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Linear Technology Electronic Components Datasheet

LTC2262CUJ-12 Datasheet

Ultralow Power 1.8V ADC

No Preview Available !

FEATURES
n 70.5dB SNR
n 88dB SFDR
n Low Power: 146mW
n Single 1.8V Supply
n CMOS, DDR CMOS or DDR LVDS Outputs
n Selectable Input Ranges: 1VP-P to 2VP-P
n 800MHz Full-Power Bandwidth S/H
n Optional Data Output Randomizer
n Optional Clock Duty Cycle Stabilizer
n Shutdown and Nap Modes
n Serial SPI Port for Configuration
n Pin Compatible 14-Bit and 12-Bit Versions
n 40-Pin (6mm × 6mm) QFN Package
APPLICATIONS
n Communications
n Cellular Base Stations
n Software Defined Radios
n Portable Medical Imaging
n Multi-Channel Data Acquisition
n Nondestructive Testing
LTC2262-12
12-Bit, 150Msps
Ultralow Power 1.8V ADC
DESCRIPTION
The LTC®2262-12 is a sampling 12-bit A/D converter
designed for digitizing high frequency, wide dynamic range
signals. The LTC2262-12 is perfect for demanding commu-
nications applications with AC performance that includes
70.5dB SNR and 88dB spurious free dynamic range (SFDR).
Ultralow jitter of 0.17psRMS allows undersampling of IF
frequencies with excellent noise performance.
DC specs include ±0.3LSB INL (typical), ±0.1LSB DNL
(typical) and no missing codes over temperature. The
transition noise is a low 0.3LSBRMS.
The digital outputs can be either full rate CMOS, double
data rate CMOS, or double data rate LVDS. A separate
output power supply allows the CMOS output swing to
range from 1.2V to 1.8V.
The ENC+ and ENCinputs may be driven differentially
or single-ended with a sine wave, PECL, LVDS, TTL or
CMOS inputs. An optional clock duty cycle stabilizer al-
lows high performance at full speed for a wide range of
clock duty cycles.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
ANALOG
INPUT
+
INPUT
S/H
150MHz
CLOCK
CLOCK/DUTY
CYCLE
CONTROL
1.8V
VDD
12-BIT
PIPELINED
ADC CORE
CORRECTION
LOGIC
OUTPUT
DRIVERS
1.2V
TO 1.8V
OVDD
D11
• CMOS
• OR
• LVDS
D0
OGND
GND
226212 TA01a
For more information www.linear.com/LTC2262-12
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
LTC2262-12 2-Tone FFT,
fIN = 68MHz and 69MHz
10 20 30 40 50 60 70
FREQUENCY (MHz)
226212 TA01b
226212fc
1


Linear Technology Electronic Components Datasheet

LTC2262CUJ-12 Datasheet

Ultralow Power 1.8V ADC

No Preview Available !

LTC2262-12
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2)
Supply Voltages (VDD, OVDD)........................ –0.3V to 2V
Analog Input Voltage (AIN+, AIN–,
PAR/SER, SENSE) (Note 3)............–0.3V to (VDD + 0.2V)
Digital Input Voltage (ENC+, ENC, CS,
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:
LTC2262C................................................. 0°C to 70°C
LTC2262I.............................................. –40°C to 85°C
Storage Temperature Range.................... –65°C to 150°C
PIN CONFIGURATIONS
FULL-RATE CMOS OUTPUT MODE
TOP VIEW
DOUBLE DATA RATE CMOS OUTPUT MODE
TOP VIEW
AIN+ 1
AIN– 2
GND 3
REFH 4
40 39 38 37 36 35 34 33 32 31
30 D7
29 D6
28 CLKOUT+
27 CLKOUT
REFH 5
REFL 6
41
26 OVDD
25 OGND
REFL 7
24 D5
PAR/SER 8
23 D4
VDD 9
VDD 10
22 D3
21 D2
11 12 13 14 15 16 17 18 19 20
AIN+ 1
AIN– 2
GND 3
REFH 4
40 39 38 37 36 35 34 33 32 31
30 D6_7
29 DNC
28 CLKOUT+
27 CLKOUT
REFH 5
REFL 6
41
26 OVDD
25 OGND
REFL 7
24 D4_5
PAR/SER 8
23 DNC
VDD 9
VDD 10
22 D2_3
21 DNC
11 12 13 14 15 16 17 18 19 20
UJ PACKAGE
40-LEAD (6mm × 6mm) PLASTIC QFN
TJMAX = 150°C, θJA = 32°C/W
EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB
UJ PACKAGE
40-LEAD (6mm × 6mm) PLASTIC QFN
TJMAX = 150°C, θJA = 32°C/W
EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB
DOUBLE DATA RATE LVDS OUTPUT MODE
TOP VIEW
2
AIN+ 1
AIN– 2
GND 3
REFH 4
40 39 38 37 36 35 34 33 32 31
30 D6_7+
29 D6_7
28 CLKOUT+
27 CLKOUT
REFH 5
REFL 6
41
26 OVDD
25 OGND
REFL 7
24 D4_5+
PAR/SER 8
23 D4_5
VDD 9
VDD 10
22 D2_3+
21 D2_3
11 12 13 14 15 16 17 18 19 20
UJ PACKAGE
40-LEAD (6mm × 6mm) PLASTIC QFN
TJMAX = 150°C, θJA = 32°C/W
EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB
For more information www.linear.com/LTC2262-12
226212fc


Part Number LTC2262CUJ-12
Description Ultralow Power 1.8V ADC
Maker Linear
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