
lows high performance at full speed for a wide range of
clock duty cycles.
All registered trademarks and trademarks are the property of their respective owners.
TYPICAL APPLICATION
CHANNEL 1
ANALOG
INPUT
CHANNEL 2
ANALOG
INPUT
S/H
S/H
1.8V
VDD
14-BIT
ADC CORE
14-BIT
ADC CORE
CHANNEL 4
ANALOG
INPUT
ENCODE
INPUT
S/H
14-BIT
ADC CORE
PLL
GND
1.8V
OVDD
DATA
SERIALIZER
GND
OUT1A
OUT1B
OUT2A
OUT2B
OUT4A
OUT4B
DATA
CLOCK
OUT
FRAME
SERIALIZED
LVDS
OUTPUTS
217314 TA01
LTM2173-14, 80Msps,
2-Tone FFT, fIN = 70MHz and 75MHz
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10 20 30
FREQUENCY (MHz)
40
217314 TA01b
217314f
For more information www.linear.com/LTM2173-14
1


Analog Devices Semiconductor Electronic Components Datasheet

LTM2173-14 Datasheet

80Msps Low Power Quad ADC

No Preview Available !

LTM2173-14
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2)
Supply Voltages
VDD,
Analog
IOnVpuDDt ..V..o..l.t.a..g..e..(..A..I.N..+.,..A...IN....,..................
0.3V
to
2V
PAR/SER, SENSE) (Note 3)........... –0.3V
Digital Input Voltage (ENC+, ENC, CS,
to
(VDD
+
0.2V)
SDI, SCK) (Note 4)..................................... –0.3V to 3.9V
SDO (Note 4).............................................. –0.3V to 3.9V
Digital Output Voltage................. –0.3V to (OVDD + 0.3V)
Operating Temperature Range
LTM2173............................................. –40°C to 105°C
Storage Temperature Range................... –55°C to 125°C
PIN CONFIGURATION
TOP VIEW
A
B
C
D
E
F
G
H
J
K
L
M
N
P
1 2 3 4 5 6 7 8 9 10
BGA PACKAGE
140-LEAD (11.25mm × 9.00mm × 2.72mm)
TJMAX = 150°C, θJA = 30°C/W, θJC = 25°C/W, θJB = 15°C/W, θJCbottom = 12°C/W
ORDER INFORMATION http://www.linear.com/product/LTM2173-14#orderinfo
LEAD FREE FINISH
TRAY
PART MARKING* PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTM2173HY-14#PBF
LTM2173HY-14#PBF
LTM2173Y14
140-Lead (11.25mm × 9mm × 2.72mm) BGA –40°C to 105°C
• Device temperature grade is indicated by a label on the shipping
container.
• Pad or ball finish code is per IPC/JEDEC J-STD-609.
• Terminal Finish Part Marking: www.linear.com/leadfree
• This product is not recommended for second side reflow. For more
information, go to www.linear.com/BGA-assy
• Recommended BGA PCB Assembly and Manufacturing Procedures:
www.linear.com/umodule/pcbsssembly
• BGA Package and Tray Drawings: www.linear.com/packaging
• This product is moisture sensitive. For more information, go to:
www.linear.com/BGA-assy
217314f
2 For more information www.linear.com/LTM2173-14


Part Number LTM2173-14
Description 80Msps Low Power Quad ADC
Maker Analog Devices
Total Page 28 Pages
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