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Спецификация CLC5665IN изготовлена «National Semiconductor» и имеет функцию, называемую «Low Distortion Amplifier with Disable». |
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Детали детали
Номер произв | CLC5665IN |
Описание | Low Distortion Amplifier with Disable |
Производители | National Semiconductor |
логотип |
8 Pages
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N
CLC5665
Low Distortion Amplifier with Disable
June 1999
General Description
The CLC5665 is a low-cost, wideband amplifier that provides very
low 2nd and 3rd harmonic distortion at 1MHz (-89/-92dBc). The
great slew rate of 1800V/µs, bandwidth of 90MHz (Av = +1) and
fast disable make it an excellent choice for many high speed
multiplexing applications. Like all current feedback op amps, the
CLC5665 allows the frequency response to be optimized
(or adjusted) by the selection of the feedback resistor. For
demanding video applications, the 0.1dB bandwidth to 20MHz
and differential gain/phase of 0.05%/0.05° make the CLC5665
the preferred component for broadcast quality NTSC and PAL
video systems.
The large voltage swing (28Vpp), continuous output current
(85mA) and slew rate (1800V/µs) provide high-fidelity signal
conditioning for applications such as CCDs, transmission lines
and low impedance circuits.
xDSL, video distribution, multimedia and general purpose
applications will benefit from the CLC5665’s wide bandwidth and
disable feature. Power is reduced and the output becomes a high
impedance when disabled. The wide gain range of the CLC5665
makes this general purpose op amp an improved solution for
circuits such as active filters, single-to-differential-ended drivers,
DAC transimpedance amplifiers and MOSFET drivers.
Features
s 0.1dB gain flatness to 20MHz (Av = +2)
s 90MHz bandwidth (Av = +1)
s Large signal BW 25MHz
s 1800V/µs slew rate
s 0.05%/0.05° differential gain/phase
s ±5V, ±15V or single supplies
s 200ns disable to high-impedance output
s Wide gain range
s -89/-92dBc HD2/HD3 (RL = 500Ω)
s Low cost
Applications
s xDSL driver
s Twisted pair driver
s Cable driver
s Video distribution
s CCD clock driver
s Multimedia systems
s DAC output buffers
s Imaging systems
Non-Inverting Frequency Response
Gain
Av = 1
Rf = 698
Phase
Av = 50
Av = 10
Rf = 100 Av = 2
Rf = 604
Av = 1
Av = 50
Rf = 500
Av = 2
Av = 10
0
-45
-90
-135
-180
1 10 100
Frequency (MHz)
+
Vin (Vpp)
-
DIS
+
CLC5665
-
Rf1
Rg 604Ω
1.2kΩ
Rf2
604Ω
-
CLC5665
+
Typical Application
Differential Line Driver for xDSL
Ro
Vo = 2Vin
1:n
nVo
RL
Ro
Note: Supply and Bypassing not shown.
DIS
© 1999 National Semiconductor Corporation
Printed in the U.S.A.
Pinout
DIP & SOIC
NC 1
Vinv 2
Vnon-inv 3
-Vcc 4
-
+
8 DIS
7 +Vcc
6 Vout
5 NC
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CLC5665 Electrical Characteristics (VCC = ±15V, Av = +2V/V; Rf = 604Ω, RL = 100Ω; unless specified)
PARAMETERS
Ambient Temperature
CONDITIONS
CLC5665
Vcc TYP
MIN/MAX RATINGS
UNITS NOTES
+25°C +25°C 0 to 70°C -40 to 85°C
FREQUENCY DOMAIN RESPONSE
small-signal bandwidth (Av = +1) Vout < 1.0Vpp
small-signal bandwidth
Vout < 1.0Vpp
Vout < 1.0Vpp
0.1dB bandwidth
Vout < 1.0Vpp
Vout < 1.0Vpp
large-signal bandwidth
Vout = 10Vpp
gain flatness
Vout < 1.0Vpp
peaking
DC to 10MHz
rolloff
DC to 20MHz
linear phase deviation
DC to 20MHz
differential gain
differential phase
4.43MHz, RL = 150Ω
4.43MHz, RL = 150Ω
4.43MHz, RL = 150Ω
4.43MHz, RL = 150Ω
±15
±15
±5
±15
±5
±15
±5
±15
±5
90
70
50
20
15
25
0.03
0.1
0.7
0.05
0.05
0.05
0.1
TIME DOMAIN RESPONSE
rise and fall time
settling time to 0.05%
overshoot
slew rate
2V step
10V step
2V step
2V step
20V step
5
10
35
5
1800
DISTORTION AND NOISE RESPONSE
2nd harmonic distortion
3rd harmonic distortion
input voltage noise
1Vpp,1MHz, RL = 500Ω
1Vpp,1MHz, RL = 500Ω
>1MHz
non-inverting input current noise >1MHz
inverting input current noise >1MHz
-89
-92
3.0
3.2
15
DC PERFORMANCE
input offset voltage
average drift
input bias current
average drift
input bias current
average drift
power-supply rejection ratio
common-mode rejection ratio
supply current
disabled
SWITCHING PERFORMANCE
turn on time
turn off time
off isolation
high input voltage
low input voltage
non-inverting
inverting
DC
DC
RL = ∞
RL = ∞
(Note 2)
10MHz
VIH
VIL
±15
±15, ±5
±15, ±5
±15, ±5
±15, ±5
1.0
25
3
10
3
10
60
60
11, 8.5
1.5
400
200
59
±15 11.8
±5 1.8
±15 10.8
±5 0.8
MISCELLANEOUS PERFORMANCE
non-inverting input resistance
non-inverting input capacitance
input voltage range
common mode
common mode
output voltage range
output current
RL = ∞
RL = ∞
8.0
0.5
±15 ±12.5
±5 ±2.5
±15 ±14
±5 ±4.0
±85
7.5
–
20
–
20
–
55
55
12
2.5
500
800
56
12.5
2.5
10.5
0.6
3.0
1.0
±12.3
±2.3
±13.7
±3.9
±60
9.0
20
20
50
50
14
2.5
550
800
56
12.7
2.7
10.0
0.1
2.5
1.0
±12.1
±2.2
±13.7
±3.8
±50
MHz
MHz
MHz
MHz
MHz
MHz
dB
dB
deg
%
%
deg
deg
ns
ns
ns
%
V/µs
dBc
dBc
nV/√Hz
pA/√Hz
pA/√Hz
10.0 mV A
µV/°C
20 µA A
nA/°C
20 µA A
nA/°C
50 dB
50 dB
15 mA A
2.5 mA A
550 ns
800 ns
56 dB
V
V
V
V
1.7
1.0
±11.8
±1.9
±13.6
±3.7
±45
MΩ
pF
V
V
V
V
mA
Min/max ratings are based on product characterization and simulation. Individual parameters are tested as noted. Outgoing quality levels are
determined from tested parameters.
