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ISL1550 の電気的特性と機能

ISL1550のメーカーはIntersilです、この部品の機能は「VDSL2 Differential Line Driver」です。


製品の詳細 ( Datasheet PDF )

部品番号 ISL1550
部品説明 VDSL2 Differential Line Driver
メーカ Intersil
ロゴ Intersil ロゴ 




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ISL1550 Datasheet, ISL1550 PDF,ピン配置, 機能
Single Port, VDSL2 Differential Line Driver
ISL1550
The ISL1550 is a dual operational amplifier intended to be
used as a differential line driver. ISL1550’s high bandwidth
and low distortion performance enables the support of VDSL2
8b, 17a and 30a modem applications.
This device features a high current drive capability of ±750mA
required to drive large voltage peaks into heavy loads. In
Central Office (CO) applications, the driver achieves a typical
Missing Band Power Ratio (MBPR) of -66dBc in VDSL2 8b
upstream (US) 1 band and MBPR’s of -61dBc and -60dBc in
VDSL2 17a US1 and US2 respectively.
The ISL1550 has two bias current control pins (C0, C1) to allow
for four power settings (disable, low, medium, high). The VDSL
modem DSP configures the line driver’s power setting based
on the desired mode of operation. The line driver operates on a
nominal single +12V or a dual ±6V supplies with bias current
in active mode between 15mA to 32mA, depending on its
power setting. The ISL1550’s gain setting is configurable at
the application level by setting the Rf and Rg resistor values.
The surge current handling of ISL1550 has been enhanced to
allow ITU-T K.20 and GR1089 compliance with minimal
external surge protection circuitry.
The ISL1550 is available in the thermally-enhanced, Pb-free
RoHS compliant 16 Ld QFN package and is specified for
operation over the full -40°C to +85°C temperature range.
Features
• 20dBm output power capability
• Drives up to ±750mA from a +12V supply
• 18VP-P differential output drive into 20Ω
• -89dBc typical driver output distortion at full output at
200kHz, 12VP-P differential
• -61dBc US1, -60dBc US2 avg. MBPR 17a
• Supply range: ±4.0V to ±6.6V, +8.0V to +13.2V
• Thermal shutdown
• K.20, GR-1089 Surge Robustness Validated
Applications
• VDSL2 Profiles: 8MHz, 17MHz, and 30MHz
Related Literature
AN1325 “Choosing and Using Bypass Capacitors”
PART #
ISL1557
ISL1539A
TABLE 1. ALTERNATE SOLUTIONS
NOMINAL ±VCC
(V)
BANDWIDTH
(MHz)
APPLICATIONS
±6,+12
200
VDSL2
±12,+24
240
VDSL2
100n
500
AFE
Rg
1.5k
2.2n
500
100n
+6V
SUPPLY
DECOUPLING
NOT SHOWN
+
½
ISL1550
-
Rf
750
1k
Rf
- 750
½
ISL1550
+
1k
2.2
1:2.5
100
NOMINAL
LINE
2.2
-6V
FIGURE 1. TYPICAL APPLICATION CIRCUIT
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
8.40M 8.90M 9.40M 9.90M 10.4M 10.9M 11.4M 11.9M
FREQUENCY (Hz)
FIGURE 2. US2 MBPR 17a VDSL2 PERFORMANCE
March 16, 2012
FN6795.0
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2012. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.

1 Page





ISL1550 pdf, ピン配列
ISL1550
Pin Descriptions
PIN NUMBER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PIN NAME
NC
INA-
INA+
GND
NC
NC
VS-
C0
C1
INB+
INB-
NC
OUTB
VS+
NC
OUTA
No Connect
Amplifier A Inverting Input
Amplifier A Non-Inverting Input
Ground
No Connect
No Connect
Negative Supply Voltage
Digital Control Pin
Digital Control Pin
Amplifier B Non-Inverting Input
Amplifier B Inverting Input
No Connect
Amplifier B Output
Positive Supply Voltage
No Connect
Amplifier A Output
FUNCTION
Ordering Information
PART
NUMBER
(Notes 2, 3)
PART
MARKING
TEMP RANGE
(°C)
PACKAGE
(Pb-free)
PKG.
DWG. #
ISL1550IRZ
155 0IRZ
-40 to +85
16 Ld QFN
L16.4x4H
ISL1550IRZ-T7 (Note 1)
155 0IRZ
-40 to +85
16 Ld QFN
L16.4x4H
ISL1550IRZ-T13 (Note 1)
155 0IRZ
-40 to +85
16 Ld QFN
L16.4x4H
ISL1550IRZ-EVALZ
Evaluation Board
NOTES:
1. Please refer to TB347 for details on reel specifications.
2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte
tin plate plus anneal (e3 termination finish, which is 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.
3. For Moisture Sensitivity Level (MSL), please see device information page for ISL1550. For more information on MSL please see tech brief TB363.
3 FN6795.0
March 16, 2012


3Pages


ISL1550 電子部品, 半導体
ISL1550
Typical Performance Curves VCC = ±6V, See Figure 1, TA = +25°C, C0 = C1 = 0V (Full power), Unless otherwise
noted. (Continued)
-40
-45 100Ω RLOAD
-50
-55
THD
-60
-65
-70
-75 2nd HD
-80
-85 3rd HD
-90
1
VOP-P-LOAD (V)
10
FIGURE 10. 10MHz HARMONIC DISTORTION vs OUTPUT VOLTAGE
-40
-45 100Ω RLOAD
-50
-55 THD
-60
-65
-70 2nd HD
-75 3rd HD
-80
-85
-90 1
VOP-P-LOAD (V)
10
FIGURE 11. 20MHz HARMONIC DISTORTION vs OUTPUT VOLTAGE
-20
-30
-40
PAR = 5.32/V
18dBm LINE POWER, RL = 25Ω,
AVG. MBPR = -66dBc
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
3.78M 3.98M 4.18M 4.38M 4.58M 4.78M
FREQUENCY (Hz)
FIGURE 12. MBPR 8b US1
4.98M
5.18M
-20
-30
-40
PAR = 6.3/V
14.5dBm LINE POWER, RL = 25Ω,
AVG. MBPR = -60dBc
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
8.48M 8.98M 9.48M 9.98M 10.5M
FREQUENCY (Hz)
11M
FIGURE 13. MBPR 17a US2
11.5M
100
LOW POWER
FULL POWER
MEDIUM POWER
Fig. 1 at transformer inputs
10
10k
100k
1M
FREQUENCY (Hz)
10M
FIGURE 14. DIFFERENTIAL OUTPUT NOISE
100M
6 FN6795.0
March 16, 2012

6 Page



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共有リンク

Link :


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