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EL1503A PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 EL1503A 기능
기능 High Power Differential Line Driver
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EL1503A 데이터시트, 핀배열, 회로
®
Data Sheet
March 26, 2007
EL1503A
FN7039.2
High Power Differential Line Driver
The EL1503A ADSL Line Driver contains two wideband
high-voltage drivers which are ideally suited for both ADSL
and HDSL2 applications. They can supply a 39.2VP-P signal
into a 22Ω load while exhibiting very low distortion. The
EL1503A also has a number of power saving features. The
IADJ pin can be used to set the maximum supply current and
the C0 and C1 pins can be used to digitally vary the supply
current to one of four modes. These modes include full
power, low power, terminate only and power down.
The EL1503A uses current-feedback type amplifiers, which
achieve a high slew rate while consuming moderate power.
They retain their frequency response over a wide range of
externally set gains. The EL1503A operates on ±5V to ±12V
supplies and consumes only 12.5mA per amplifier.
The device is supplied in a thermally-enhanced 20 Ld SOIC
(0.300”) and the small footprint (4x5mm) 24 Ld QFN
packages. Center pins on each side of the 20 Ld and 16 Ld
packages are used as ground connections and heat
spreaders. The QFN package has the potential for a low θJA
(<40°C/W) and dissipates heat by means of a thermal pad
that is soldered onto the PCB. All package options are
www.DataSheet4U.cosmpecified for operation over the full -40°C to +85°C
temperature range.
Pinouts
EL1503A
(24 LD QFN)
TOP VIEW
NC 1
NC 2
VS- 3
NC 4
NC 5
NC 6
GND 7
THERMAL
PAD
19 NC
18 NC
17 VS+
16 NC
15 NC
14 NC
13 GND
Features
• High power ADSL driver
• 39.2VP-P differential output drive into 22Ω
• 42.4VP-P differential output drive into 65Ω
• Driver 2nd/3rd harmonics of
-66dBc/-72dBc at 2VP-P into 100Ω differential
• Supply current of 12.5mA per amplifier
• Supply current control
• Power saving modes
• Standard surface-mount packages
• Ultra-small QFN package
• Pb-free plus anneal available (RoHS compliant)
Applications
• ADSL line drivers
• HDSL2 line drivers
• Video distribution amplifiers
EL1503A
[20 LD SOIC (0.300”)]
TOP VIEW
VIN-A 1
20 VIN-B
VOUTA 2
19 VOUTB
VS- 3
GND* 4
A
18 VS+
B
17 GND*
GND* 5
16 GND*
GND* 6
15 GND*
GND* 7
14 GND*
VIN+A 8
13 VIN+B
C1 9
C0 10
POWER
CONTROL
LOGIC
12 IADJ
11 NC
*GND pins are heat spreaders
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. 2002, 2003, 2005, 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.




EL1503A pdf, 반도체, 판매, 대치품
EL1503A
Electrical Specifications VS = ±12V, RF = 1.5kΩ, RL= 65Ω, IADJ = C0 = C1 = 0V, TA = +25°C. Amplifiers tested separately. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN TYP MAX UNIT
DYNAMIC PERFORMANCE
BW
HD2
HD3
SR
-3dB Bandwidth
2nd Harmonic Distortion
3rd Harmonic Distortion
Slewrate
AV = +5
fC = 1MHz, RL = 100Ω, VOUT = 2VP-P
fC = 1MHz, RL = 25Ω, VOUT = 2VP-P
fC = 1MHz, RL = 100Ω, VOUT = 2VP-P
fC = 1MHz, RL = 25Ω, VOUT = 2VP-P
VOUT from -8V to +8V Measured at ±4V
700
80
-76
-72
-76
-72
1100
MHz
dBc
dBc
dBc
dBc
V/µs
Typical Performance Curves
25
VS=±12V
AV=10
RL=100Ω
20
15
100K
RF=1.5kΩ
RF=1.82kΩ
RF=1.3kΩ
RF=2.0kΩ
RF=2.43kΩ
RF=2.74kΩ
1M 10M
FREQUENCY (Hz)
100M
FIGURE 1. DRIVER DIFFERENTIAL FREQUENCY
RESPONSE vs RF (FULL POWER MODE)
25
VS=±5V
AV=10
RL=100Ω
RF=1.5kΩ RF=1.3kΩ
RF=1.82kΩ
20
RF=2.0kΩ
RF=2.4kΩ
RF=2.74kΩ
15
100K
1M 10M
FREQUENCY (Hz)
100M
FIGURE 2. DRIVER DIFFERENTIAL FREQUENCY
RESPONSE vs RF (FULL POWER MODE)
25
VS=±12V
RAVL==11000Ω
RF=1.5kΩ
RF=1.3kΩ
20
15
100K
RF=1.82kΩ
RF=2.0kΩ
RF=2.43kΩ
RF=2.74kΩ
1M 10M
FREQUENCY (Hz)
100M
FIGURE 3. DRIVER DIFFERENTIAL FREQUENCY
RESPONSE vs RF (2/3 POWER MODE)
25
VS=±5V
ARVL==11000Ω
RF=1.3kΩ
RF=1.5kΩ
RF=1.82kΩ
20
15
100K
RF=2.0kΩ
RF=2.4kΩ
RF=2.74kΩ
1M 10M
FREQUENCY (Hz)
100M
FIGURE 4. DRIVER DIFFERENTIAL FREQUENCY
RESPONSE vs RF (2/3 POWER MODE)
4 FN7039.2
March 26, 2007

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EL1503A 전자부품, 판매, 대치품
EL1503A
Typical Performance Curves (Continued)
100 VS=±12V
RAVL==11.5kΩ
10
TERMINATE
2/3 POWER
100
VS=±5V
ARVL==11.5kΩ
10
TERMINATE
2/3 POWER
11
FULL POWER
FULL POWER
0
10K 100K
1M
10M
100M
FREQUENCY (Hz)
FIGURE 17. OUTPUT IMPEDANCE vs FREQUENCY
-45
VS=±12V
AV=5
-55
RL=100Ω
fC=1MHz
-65 HD3
-75
HD2
-85
1 5 9 13 17 21
VOP-P (V)
FIGURE 19. DIFFERENTIAL HARMONIC DISTORTION vs
OUTPUT AMPLITUDE (FULL POWER)
-50
VS=±5V
-55 ARVL==5100Ω
-60 fC=1MHz
-65
HD3
-70
-75
-80 HD2
-85
1 5 9 13 17 21
VOP-P (V)
FIGURE 21. DIFFERENTIAL HARMONIC DISTORTION vs
OUTPUT AMPLITUDE (2/3 POWER)
0
10K 100K
1M
10M
100M
FREQUENCY (Hz)
FIGURE 18. OUTPUT IMPEDANCE vs FREQUENCY
-40
-45
VS=±5V
AV=5
-50 fRCL==11M0H0Ωz
-55
-60
-65
HD3
-70
-75
-80 HD2
-85
12345678
VOP-P (V)
FIGURE 20. DIFFERENTIAL HARMONIC DISTORTION vs
OUTPUT AMPLITUDE (FULL POWER)
-40
VS=±5V
-50
RAVL==5100Ω
fC=1MHz
-60
HD3
-70
HD2
-80
12345678
VOP-P (V)
FIGURE 22. DIFFERENTIAL HARMONIC DISTORTION vs
OUTPUT AMPLITUDE
7 FN7039.2
March 26, 2007

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