LTC6420CUDC-20-PBF LINER [Linear Technology], LTC6420CUDC-20-PBF Datasheet - Page 11

• Manufacturer Part Number: LTC6420CUDC-20-PBF
• Description: Dual Matched 1.8GHz Differential Amplifi ers/ADC Drivers
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIONS
PACKAGE DESCRIPTION
AGILENT
E5071C
PORT 1
PORT 2
1/2
(50Ω)
(50Ω)
3.50 ± 0.05
2.10 ± 0.05
0.1μF
200Ω
0.1μF
(Only the Signal-Path Connections Are Shown)
1.50 REF
+INA
–INA
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
Test Circuit B, 4-Port Measurements
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
100Ω
100Ω
R
R
(B CHANNEL NOT SHOWN)
G
G
1.65 ± 0.05
0.50 BSC
0.25 ±0.05
3.10 ± 0.05
4.50 ± 0.05
2.50 REF
+
+
–
–
2.65 ± 0.05
1000Ω
1000Ω
R
R
+
–
+
–
F
F
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
12.5Ω
12.5Ω
R
R
OUT
OUT
0.70 ±0.05
+OUTA
–OUTA
PACKAGE
OUTLINE
(Reference LTC DWG # 05-08-1742 Rev Ø)
37.4Ω
37.4Ω
20-Lead Plastic QFN (3mm × 4mm)
4.00 ± 0.10
0.1μF
0.1μF
NOTE:
1. DRAWING IS NOT A JEDEC PACKAGE OUTLINE
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
PORT 3
(50Ω)
PORT 4
(50Ω)
TOP MARK
(NOTE 6)
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
ON THE TOP AND BOTTOM OF PACKAGE
1/2 AGILENT
UDC Package
PIN 1
E5071C
642020 TA02
3.00 ± 0.10
+
–
0.1μF
V
IN
Parallel ADC Drivers to Reduce Wideband Noise
C1
0.75 ± 0.05
LTC6420-20
LTC6420-20
3.3V
1/2
1/2
V
OCM
0.200 REF
0.00 – 0.05
R = 0.05 TYP
2.50 REF
49.9Ω
49.9Ω
49.9Ω
49.9Ω
R5
R6
R7
R8
R = 0.115
TYP
BOTTOM VIEW—EXPOSED PAD
–3dB FILTER BANDWIDTH = 120MHz
C6
2.2μF
2.65 ± 0.10
1.65 ± 0.10
LTC6420-20
C2
12pF
C5
12pF
C3
12pF
1.50 REF
10Ω
10Ω
19
R3
R4
20
0.50 BSC
0.25 ± 0.05
1
2
0.40 ± 0.10
(UDC20) QFN 1106 REV Ø
PIN 1 NOTCH
R = 0.20 OR 0.25
× 45° CHAMFER
3.3V
LTC2208
642020 TA03
11
C4
0.1μF
642020fa
V
CM