參數(shù)資料
型號(hào): LTC2238IUH#TRPBF
廠商: Linear Technology
文件頁(yè)數(shù): 1/28頁(yè)
文件大?。?/td> 0K
描述: IC ADC 10BIT 65MSPS 3V 32-QFN
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 10
采樣率(每秒): 65M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 240mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 32-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 32-QFN 裸露焊盤(pán)(5x5)
包裝: 帶卷 (TR)
輸入數(shù)目和類(lèi)型: 1 個(gè)單端,雙極; 1 個(gè)差分,雙極
LTC2238/LTC2237/LTC2236
1
223876fa
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
Sample Rate: 65Msps/40Msps/25Msps
Single 3V Supply (2.7V to 3.4V)
Low Power: 205mW/120mW/75mW
61.8dB SNR
85dB SFDR
No Missing Codes
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:
125Msps: LTC2251 (10-Bit), LTC2253 (12-Bit)
105Msps: LTC2250 (10-Bit), LTC2252 (12-Bit)
80Msps: LTC2239 (10-Bit), LTC2229 (12-Bit)
65Msps: LTC2238 (10-Bit), LTC2228 (12-Bit)
40Msps: LTC2237 (10-Bit), LTC2227 (12-Bit)
25Msps: LTC2236 (10-Bit), LTC2226 (12-Bit)
32-Pin (5mm
× 5mm) QFN Package
10-Bit, 65/40/25Msps
Low Noise 3V ADCs
The LTC
2238/LTC2237/LTC2236 are 10-bit 65Msps/
40Msps/25Msps, low power 3V A/D converters designed
for digitizing high frequency, wide dynamic range signals.
The LTC2238/LTC2237/LTC2236 are perfect for demand-
ing imaging and communications applications with AC
performance that includes 61.8dB SNR and 85dB SFDR
for signals at the Nyquist frequency.
DC specs include
±0.1LSB INL (typ), ±0.05LSB DNL (typ)
and
±0.5LSB INL, ±0.5LSB DNL over temperature. The
transition noise is a low 0.07LSBRMS.
A single 3V supply allows low power operation. A separate
output supply allows the outputs to drive 0.5V to 3.6V
logic.
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.
LTC2238: SNR vs Input Frequency,
–1dB, 2V Range, 65Msps
Wireless and Wired Broadband Communication
Imaging Systems
Ultrasound
Spectral Analysis
Portable Instrumentation
INPUT FREQUENCY (MHz)
0
SNR
(dBFS)
59.5
60.5
200
223876 G09
58.5
57.5
50
100
150
62.5
61.5
+
INPUT
S/H
CORRECTION
LOGIC
OUTPUT
DRIVERS
10-BIT
PIPELINED
ADC CORE
CLOCK/DUTY
CYCLE
CONTROL
FLEXIBLE
REFERENCE
D9
D0
CLK
REFH
REFL
ANALOG
INPUT
223876 TA01
OVDD
OGND
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
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