參數(shù)資料
型號(hào)： LT1993CUD-2#PBF
廠(chǎng)商： Linear Technology
文件頁(yè)數(shù)： 1/20頁(yè)
文件大?。?/td> 0K
描述： IC DIFF AMP/ADC DRVR 16-QFN
標(biāo)準(zhǔn)包裝： 121
放大器類(lèi)型： 差分
電路數(shù)： 2
輸出類(lèi)型： 差分
轉(zhuǎn)換速率： 1100 V/µs
-3db帶寬： 800MHz
電流 - 輸入偏壓： 5µA
電壓 - 輸入偏移： 1000µV
電流 - 電源： 100mA
電流 - 輸出 / 通道： 45mA
電壓 - 電源，單路/雙路(±)： 4 V ~ 5.5 V，±2 V ~ 2.5 V
工作溫度： 0°C ~ 70°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 16-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 16-QFN-EP（3x3）
包裝： 管件
產(chǎn)品目錄頁(yè)面： 1322 (CN2011-ZH PDF)
LT1993-2
1
19932fa
800MHz Low Distortion, Low
Noise Differential Amplier/
ADC Driver (AV = 2V/V)
The LT1993-2 is a low distortion, low noise Differential
Amplier/ADC driver for use in applications from DC to
800MHz. The LT1993-2 has been designed for ease of
use, with minimal support circuitry required. Exception-
ally low input-referred noise and low distortion products
(with either single-ended or differential inputs) make the
LT1993-2 an excellent solution for driving high speed 12-
bit and 14-bit ADCs. In addition to the normal unltered
outputs (+OUT and –OUT), the LT1993-2 has a built-in
175MHz differential low pass lter and an additional pair
of ltered outputs (+OUTFILTERED, –OUTFILTERED) to
reduce external ltering components when driving high
speed ADCs. The output common mode voltage is easily set
via the VOCM pin, eliminating either an output transformer
or AC-coupling capacitors in many applications.
The LT1993-2 is designed to meet the demanding require-
ments of communications transceiver applications. It can
be used as a differential ADC driver, a general-purpose
differential gain block, or in any other application requir-
ing differential drive. The LT1993-2 can be used in data
acquisition systems required to function at frequencies
down to DC.
The LT1993-2 operates on a 5V supply and consumes
100mA. It comes in a compact 16-lead 3
× 3 QFN package
and operates over a –40°C to 85°C temperature range.
■ Differential ADC Driver for:
Imaging
Communications
■ Differential Driver/Receiver
■ Single Ended to Differential Conversion
■ Differential to Single Ended Conversion
■ Level Shifting
■ IF Sampling Receivers
■ SAW Filter Interfacing/Buffering
■ 800MHz –3dB Bandwidth
■ Fixed Gain of 2V/V (6dB)
■ Low Distortion:
38dBm OIP3, –70dBc HD3 (70MHz, 2VP-P)
51dBm OIP3, –94dBc HD3 (10MHz, 2VP-P)
■ Low Noise: 12.3dB NF, en = 3.8nV/√Hz (70MHz)
■ Differential Inputs and Outputs
■ Additional Filtered Outputs
■ Adjustable Output Common Mode Voltage
■ DC- or AC-Coupled Operation
■ Minimal Support Circuitry Required
■ Small 0.75mm Tall 16-Lead 3
× 3 QFN Package
4-Channel WCDMA Receive Channel
APPLICATIO S
U
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
2.2V
19932 TA01a
MINI-CIRCUITS
TCM4-19
1:4
Z-RATIO
LTC2255 125Msps
14-BIT ADC SAMPLING
AT 92.16Msps
70MHz
IF IN
52.3pF
82nH
0.1
F
0.1
F
12.2
LT1993-2
–INA
–INB
–OUTFILTERED
–OUT
+OUTFILTERED
+OUT
+INB
+INA
VOCM
ENABLE
12.2
LTC2255
ADC
AIN–
AIN+
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
0
–20
–40
–80
–60
–100
–10
–30
–50
–90
–70
–110
–120
19932 TA01b
15
10
520
25
45
30
35
40
32768 POINT FFT
TONE CENTER FREQUENCIES
AT 62.5MHz, 67.5MHz,
72.5MHz, 77.5MHz
4-Tone WCDMA Waveform,
LT1993-2 Driving LTC2255 14-Bit
ADC at 92.16Msps
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1993CUD-4 制造商:Linear Technology 功能描述:DIFF-AMPLIFIER, 900MHZ, 1.1KV/US, QFN-16, No. of Amplifiers:2, Input Offset Voltage:1mV, Gain dB Max:12.4dB, Bandwidth:900MHz, Amplifier Case Style:QFN, No. of Pins:16, Supply Voltage Range:4V to 5.5V, Slew Rate:1.1kV/s, MSL:-
LT1993CUD-4#PBF 功能描述:IC DIFF AMP/ADC DRVR 16-QFN RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類(lèi)型:通用 電路數(shù):4 輸出類(lèi)型:滿(mǎn)擺幅 轉(zhuǎn)換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:剪切帶 (CT) 其它名稱(chēng):OP481GRUZ-REELCT
LT1993CUD-4#TR 制造商:Linear Technology 功能描述:DIFF-AMPLIFIER, 900MHZ, 1.1KV/US, QFN-16, No. of Amplifiers:2, Input Offset Voltage:1mV, Gain dB Max:12.4dB, Bandwidth:900MHz, Amplifier Case Style:QFN, No. of Pins:16, Supply Voltage Range:4V to 5.5V, Slew Rate:1.1kV/s, MSL:-
LT1993CUD-4#TRPBF 功能描述:IC DIFF AMP/ADC DRVR 16-QFN RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類(lèi)型:通用 電路數(shù):1 輸出類(lèi)型:滿(mǎn)擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:帶卷 (TR)
LT1993IUD-10 制造商:LINER 制造商全稱(chēng):Linear Technology 功能描述:700MHz Low Distortion, Low Noise Differential Amplifi er/ADC Driver (AV = 10V/V)
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