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Analog Devices Semiconductor Electronic Components Datasheet

LTC2320HUKG-14 Datasheet

1.5Msps/Ch Simultaneous Sampling ADC

No Preview Available !

FEATURES
nn 1.5Msps/Ch Throughput Rate
nn Eight Simultaneously Sampling Channels
nn Guaranteed 14-Bit, No Missing Codes
nn 8VP-P Differential Inputs with Wide Input
Common Mode Range
nn 81dB SNR (Typ) at fIN = 500kHz
nn –90dB THD (Typ) at fIN = 500kHz
nn Guaranteed Operation to 125°C
nn Single 3.3V or 5V Supply
nn Low Drift (20ppm/°C Max) 2.048V or 4.096V
Internal Reference
nn 1.8V to 2.5V I/O Voltages
nn CMOS or LVDS SPI-Compatible Serial I/O
nn Power Dissipation 20mW/Ch (Typ)
nn Small 52-Lead (7mm × 8mm) QFN Package
APPLICATIONS
nn High Speed Data Acquisition Systems
nn Communications
nn Optical Networking
nn Multiphase Motor Control
LTC2320-14
Octal, 14-Bit + Sign,
1.5Msps/Ch Simultaneous
Sampling ADC
DESCRIPTION
The LTC®2320-14 is a low noise, high speed octal 14‑bit
+ sign successive approximation register (SAR) ADC with
differential inputs and wide input common mode range.
Operating from a single 3.3V or 5V supply, the LTC2320-
14 has an 8VP-P differential input range, making it ideal
for applications which require a wide dynamic range with
high common mode rejection. The LTC2320-14 achieves
±1LSB INL typical, no missing codes at 14 bits and 81dB
SNR.
The LTC2320-14 has an onboard low drift (20ppm/°C
max) 2.048V or 4.096V temperature-compensated
reference. The LTC2320-14 also has a high speed SPI-
compatible serial interface that supports CMOS or LVDS.
The fast 1.5Msps per channel throughput with no latency
makes the LTC2320-14 ideally suited for a wide variety
of high speed applications. The LTC2320-14 dissipates
only 20mW per channel and offers nap and sleep modes
to reduce the power consumption to 26μW for further
power savings during inactive periods.
All registered trademarks and trademarks are the property of their respective owners.
TYPICAL APPLICATION
10µF
3.3V OR 5V
1µF
1.8V TO 2.5V
TRUE DIFFERENTIAL INPUTS
NO CONFIGURATION REQUIRED
IN+, IN
ARBITRARY
DIFFERENTIAL
VDD
VDD
0V
0V
BIPOLAR
VDD
UNIPOLAR
VDD
0V
0V
EIGHT SIMULTANEOUS
SAMPLING CHANNELS
AAIINN11+S/H
VDD GND
14-BIT
MUX + SIGN
AAIINN22+S/H
SAR ADC
GND OVDD
CMOS/LVDS
SDR/DDR
REFBUFEN
AAIINN33+S/H
AAIINN44+S/H
AAIINN55+S/H
AAIINN66–+ S/H
14-BIT
MUX + SIGN
SAR ADC
LTC2320-14
14-BIT
MUX + SIGN
SAR ADC
SDO1
SDO2
SDO3
SDO4
SDO5
SDO6
SDO7
SDO8
CLKOUT
SCK
CNV
AAIINN77+S/H
AAIINN88+S/H
MUX
14-BIT
+ SIGN
SAR ADC
REF REFOUT1 REFOUT2 REFOUT3 REFOUT4
232014 TA01a
1µF
10µF 10µF
10µF 10µF
SAMPLE
CLOCK
For more information www.linear.com/LTC2320-14
32k Point FFT fSMPL = 1.5Msps,
fIN = S5M0P0LkHz
IN
0 SNR = 81.1dB
THD = –90.2dB
–20 SINAD = 80.8dB
SFDR = 94.7dB
–40
–60
–80
–100
–120
–140
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7
FREQUENCY (MHz)
232014 TA01b
232014fa
1


Analog Devices Semiconductor Electronic Components Datasheet

LTC2320HUKG-14 Datasheet

1.5Msps/Ch Simultaneous Sampling ADC

No Preview Available !

LTC2320-14
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2)
Supply Voltage (VDD)...................................................6V
Supply Voltage (OVDD).................................................3V
Analog Input Voltage
AIN+, AIN– (Note 3).................... –0.3V to (VDD + 0.3V)
REFOUT1,2,3,4........................ .–0.3V to (VDD + 0.3V)
CNV........................................ –0.3V to (OVDD + 0.3V)
Digital Input Voltage
(Note 3)........................... (GND – 0.3V) to (OVDD + 0.3V)
Digital Output Voltage
(Note 3)........................... (GND – 0.3V) to (OVDD + 0.3V)
Operating Temperature Range
LTC2320C................................................. 0°C to 70°C
LTC2320I..............................................–40°C to 85°C
LTC2320H........................................... –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
PIN CONFIGURATION
TOP VIEW
AIN6– 1
AIN6+ 2
52 51 50 49 48 47 46 45 44 43 42 41
40
39
SDO8/SDOD
SDO7/SDOD+
GND 3
38 GND
AIN5– 4
AIN5+ 5
REFOUT3 6
37 OVDD
36 SDO6/SDOC
35 SDO5/SDOC+
GND 7
REF 8
34 CLKOUTEN/CLKOUT
53
GND
33 CLKOUT/CLKOUT+
REFOUT2 9
32 GND
AIN4– 10
AIN4+ 11
GND 12
31 OVDD
30 SDO4/SDOB
29 SDO3/SDOB+
AIN3– 13
AIN3+ 14
28 SDO2/SDOA
27 SDO1/SDOA+
15 16 17 18 19 20 21 22 23 24 25 26
UKG PACKAGE
52-LEAD (7mm × 8mm) PLASTIC QFN
TJMAX = 150°C, θJA = 31°C/W
EXPOSED PAD (PIN 53) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION http://www.linear.com/product/LTC2320-14#orderinfo
LEAD FREE FINISH
TAPE AND REEL
PART MARKING* PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2320CUKG-14#PBF LTC2320CUKG-14#TRPBF LTC2320UKG-14 52-Lead (7mm × 8mm) Plastic QFN
0°C to 70°C
LTC2320IUKG-14#PBF LTC2320IUKG-14#TRPBF LTC2320UKG-14 52-Lead (7mm × 8mm) Plastic QFN
–40°C to 85°C
LTC2320HUKG-14#PBF LTC2320HUKG-14#TRPBF LTC2320UKG-14 52-Lead (7mm × 8mm) Plastic QFN
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
232014fa
2
For more information www.linear.com/LTC2320-14


Part Number LTC2320HUKG-14
Description 1.5Msps/Ch Simultaneous Sampling ADC
Maker Analog Devices
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LTC2320HUKG-14 Datasheet PDF






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