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參數資料
| 型號： | LT1886CS8#PBF |
| 廠商： | Linear Technology |
| 文件頁數： | 1/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP DUAL 200MA 700MHZ 8SOIC |
| 標準包裝： | 100 |
| 放大器類型： | 通用 |
| 電路數： | 2 |
| 轉換速率： | 200 V/µs |
| 增益帶寬積： | 700MHz |
| 電流 - 輸入偏壓： | 1.5µA |
| 電壓 - 輸入偏移： | 1000µV |
| 電流 - 電源： | 7mA |
| 電流 - 輸出 / 通道： | 800mA |
| 電壓 - 電源，單路/雙路(±)： | 4 V ~ 13 V，±2 V ~ 6.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SO |
| 包裝： | 管件 |
1
LT1886
Dual 700MHz, 200mA
Operational Amplifier
s
700MHz Gain Bandwidth
s
±200mA Minimum IOUT
s
Low Distortion: –72dBc at 1MHz, 4VP-P, 25, AV = 2
s
Stable in AV ≥ 10, Simple Compensation for AV < 10
s
±4.3V Minimum Output Swing, VS = ±6V, RL = 25
s
7mA Supply Current per Amplifier
s
200V/
s Slew Rate
s
Stable with 1000pF Load
s
6nV/
√Hz Input Noise Voltage
s
2pA/
√Hz Input Noise Current
s
4mV Maximum Input Offset Voltage
s
4
A Maximum Input Bias Current
s
400nA Maximum Input Offset Current
s
±4.5V Minimum Input CMR, VS = ±6V
s
Specified at
±6V, ±2.5V
The LT
1886 is a 200mA minimum output current dual op
amp with outstanding distortion performance. The ampli-
fiers are gain-of-ten stable, but can be easily compensated
for lower gains. The LT1886 features balanced, high
impedance inputs with 4
A maximum input bias current,
and 4mV maximum input offset voltage. Single supply
applications are easy to implement and have lower total
noise than current feedback amplifier implementations.
The output drives a 25
load to ±4.3V with ±6V supplies.
On
±2.5V supplies the output swings ±1.5V with a 100
load. The amplifier is stable with a 1000pF capacitive
load which makes it useful in buffer and cable driver
applications.
The LT1886 is manufactured on Linear Technology’s
advanced low voltage complementary bipolar process and
is available in a thermally enhanced SO-8 package.
s
DSL Modems
s
xDSL PCI Cards
s
USB Modems
s
Line Drivers
Single 12V Supply ADSL Modem Line Driver
, LTC and LT are registered trademarks of Linear Technology Corporation.
–
+
1/2 LT1886
12.4
1:2*
12V
909
100
100
20k
10k
IN –
IN +
10k
20k
1
F
1
F
0.1
F
0.1
F
–
+
1/2 LT1886
12.4
1886 TA01
909
100
*COILCRAFT X8390-A
OR EQUIVALENT
APPLICATIO S
U
FEATURES
TYPICAL APPLICATIO
U
DESCRIPTIO
U
ADSL Modem Line Driver Distortion
LINE VOLTAGE (VP-P)
0
HARMONIC
DISTORTION
(dBc)
–60
–70
–80
–90
–100
1886 TA01a
2
4
6
8
10
12
14
16
VS = 12V
AV = 10
f = 200kHz
100
LINE
1:2 TRANSFORMER
HD2
HD3
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