參數(shù)資料
型號(hào): LTC2220CUP-1#TRPBF
廠商: Linear Technology
文件頁(yè)數(shù): 1/28頁(yè)
文件大?。?/td> 0K
描述: IC ADC 12BIT 185MSPS 64-QFN
標(biāo)準(zhǔn)包裝: 2,000
位數(shù): 12
采樣率(每秒): 185M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 1.18W
電壓電源: 單電源
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 64-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 64-QFN(9x9)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)單端,雙極; 1 個(gè)差分,雙極
LTC2220-1
1
2220_1fa
+
INPUT
S/H
CORRECTION
LOGIC
OUTPUT
DRIVERS
12-BIT
PIPELINED
ADC CORE
CLOCK/DUTY
CYCLE
CONTROL
FLEXIBLE
REFERENCE
D11
D0
ENCODE
INPUT
REFH
REFL
ANALOG
INPUT
22201 TA01
CMOS
OR
LVDS
0.5V
TO 3.6V
3.3V
VDD
OVDD
OGND
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
The LTC
2220-1 is a 185Msps, sampling 12-bit A/D
converter designed for digitizing high frequency, wide
dynamic range signals. The LTC2220-1 is perfect for
demanding communications applications with AC perfor-
mance that includes 67.5dB SNR and 80dB spurious free
dynamic range for signals up to 170MHz. Ultralow jitter of
0.15psRMS allows undersampling of IF frequencies with
excellent noise performance.
DC specs include
±0.7LSB INL (typ), ±0.5LSB DNL (typ)
and no missing codes over temperature. The transition
noise is a low 0.5LSBRMS.
The digital outputs can be either differential LVDS, or
single-ended CMOS. There are three format options for
the CMOS outputs: a single bus running at the full data rate
or two demultiplexed buses running at half data rate with
either interleaved or simultaneous update. A separate
output power supply allows the CMOS output swing to
range from 0.5V to 3.6V.
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.
APPLICATIO S
U
SFDR vs Input Frequency
0
600
500
400
100
200
300
INPUT FREQUENCY (MHz)
SFDR
(dBFS)
80
90
100
22201 TA01b
70
60
40
50
4th OR HIGHER
2nd OR 3rd
12-Bit,185Msps ADC
Sample Rate: 185Msps
67.5dB SNR up to 140MHz Input
80dB SFDR up to 170MHz Input
775MHz Full Power Bandwidth S/H
Single 3.3V Supply
Low Power Dissipation: 910mW
LVDS, CMOS, or Demultiplexed CMOS Outputs
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
185Msps: LTC2220-1 (12-Bit)
170Msps: LTC2220 (12-Bit), LTC2230 (10-Bit)
135Msps: LTC2221 (12-Bit), LTC2231 (10-Bit)
64-Pin 9mm
× 9mm QFN Package
Wireless and Wired Broadband Communication
Cable Head-End Systems
Power Amplifier Linearization
Communications Test Equipment
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