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Linear Technology Electronic Components Datasheet

LTC2232UK Datasheet

10-Bit ADCs

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FEATURES
Sample Rate: 105Msps/80Msps
61dB SNR up to 140MHz Input
75dB SFDR up to 200MHz Input
775MHz Full Power Bandwidth S/H
Single 3.3V Supply
Low Power Dissipation: 475mW/366mW
Selectable Input Ranges: ±0.5V or ±1V
No Missing Codes
Optional Clock Duty Cycle Stabilizer
Shutdown and Nap Modes
Data Ready Output Clock
Pin Compatible Family
135Msps: LTC2224 (12-Bit), LTC2234 (10-Bit)
105Msps: LTC2222 (12-Bit), LTC2232 (10-Bit)
80Msps: LTC2223 (12-Bit), LTC2233 (10-Bit)
48-Pin 7mm x 7mUm QFN Package
APPLICATIO S
Wireless and Wired Broadband Communication
Cable Head-End Systems
Power Amplifier Linearization
Communications Test Equipment
TYPICAL APPLICATIO
REFH
REFL
FLEXIBLE
REFERENCE
3.3V
VDD
ANALOG
INPUT
+
INPUT
S/H
10-BIT
PIPELINED
ADC CORE
CORRECTION
LOGIC
CLOCK/DUTY
CYCLE
CONTROL
ENCODE INPUT
LTC2232/LTC2233
10-Bit,105Msps/
80Msps ADCs
DESCRIPTIO
The LTC®2232 and LTC2233 are 105Msps/80Msps, sam-
pling 10-bit A/D converters designed for digitizing high
frequency, wide dynamic range signals. The LTC2232/
LTC2233 are perfect for demanding communications
applications with AC performance that includes 61dB SNR
and 75dB spurious free dynamic range for signals
up to 200MHz. Ultralow jitter of 0.15psRMS allows
undersampling of IF frequencies with excellent noise
performance.
DC specs include ±0.15LSB INL (typ), ±0.1LSB DNL (typ)
and ±0.8LSB INL, ±0.6LSB DNL over temperature. The
transition noise is a low 0.12LSBRMS.
A separate output power supply allows the outputs to drive
0.5V to 3.6V logic.
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 allows high
performance 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.
OUTPUT
DRIVERS
0.5V
TO 3.6V
OVDD
D9
D0
OGND
22323 TA01
SFDR vs Input Frequency
90
85
4th OR HIGHER
80
75
70
2nd OR 3rd
65
60
55
50
0
100 200 300 400 500 600
INPUT FREQUENCY (MHz) 22323 TA01b
22323fa
1


Linear Technology Electronic Components Datasheet

LTC2232UK Datasheet

10-Bit ADCs

No Preview Available !

LTC2232/LTC2233
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
LTC2232C, LTC2233C ............................. 0°C to 70°C
LTC2232I, LTC2233I ...........................–40°C to 85°C
Storage Temperature Range ..................–65°C to 125°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
AIN+ 1
AIN– 2
REFHA 3
36 D7
35 D6
34 D5
REFHA 4
REFLB 5
33 OVDD
32 OGND
REFLB 6
REFHB 7
49
31 D4
30 D3
REFHB 8
29 D2
REFLA 9
REFLA 10
28 OVDD
27 OGND
VDD 11
VDD 12
26 D1
25 D0
UK PACKAGE
48-LEAD (7mm × 7mm) PLASTIC QFN
EXPOSED PAD IS GND (PIN 49),
MUST BE SOLDERED TO PCB
TJMAX = 125°C, θJA = 29°C/W
ORDER PART
NUMBER
UK PART
MARKING*
LTC2232CUK
LTC2232IUK
LTC2233CUK
LTC2233IUK
LTC2232UK
LTC2232UK
LTC2233UK
LTC2233UK
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/
*The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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
CONDITIONS
MIN TYP MAX UNITS
Resolution (No Missing Codes)
10
Bits
Integral Linearity Error (Note 5)
Differential Analog Input
–0.8 ±0.15 0.8
LSB
Differential Linearity Error
Differential Analog Input
–0.6 ±0.1
0.6
LSB
Integral Linearity Error (Note 5)
Single-Ended Analog Input
±0.5
LSB
Differential Linearity Error
Single-Ended Analog Input
±0.1
LSB
Offset Error (Note 6)
–37
±5
37
mV
Gain Error
External Reference
–2.5 ±0.5
2.5
%FS
Offset Drift
±10
µV/C
Full-Scale Drift
Internal Reference
External Reference
±30
ppm/C
±15
ppm/C
Transition Noise
SENSE = 1V
0.12
LSBRMS
22323fa
2


Part Number LTC2232UK
Description 10-Bit ADCs
Maker Linear Technology
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LTC2232UK Datasheet PDF






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