參數(shù)資料
型號: TC6400IUD-20#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 1-CH 16-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC16
封裝: 3 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-220WEED-2, QFN-16
文件頁數(shù): 1/16頁
文件大?。?/td> 234K
代理商: TC6400IUD-20#TRPBF
LTC6400-20
1
640020p
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
1.8GHz Low Noise, Low
Distortion Differential ADC
Driver for 300MHz IF
The LTC6400-20 is a high-speed differential amplier
targeted at processing signals from DC to 300MHz. The
part has been specically designed to drive 12-, 14- and
16-bit ADCs with low noise and low distortion, but can also
be used as a general-purpose broadband gain block.
The LTC6400-20 is easy to use, with minimal support
circuitry required. The output common mode voltage is
set using an external pin, independent of the inputs, which
eliminates the need for transformers or AC-coupling ca-
pacitors in many applications. The gain is internally xed
at 20dB (10V/V).
The LTC6400-20 saves space and power compared to
alternative solutions using IF gain blocks and transform-
ers. The LTC6400-20 is packaged in a compact 16-lead
3mm × 3mm QFN package and operates over the –40°C
to 85°C temperature range.
Output IP3 vs Frequency
1.8GHz –3dB Bandwidth
Fixed Gain of 10V/V (20dB)
–94dBc IMD3 at 70MHz
51dBm OIP3 at 70MHz (37dBm at 300MHz)
1nV/√Hz Internal Op Amp Noise
2.1nV/√Hz Total Input Noise
6.2dB Noise Figure
Differential Inputs and Outputs
200Ω Input Impedance
2.85V to 3.5V Supply Voltage
90mA Supply Current (270mW)
1V to 1.6V Output Common Mode Voltage,
Adjustable
DC- or AC-Coupled Operation
Max Differential Output Swing 4.4VP-P
Small 16-Lead 3mm × 3mm × 0.75mm QFN Package
Differential ADC Driver
Differential Driver/Receiver
Single Ended to Differential Conversion
IF Sampling Receivers
SAW Filter Interfacing
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
29
Ω
66.5
Ω
0.1
μF
0.1
μF
640020 TA01a
LTC6400-20
VOCM
V+
ENABLE
–IN
+IN
LTC2208
10
Ω
0.1
μF
1000pF
LTC2208 130Msps
16-Bit ADC
1.25V
3.3V
10
Ω
+OUT
+OUTF
–OUTF
–OUT
V–
AIN+
AIN
VCM
VDO
20dB GAIN
0.1
μF
Single-Ended to Differential ADC Driver
FREQUENCY (MHz)
050
OUTPUT
IP3
(dBm)
60
50
40
30
20
10
0
100
150
200
640020 TA01b
250
300
Electrical Specifications Subject to Change
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