参数资料
| 型号： | ISL1539AIRZ-T13 |
| 厂商： | Intersil |
| 文件页数： | 1/23页 |
| 文件大小： | 0K |
| 描述： | IC VDSL2 LINE DVR AMP 24QFN |
| 标准包装： | 2,500 |
| 类型： | 驱动器 |
| 驱动器/接收器数： | 4/4 |
| 规程： | VDSL2 |
| 电源电压： | ±5 V ~ 15 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN（5x4） |
| 包装： | 带卷 (TR) |
1
ISL1539A
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. 2009. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.
Dual Port VDSL2 Line Driver
ISL1539A
The ISL1539A provides 4 internal wideband op amps
intended to be used as two pairs of differential line
drivers. The ISL1539A’s high bandwidth, 240MHz, and
ultra low distortion, -89dBc @ 1MHz, 2VP-P, support the
demanding MTPR requirements of emerging VDSL2 line
driver designs. Less demanding requirements can be met
at very low quiescent powers using the supply current
adjustment features.
Each of the 4 internal op amps is a wideband current
feedback amplifier offering very high slew rate intrinsic to
that design using low quiescent current levels. Each of
the two pair of amplifiers (ports) can also be power
optimized to the application using two external quiescent
control logic pins. Full power is nominally 27.2mA/port
with options of medium power cutback to 23mA/port, a
low power condition at 13.5mA/port, and an off state at
<0.5mA/port. Added quiescent power flexibility is
provided through an external IADJ pin. Grounding the pin
gives the nominal currents listed above while inserting a
resistor from this pin to ground can be used to scale each
of the settings downward.
High power push/pull line driver applications as
illustrated in the example below are best supported using
a low headroom, high output current device. On ±12V
supplies, the ISL1539A offers a 1.1V headroom with
>360mA peak output current. Driving differentially this
gives >41.8VP-P swing to as low as 58Ω differential load.
High SFDR operation is also supported for supplies as low
as ±7.5V. Intended to be used as differential pairs, this
two port device includes special circuitry to minimize
common mode loop peaking while also reducing the
common mode output noise spectrum. That circuitry
links the two sides of each port, precluding their
application as individual amplifiers.
Features
360mA Output Drive Capability
41.8VP-P Differential Output Drive into 100Ω
-89dBc THD @ 1MHz 2VP-P
-65dBc MTPR (VDSL 8b Profile)
High Slew Rate of 3000V/s Differential
Bandwidth (240MHz @ AV-DIFF = 10)
Supply Current Control Pins
Port Separation
- 78dB @ 500kHz
-70dB @ 1MHz
-60dB @ 4MHz
Pb-Free (RoHS Compliant)
8MHz and 17MHz VDSL2 Profiles
ADSL2+
Related Literature (see Device Info page)
TABLE 1. ALTERNATE SOLUTIONS
PART #
NOMINAL ±VCC
(V)
BANDWIDTH
(MHz)
APPLICATIONS
ISL1557
±6
200
VDSL
ISL1534
±12
40
ADSL2+
ISL1536
±12
50
ADSL2+
Typical Application
4MHz Harmonic Distortion
Ro
Rb
Rf
+12V
+
-
SOURCE
Rb
Rf
+
-
Rg
-12V
3.2k
711
ISL1539A
ISL1539A
Ro
LOAD
1:n
TYPICAL DIFFERENTIAL I/O LINE DRIVER
(1 OF 2 PORTS)
VO
VI
AV-DIFF = VO/VI = 10V/V
Ω
VS = ±12V
AV = +10
RF = 3.2kΩ
RL = 100Ω DIFF
3rd HD
2nd HD
THD
September 23, 2009
FN6916.0
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| ISL1539IRZ | 功能描述:缓冲器和线路驱动器 ISL1539IRZ DL CH DIF FRNTL DSL LINE DRVR RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| ISL1539IRZ-T13 | 功能描述:缓冲器和线路驱动器 ISL1539IRZ DL CH DIF FRNTL DSL LINE DRVR RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| ISL1539IRZ-T7 | 功能描述:缓冲器和线路驱动器 ISL1539IRZ DL CH DIF FRNTL DSL LINE DRVR RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| ISL1539IVEZ | 功能描述:缓冲器和线路驱动器 ISL1539IVEZ DL CH DIF DSL LINE DRIVE RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| ISL1539IVEZ-T13 | 功能描述:缓冲器和线路驱动器 ISL1539IVEZ DL CH DIF DSL LINE DRIVE RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
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