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參數(shù)資料
| 型號(hào)： | LT6604IUFF-5#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 0K |
| 描述： | IC AMP DIFF LN DUAL 34-QFN |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類型： | 差分 |
| 電路數(shù)： | 2 |
| 輸出類型： | 差分 |
| 電流 - 輸入偏壓： | 30µA |
| 電壓 - 輸入偏移： | 8000µV |
| 電流 - 電源： | 30mA |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 11 V，±1.5 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 34-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 34-QFN-EP（4x7） |
| 包裝： | 帶卷 (TR) |
LT6604-5
1
66045fa
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
Dual Very Low Noise,
Differential Amplier and
5MHz Lowpass Filter
The LT6604-5 consists of two matched, fully differential
ampliers, each with a 4th order, 5MHz lowpass lter. The
xed frequency lowpass lter approximates a Chebyshev
response. By integrating a lter and a differential ampli-
er, distortion and noise are made exceptionally low. At
unity gain, the measured in-band signal-to-noise ratio is
an impressive 82dB. At higher gains, the input referred
noise decreases, allowing the part to process smaller
input differential signals without signicantly degrading
the signal-to-noise ratio.
Gain and phase are well matched between the two chan-
nels. Gain for each channel is independently programmed
using two external resistors. The LT6604-5 enables level
shifting by providing an adjustable output common mode
voltage, making it ideal for directly interfacing to ADCs.
The LT6604-5 is fully specied for 3V operation. The dif-
ferential design enables outstanding performance at a
2VP-P signal level for a single 3V supply.
See the back page of this datasheet for a complete list of
related single and dual differential ampliers with integrated
2.5MHz to 20MHz lowpass lters.
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
n Dual Differential Amplier with 5MHz Lowpass Filters
4th Order Filters
Approximates Chebyshev Response
Guaranteed Phase and Gain Matching
Resistor-Programmable Differential Gain
n >82dB Signal-to-Noise (3V Supply, 2VP-P Output)
n Low Distortion (1MHz, 2VP-P Output, 800Ω Load)
HD2: 93dBc
HD3: 96dBc
n Specied for Operation with 3V, 5V and ±5V Supplies
n Fully Differential Inputs and Outputs
n Adjustable Output Common Mode Voltage
n Small 4mm
× 7mm × 0.75mm QFN Package
n Dual Differential ADC Driver and Filter
n Single-Ended to Differential Converter
n Matched, Dual, Differential Gain or Filter Stage
n Common Mode Translation of Differential Signals
n High Speed ADC Antialiasing and DAC Smoothing in
Wireless Infrastructure or Networking Applications
n High Speed Test and Measurement Equipment
n Medical Imaging
Channel to Channel Gain Matching
GAIN MATCH (dB)
NUMBER
OF
UNITS
25
20
15
10
5
66045 TA01b
0
50 TYPICAL UNITS
TA = 25°C
GAIN = 1
fIN = 5MHz
–0.20
0.10
–0.10
0.20
0
806Ω
3V
+
–
+
–
66045 TA01
+
–
DOUT
AIN
LT6604-5
LTC22xx
–
+
806Ω
3V
–OUTA
+OUTA
–OUTB
+OUTB
+INA
+INB
VMIDA
VMIDB
VOCMA
VOCMB
–INA
–INB
V–
+
–
+
–
+
–
DOUT
AIN
–
+
50Ω
DUAL ADC
V+A
V+B
V+B
50Ω
18pF
0.01μF
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