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Linear Technology Electronic Components Datasheet

LTC2290IUP Datasheet

10Msps Low Power 3V ADC

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FEATURES
Integrated Dual 12-Bit ADCs
Sample Rate: 10Msps
Single 3V Supply (2.7V to 3.4V)
Low Power: 120mW
71.3dB SNR
90dB SFDR
110dB Channel Isolation
Multiplexed or Separate Data Bus
Flexible Input: 1VP-P to 2VP-P Range
575MHz Full Power Bandwidth S/H
Clock Duty Cycle Stabilizer
Shutdown and Nap Modes
Pin Compatible Family
105Msps: LTC2282 (12-Bit), LTC2284 (14-Bit)
80Msps: LTC2294 (12-Bit), LTC2299 (14-Bit)
65Msps: LTC2293 (12-Bit), LTC2298 (14-Bit)
40Msps: LTC2292 (12-Bit), LTC2297 (14-Bit)
25Msps: LTC2291 (12-Bit), LTC2296 (14-Bit)
10Msps: LTC2290 (12-Bit), LTC2295 (14-Bit)
64-Pin (9mm × 9mm) QFN Package
U
APPLICATIO S
Wireless and Wired Broadband Communication
Imaging Systems
Spectral Analysis
Portable Instrumentation
LTC2290
Dual 12-Bit, 10Msps
Low Power 3V ADC
DESCRIPTIO
The LTC®2290 is a 12-bit 10Msps, low power dual 3V
A/D converter designed for digitizing high frequency, wide
dynamic range signals. The LTC2290 is perfect for
demanding imaging and communications applications
with AC performance that includes 71.3dB SNR and 90dB
SFDR for signals well beyond the Nyquist frequency.
DC specs include ±0.3LSB INL (typ), ±0.15LSB DNL (typ)
and no missing codes over temperature. The transition
noise is a low 0.25LSBRMS.
A single 3V supply allows low power operation. A separate
output supply allows the outputs to drive 0.5V to 3.6V
logic. An optional multiplexer allows both channels to
share a digital output bus.
A single-ended CLK input controls converter operation.
An optional clock duty cycle stabilizer allows high perfor-
mance at full speed for a wide range of clock duty cycles.
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATIO
ANALOG
INPUT A
+
INPUT
S/H
CLK A
CLK B
CLOCK/DUTY CYCLE
CONTROL
CLOCK/DUTY CYCLE
CONTROL
ANALOG
INPUT B
+
INPUT
S/H
12-BIT
PIPELINED
ADC CORE
12-BIT
PIPELINED
ADC CORE
OUTPUT
DRIVERS
OVDD
D11A
•••
D0A
OGND
MUX
OUTPUT
DRIVERS
OVDD
D11B
•••
D0B
OGND
2295 TA01
Typical INL, 2V Range
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
1024
2048
CODE
3072
4096
2290 TA01
2290fa
1


Linear Technology Electronic Components Datasheet

LTC2290IUP Datasheet

10Msps Low Power 3V ADC

No Preview Available !

LTC2290
ABSOLUTE AXI U RATI GS
OVDD = VDD (Notes 1, 2)
Supply Voltage (VDD) ................................................. 4V
Digital Output Ground Voltage (OGND) ....... –0.3V to 1V
Analog Input Voltage (Note 3) ..... –0.3V to (VDD + 0.3V)
Digital Input Voltage .................... –0.3V to (VDD + 0.3V)
Digital Output Voltage ................ –0.3V to (OVDD + 0.3V)
Power Dissipation ............................................ 1500mW
Operating Temperature Range
LTC2290C ............................................... 0°C to 70°C
LTC2290I .............................................–40°C to 85°C
Storage Temperature Range ..................–65°C to 125°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
AINA+ 1
AINA– 2
REFHA 3
48 DA5
47 DA4
46 DA3
REFHA 4
45 DA2
REFLA 5
44 DA1
REFLA 6
43 DA0
VDD 7
42 NC
CLKA 8
65
41 NC
CLKB 9
40 OFB
VDD 10
REFLB 11
39 DB11
38 DB10
REFLB 12
37 DB9
REFHB 13
36 DB8
REFHB 14
AINB– 15
AINB+ 16
35 DB7
34 DB6
33 DB5
UP PACKAGE
64-LEAD (9mm × 9mm) PLASTIC QFN
TJMAX = 125°C, θJA = 20°C/W
EXPOSED PAD (PIN 65) IS GND AND MUST BE SOLDERED TO PCB
ORDER PART
NUMBER
QFN PART*
MARKING
LTC2290CUP
LTC2290IUP
LTC2290UP
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*The temperature grade is identified by a label on the shipping container.
CO VERTER CHARACTERISTICS The denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 4)
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity Error
Offset Error
Gain Error
Offset Drift
Full-Scale Drift
Gain Matching
Offset Matching
Transition Noise
2
CONDITIONS
Differential Analog Input (Note 5)
Differential Analog Input
(Note 6)
External Reference
Internal Reference
External Reference
External Reference
SENSE = 1V
MIN TYP MAX UNITS
12
Bits
–1.3 ±0.3 1.3
LSB
–0.7 ±0.15 0.7
LSB
–12 ±2 12
mV
–2.5 ±0.5 2.5
%FS
±10
µV/°C
±30
ppm/°C
±5
ppm/°C
±0.3
%FS
±2
mV
0.25
LSBRMS
2290fa


Part Number LTC2290IUP
Description 10Msps Low Power 3V ADC
Maker Linear Technology
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