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PDF ISL55020 Data sheet ( Hoja de datos )
| Número de pieza | ISL55020 | |
| Descripción | Differential Amplifier | |
| Fabricantes | Intersil Corporation | |
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Data Sheet
December 18, 2006
ISL55020
FN6287.0
Wideband, Low Distortion, Differential
Amplifier
The ISL55020 is fully differential wideband amplifier
designed to drive differential ADCs. This device features a
high drive capability of 100mA, low operating quiescent
current of 21mA and operates with both single and dual
supplies over a range of 4.5V (±2.25V) to +12V (±6V). Key
features include high impedance, full differential inputs and
full differential or DC referenced complementary single-
ended outputs A wide bandwidth unity gain common mode
(VCM) amplifier input is included to provide DC offset
correction or common mode signal injection to the
differential output.
The ISL55020 is available in the thermally-enhanced 16 Ld
QFN package and is specified for operation over the full
-40°C to +85°C temperature range. The ISL55020 has an
EN pin to disable the outputs.
Ordering Information
PART NUMBER PART TAPE & PACKAGE PKG.
(Note)
MARKING REEL (Pb-Free) DWG. #
ISL55020IRZ
55020IRZ
- 16 Ld QFN MDP0046
ISL55020IRZ-T13 55020IRZ 13” 16 Ld QFN MDP0046
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100%
matte tin plate termination finish, which are RoHS compliant and
compatible with both SnPb and Pb-free soldering operations. Intersil
Pb-free products are MSL classified at Pb-free peak reflow
temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
Features
• Fully differential current feedback amplifier
• High impedance differential inputs
• Differential output drives up to 100mA from a +12V supply
• Separate unity-gain common mode input (VCM)
• 300MHz bandwidth
• 1200V/µs Slewrate
• -73.3dBc typical driver output distortion at 10VPP; 1MHz
• -64.6dBc typical driver output distortion at 10VPP; 4MHz
• Low quiescent supply current of 21mA
• Pb-free plus anneal available (RoHS compliant)
Applications
• High Linearity ADC preamplifier
• Differential driver
• Wireless communication receiver
• Differential active filter
Pinout
ISL55020
(16 LD QFN)
TOP VIEW
16 15
NC 1
FB+ 2
-
+
IN+ 3
+
-
GND 4
5
6
14 13
12 NC
11 FB-
+1
10 IN-
9 NC
78
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2006. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
All other trademarks mentioned are the property of their respective owners.
1 page  
ISL55020
Typical Performance Curves (Continued)
1
0 CL = 24.3pF
-1
-2
-3
-4
INPUT = VCM
AVCM = 1
-5 AVS = 2.5
-6
RIN = 200
RF = 750
-7 RG = 374
-8
RL = 100
VOUT = 100mVP-P
-9
100k
1M
CL = 14.4pF
CL = 9.1pF
CL = 2.3pF
10M
100M
FREQUENCY (Hz)
1G
FIGURE 7. VCM GAIN vs FREQUENCY vs CL
10
AVS = 2.5
0 RIN = 200
RF = 750
-10 RG = 374
RL = 100
-20 VPSRR = 1VP-P
VS = ±2.25V
-30
-40
-50
-60
100k
VS = ±3V
VS = ±6V
1M
10M
100M
FREQUENCY (Hz)
1G
FIGURE 8. PSRR+ vs FREQUENCY vs VS (DUAL SUPPLIES)
10
AVS = 2.5
0 RIN = 200
RF = 750
-10 RG = 374
-20
RL = 100
VPSRR = 1VP-P
-30
VS = ±2.25V
VPSRR = 500mVP-P
-40
-50 VS = ±2.25V
-60 VS = ±3V
-70
100k
1M
VS = ±6V
10M
100M
FREQUENCY (Hz)
FIGURE 9. PSRR- vs FREQUENCY vs VS
1G
20
AVS = 2.5
10 RIN = 200
RF = 750
0 RG = 374
RL = 100
-10 VPSRR = 1VP-P
VS = +4.5V
-20 VCM = 2.25V
-30
-40
-50
100k
1M
10M
100M
FREQUENCY (Hz)
1G
FIGURE 10. PSRR+ vs FREQUENCY vs VS (SINGLE SUPPLY)
-20
-30 AVS = 2.5
-40 RIN = 200
-50
RF = 1500
RG = 374
-60 RL = 100
-70 VIN = 1VP-P
-80
-90
-100
-110
-120
100k
1M
10M
100M
FREQUENCY (Hz)
1G
FIGURE 11. INPUT OFF ISOLATION GAIN vs FREQUENCY
SINGLE-ENDED
0
-10 AVS = 2.5
-20 AVCM = 1
-30 RIN = 200
-40
RF = 1500
RG = 374
-50 RL = 100
-60 VIN = 1VP-P
-70
-80
-90
-100
-110
100k
1M
10M
100M
FREQUENCY (Hz)
1G
FIGURE 12. VCM OFF ISOLATION vs FREQUENCY - SINGLE-
ENDED
5 FN6287.0
December 18, 2006
5 Page 
ISL55020
QFN (Quad Flat No-Lead) Package Family
A
D
B
1
2 PIN #1
3 I.D. MARK
E
2X
0.075 C
TOP VIEW
2X
0.075 C
b
L
0.10 M C A B
PIN #1 I.D.
