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參數(shù)資料
| 型號： | LTC6409IUDB#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP/DRIVER DIFF GBW 10-QFN |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | ADC 驅(qū)動器 |
| 應(yīng)用： | 數(shù)據(jù)采集 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-WQFN |
| 供應(yīng)商設(shè)備封裝： | 10-TQFN（3x2） |
| 包裝： | 帶卷 (TR) |
LTC6409
1
6409fa
LTC6409 Driving LTC2262-14 ADC,
fIN = 70MHz, –1dBFS,
fS = 150MHz, 4096-Point FFT
Typical applicaTion
DescripTion
10GHz GBW, 1.1nV/
√Hz
Differential Amplifier/ADC
Driver
The LTC6409 is a very high speed, low distortion, dif-
ferential amplifier. Its input common mode range includes
ground, so that a ground-referenced input signal can be
DC-coupled, level-shifted, and converted to drive an ADC
differentially.
The gain and feedback resistors are external, so that the
exact gain and frequency response can be tailored to each
application. For example, the amplifier could be externally
compensated in a no-overshoot configuration, which is
desired in certain time-domain applications.
The LTC6409 is stable in a differential gain of 1. This al-
lows for a low output noise in applications where gain is
not desired. It draws 52mA of supply current and has a
hardware shutdown feature which reduces current con-
sumption to 100A.
The LTC6409 is available in a compact 3mm
× 2mm 10-pin
leadless QFN package and operates over a –40°C to 125°C
temperature range.
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
DC-Coupled Interface from a Ground-Referenced Single-Ended
Input to an LTC2262-14 ADC
FeaTures
applicaTions
n
10GHz Gain-Bandwidth Product
n
88dB SFDR at 100MHz, 2VP-P
n
1.1nV/√Hz Input Noise Density
n
Input Range Includes Ground
n
External Resistors Set Gain (Min 1V/V)
n
3300V/s Differential Slew Rate
n
52mA Supply Current
n
2.7V to 5.25V Supply Voltage Range
n
Fully Differential Input and Output
n
Adjustable Output Common Mode Voltage
n
Low Power Shutdown
n
Small 10-Lead 3mm
× 2mm × 0.75mm QFN Package
n
Differential Pipeline ADC Driver
n
High-Speed Data-Acquisition Cards
n
Automated Test Equipment
n
Time Domain Reflexometry
n
Communications Receivers
+
–
+
150
1.3pF
LTC6409
VOCM = 0.9V
VIN
33.2
10
150
6409 TA01
AIN+
AIN–
LTC2262-14 ADC
GND
VDD
1.8V
3.3V
1.3pF
39pF
FREQUENCY (MHz)
6409 TA01b
AMPLITUDE
(dBFS)
0
–80
–70
–60
–50
–40
–30
–20
–10
–90
–100
–110
–120
0
70
40
10
50
20
60
30
VS = 3.3V
VOUTDIFF = 1.8VP-P
HD2 = –86.5dBc
HD3 = –89.4dBc
SFDR = 81.6dB
SNR = 71.1dB
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