Absolute Maximum Ratings
Notes
supply voltage
short circuit current
common-mode input voltage
maximum junction temperature
storage temperature range
lead temperature (soldering 10 sec)
±16V
(see note 1)
±VCC
+150°C
-65°C to +150°C
+300°C
A) J-level: spec is 100% tested at +25°C.
1) Output is short circuit protected to ground, however
maximum reliability is obtained if output current does not
exceed 125mA.
2) To >50dB attenuation @ 10MHz.
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CLC5665 Typical Performance (VCC = ±15V, Av = +2V/V; Rf = 604Ω, RL = 100Ω; unless specified)
Non-Inverting Frequency Response
Gain
Av = 1
Rf = 698
Phase
Av = 50
Av = 10
Rf = 100 Av = 2
Rf = 604
Av = 1
Av = 50
Rf = 500
Av = 2
Av = 10
0
-45
-90
-135
-180
Inverting Frequency Response
Gain
Av = -1
Rf = 500
Phase
Av = -10
Rf = 500
Av = -2
Rf = 500
Av = -50
Av = -50
Rf = 2.5k
Av = -10
Av = -2
Av = -1
0
-45
-90
-135
-180
Frequency Response vs. Load
Gain
RL = 1k
Phase
RL = 50
RL = 100
RL = 1k
RL = 50
RL = 100
0
-45
-90
-135
-180
1 10 100
Frequency (MHz)
Open-Loop Transimpedance Gain (Zs)
130
120 Gain
0
110 20
100 40
90 Phase
60
80 80
70 100
60 120
50 140
40 160
30
0.0001 0.001 0.01 0.1
1
10 100
Frequency (MHz)
Signal Pulse Response
Large Signal
Small Signal
Time (20ns/div)
Short Term Settling Time
0.2
2V output step
0.15
0.1
0.05
Short Term
0
-0.05
-0.1
-0.15
-0.2
Time (10ns/div)
-1dBm Compression to Load
26
24
22
20
18
16
14
12 Vin
Load
50Ω
10 50Ω
698Ω
8 698Ω
6
0 5 10 15 20 25 30 35 40 45 50
Frequency (MHz)
1 10
Frequency (MHz)
Flatness Gain and Linear Phase
100
Gain
Phase
0 4 8 12 16
Frequency (MHz)
PSRR, CMRR and Closed Loop Ro
70
20
30
60
CMRR
50
PSRR
40
20
10
0
30 -10
20 20 log Ro -20
10 -30
0
0.01
0.10 1
10
Frequency (MHz)
-40
100
IBI, IBN. VOS vs. Temperature
7.0
6.0
5.0
4.0
3.0
2.0
1.0 IBI
0
VOS
IBN
-1.0
-2.0
-3.0
-60
-20 20
60 100
Temperature (°C)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
140
Harmonic Distortion vs. Frequency
0
-10
RL = 100Ω
Vout = 2Vpp
-20
-30
2nd
VCC = ±5V
-40 2nd
-50 VCC = ±15V
-60
3rd
VCC = ±15V
-70
-80
-90
-100
1
3rd
VCC = ±5V
10 100
Frequency (MHz)
1 10
Frequency (MHz)
Equivalent Input Noise
100
100
Inverting Current 14.8pA/√Hz
10
Non-Inverting Current 3.2pA/√Hz
Voltage 3.0nV/√Hz
1
0.1k 1k 10k 100k 1M 10M 100M
Frequency (MHz)
Differential Gain and Phase (3.58MHz)
1 0.30
0.08
Gain Negative Sync
0.24
0.06
Phase
0.18
Positive Sync
0.04 0.12
Phase Negative Sync
0.02
0
1
Gain Positive Sync
23
Number of 150Ω Loads
0.06
0.03
4
2-Tone, 3rd Order Intermodulation Intercept
60
50
40
30
50Ω
Pout
20 750Ω
50Ω
750Ω
10
106 107
Frequency (MHz)
Harmonic Distortion vs. Frequency
0
-10
RL = 500Ω
Vout = 2Vpp
-20
-30
2nd
VCC = ±5V
-40 2nd
-50 VCC = ±15V
-60
-70
-80
-90
-100
1
3rd
VCC = ±15V
3rd
VCC = ±5V
10 100
Frequency (MHz)
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