3
1
2
3
(E2)
NE 5
(D2)
BOTTOM VIEW
7
e
C
SEATING
PLANE
0.10 C
0.08 C
SEE DETAIL "X"
N LEADS
& EXPOSED PAD
SIDE VIEW
A
C
(c)
2
A1
DETAIL X
(L)
N LEADS
MDP0046
QFN (QUAD FLAT NO-LEAD) PACKAGE FAMILY
(COMPLIANT TO JEDEC MO-220)
SYMBOL QFN44 QFN38 QFN32
TOLERANCE
A 0.90 0.90 0.90 0.90
±0.10
A1 0.02 0.02 0.02 0.02
+0.03/-0.02
b 0.25 0.25 0.23 0.22
±0.02
c 0.20 0.20 0.20 0.20
Reference
D 7.00 5.00 8.00 5.00
Basic
D2 5.10 3.80 5.80 3.60/2.48 Reference
E 7.00 7.00 8.00 6.00
Basic
E2 5.10 5.80 5.80 4.60/3.40 Reference
e 0.50 0.50 0.80 0.50
Basic
L 0.55 0.40 0.53 0.50
±0.05
N 44 38 32 32
Reference
ND 11 7 8 7
Reference
NE 11 12 8 9
Reference
NOTES
-
-
-
-
-
8
-
8
-
-
4
6
5
SYMBOL QFN28 QFN24 QFN20
TOLER-
QFN16 ANCE NOTES
A
0.90 0.90 0.90 0.90
0.90
±0.10
-
A1 0.02 0.02 0.02 0.02 0.02 +0.03/
-0.02
-
b
0.25 0.25 0.30 0.25
0.33
±0.02
-
c
0.20 0.20 0.20 0.20
0.20 Reference -
D
4.00 4.00 5.00 4.00
4.00
Basic
-
D2 2.65 2.80 3.70 2.70 2.40 Reference -
E
5.00 5.00 5.00 4.00
4.00
Basic
-
E2 3.65 3.80 3.70 2.70 2.40 Reference -
e
0.50 0.50 0.65 0.50
0.65
Basic
-
L
0.40 0.40 0.40 0.40
0.60
±0.05
-
N 28 24 20 20 16 Reference 4
ND 6 5 5 5
4 Reference 6
NE 8 7 5 5
4 Reference 5
NOTES:
Rev 10 12/04
1. Dimensioning and tolerancing per ASME Y14.5M-1994.
2. Tiebar view shown is a non-functional feature.
3. Bottom-side pin #1 I.D. is a diepad chamfer as shown.
4. N is the total number of terminals on the device.
5. NE is the number of terminals on the “E” side of the package
(or Y-direction).
6. ND is the number of terminals on the “D” side of the package
(or X-direction). ND = (N/2)-NE.
7. Inward end of terminal may be square or circular in shape with radius
(b/2) as shown.
8. If two values are listed, multiple exposed pad options are available.
Refer to device-specific datasheet.
11 FN6287.0
December 18, 2006
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet ISL55020.PDF ] | |
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