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PDF LM6182AIM Data sheet ( Hoja de datos )
| Número de pieza | LM6182AIM | |
| Descripción | Dual 100 mA Output/ 100 MHz Current Feedback Amplifier | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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April 1994
LM6182
Dual 100 mA Output, 100 MHz Current Feedback
Amplifier
General Description
The LM6182 dual current feedback amplifier offers an unpar-
alleled combination of bandwidth, slew-rate, and output cur-
rent. Each amplifier can directly drive a 2V signal into a 50Ω
or 75Ω back-terminated coax cable system over the full in-
dustrial temperature range. This represents a radical en-
hancement in output drive capability for a dual 8-pin
high-speed amplifier making it ideal for video applications.
Built on National’s advanced high-speed VIP II™ (Vertically
Integrated PNP) process, the LM6182 employs
current-feedback providing bandwidth that does not vary
dramatically with gain; 100 MHz at Av = −1, 60 MHz at Av =
−10. With a slew rate of 2000 V/µsec, 2nd harmonic distor-
tion of −50 dBc at 10 MHz and settling time of 50 ns (0.1%),
the two independent amplifiers of the LM6182 offer perfor-
mance that is ideal for data acquisition, high-speed ATE, and
precision pulse amplifier applications.
See the LM6181 data sheet for a single amplifier with these
same features.
Features
(Typical unless otherwise noted)
n Slew Rate: 2000 V/µs
n Closed Loop Bandwidth: 100 MHz
n Settling Time (0.1%): 50 ns
n Low Differential Gain and Phase Error: 0.05%, 0.04˚
RL = 150Ω
n Low Offset Voltage: 2 mV
n High Output Drive: ±10V into 150Ω
n Characterized for Supply Ranges: ±5V and ±15V
n Improved Performance over OP260 and LT1229
Applications
n Coax Cable Driver
n Professional Studio Video Equipment
n Flash ADC Buffer
n PC and Workstation Video Boards
n Facsimile and Imaging Systems
Typical Application
DS011926-1
VIP II™ is a trademark of National Semiconductor Corporation.
© 1999 National Semiconductor Corporation DS011926
DS011926-2
www.national.com
1 page  
±5V DC Electrical Characteristics
The following specifications apply for supply voltage = ±5V, Vcm = VO =
noted. Boldface limits apply at the temperature extremes; all other limits
T0JV,=R2f5=˚C8.20Ω,
and
RL
=
1
kΩ
unless
otherwise
Symbol
Parameter
Conditions
Typical LM6182AM LM6182AI LM6182I Units
(Note 5)
Limit
Limit
Limit
(Note 6) (Note 6) (Note 6)
VOS Input Offset Voltage
1.0 2.0 2.0 3.0 mV
3.0 2.5 3.5 max
TCVOS Input Offset Voltage Drift
IB Inverting Input Bias Current
2.5
5.0 10
22
µV/˚C
10
17.5
µA
22 27.0 max
Non-Inverting Input Bias Current
0.25
1.5
1.5 3.0
3.0 3.0 5.0
TCIB
Inverting Input Bias Current Drift
Non-Inverting Input Bias Current Drift
50
3.0
nA/˚C
IB
PSR
Inverting Input Bias Current
Power Supply Rejection
±4V ≤ VS ≤ ±6V
0.3 0.5 0.5 0.75 µA/V
1.0 1.0 1.5 max
Non-Inverting Input Bias Current
Power Supply Rejection
±4V ≤ VS ≤ ±6V
0.05
0.5
1.0
0.5 0.5
1.0 1.5
IB
CMR
Inverting Input Bias Current
Common Mode Rejection
−2.5V ≤ VCM ≤ +2.5V
0.3
0.5
0.5 1.0
1.0 1.0 1.5
Non-Inverting Input Bias Current
Common Mode Rejection
−2.5V ≤ VCM ≤ +2.5V
0.12
0.5
1.0
0.5 0.5
1.0 1.5
CMRR Common Mode Rejection Ratio
−2.5V ≤ VCM ≤ +2.5V
57
50
50 50 dB
47 47 47 min
PSRR Power Supply Rejection Ratio
±4V ≤ VS ≤ ±6V
80 70 70 64
67 67 60
RO Output Resistance
AV = −1
f = 300 kHz
0.25
Ω
RIN Non-Inverting Input Resistance
VO Output Voltage Swing
RL = 1 kΩ
8 MΩ
2.6
2.25
2.25
2.25 V
2.0 2.0 2.0 min
RL = 150Ω
2.2 2.0 2.0 2.0
1.8 1.8 1.8
ISC Output Short Circuit Current
100 65
35
65 65 mA
40 40 min
ZT Transimpedance
RL = 1 kΩ
1.4
0.75
0.75
0.6 MΩ
0.3 0.35 0.3 min
RL = 150Ω
1.0 0.5 0.5 0.4
0.2
0.25
0.2
IS Supply Current
No Load, VIN = 0V
13
17
17 17 mA
Both Amplifiers
18.5
18.5
18.5 max
VCM Input Common Mode Voltage Range
V+−1.7V
V−+1.7V
V
5 www.national.com
5 Page 
Typical Performance Characteristics VS = ±15V and TA = 25˚C unless otherwise
noted. (Continued)
Transimpedance vs
Frequency
RL = 150Ω
Settling Response
VS = ±15V, RL = 150Ω
AV = −1, VO = ±5V
Settling Response
VS = ±5V, RL = 150Ω
AV = −1, VO = ±2V
DS011926-61
Long Term Settling Time
Response VS = ±15V,
RL = 150Ω, AV = −1, VO = ±5V
DS011926-62
Suggested Rf and
Rs for CL, AV = −1
Suggested Rf and
Rs for CL, AV = +2
DS011926-63
DS011926-64
Output Impedance vs Frequency
AV = −1, RL = 820Ω
PSRR (VS+) vs
Frequency, AV = 2,
Rf = Rs = 820Ω
DS011926-65
DS011926-66
DS011926-67
DS011926-68
11 www.national.com
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet LM6182AIM.PDF ] | |
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