CLC522AJE 반도체 회로 부품 판매점
Wideband Variable-Gain Amplifier
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 National Semiconductor |
N
CLC522
Wideband Variable-Gain Amplifier
June 1999
General Description
The CLC522 variable gain amplifier (VGA) is a dc-coupled, two-
quadrant multiplier with differential voltage inputs and a single-ended
voltage output. Two input buffers and an output operational amplifer
are integrated with the multiplier core to make the CLC522 a complete
VGA system that does not require external buffering.
The CLC522 provides the flexibility of externally setting the maximum
gain with only two external resistors. Greater than 40dB gain control
is easily achieved through a single high impedance voltage input. The
CLC522 provides a linear (in Volts per Volt) relationship between the
amplifier's gain and the gain-control input voltage.
The CLC522's maximum gain may be set anywhere over a nominal
range of 2V/V to 100V/V. The gain control input then provides
attenuation from the maximum setting. For example, set for a
maximum gain of 100V/V, the CLC522 will provide a 100V/V to 1V/V
gain control range by sweeping the gain control input voltage from +1
to -0.98V.
Set at a maximum gain of 10V/V, the CLC522 provides a 165MHz
signal channel bandwidth and a 165MHz gain control bandwidth. Gain
nonlinearity over a 40dB gain range is 0.5% and gain accuracy at
AVmax = 10V/V is typically ±0.3%.
Features
s 330MHz signal bandwidth: Avmax = 2
s 165MHz gain-control bandwidth
s 0.3° to 60MHz linear phase deviation
s 0.04% (-68dB) signal-channel non-linearity
s >40dB gain-adjustment range
s Differential or single-end voltage inputs
s Single-ended voltage output
Applications
s Variable attenuators
s Pulse amplitude equalizers
s HF modulators
s Automatic gain control & leveling loops
s Video production switching
s Differential line receivers
s Voltage controlled filters
Gain vs. Gain Control Voltage (Vg)
10
0
-1.1
Gain Control Voltage, Vg (Volts)
1.1
Typical Application
2nd Order Tuneable Bandpass Filter
Pinout
DIP & SOIC
© 1999 National Semiconductor Corporation
Printed in the U.S.A.
1
s
Vo
Vin
=
−
1
n
s2
+s
CRb
1+
CRb
k
C 2R y 2
k = 1.85 Rf , Q =
Rg
k Rb
Ry
,
ωo
=
k
CRy
http://www.national.com
CLC522 Electrical Characteristics (VCC = ±5V; AVmax = +10; Rf =1kΩ; Rg =182W; RL = 100Ω; Vg=+1.1V)
PARAMETERS
Ambient Temperature
CONDITIONS
AJ
FREQUENCY DOMAIN RESPONSE
-3dB bandwidth
gain control bandwidth
gain flatness
peaking
Vout < 0.5Vpp
Vout < 5.0Vpp
Vout < 0.5Vpp
Vout < 0.5Vpp
DC to 30MHz
rolloff
DC to 30MHz
linear phase deviation
DC to 60MHz
feedthrough
30MHz
TIME DOMAIN RESPONSE
rise and fall time
settling time
overshoot
slew rate
0.5V step
5.0V step
2.0V step to 0.1%
0.5V step
4.0V step
DISTORTION AND NOISE RESPONSE
2nd harmonic distortion
3rd harmonic distortion
equivalent input noise
2Vpp, 20MHz
2Vpp, 20MHz
1 to 200MHz
noise floor
1 to 200MHz
GAIN ACCURACY
signal channel nonlinearity (SGNL) Vout = ±2Vpp
gain control nonlinearity (GCNL) full range
gain error (GACCU)
Vg high
low
AVmax=+10
STATIC DC PERFORMANCE
Vin voltage range
bias current
average drift
offset current
average drift
resistance
capacitance
Vg bias current
average drift
resistance
capacitance
common mode
output voltage range
current
offset voltage
average drift
resistance
IRgmax
power supply sensitivity
common-mode rejection ratio
supply current
RL= ∞
AVmax=+10
output referred
input referred
RL= ∞
TYP
+25
MIN/MAX RATINGS
UNITS NOTES
+25 0 to +70 -40 to +85 °C
1
165
150
165
0
0.05
0.3
- 62
120
100
120
0.1
0.25
1.0
- 57
115
95
115
0.1
0.25
1.1
- 57
110 MHz
90 MHz
110 MHz
0.1 dB
0.4 dB
1.2 °
-57 dB
3
4
2.2
3.0
12
2
2000
2.9
5.0
18
15
1400
3.0
5.0
18
15
1400
3.2
5.0
18
15
1400
ns
ns
ns
%
V/µs
- 50
- 65
5.8
- 152
0.04
0.5
± 0.0
+ 990
- 975
- 44
- 58
6.2
- 150
- 44
- 56
6.5
- 149
-44
-54
6.8
- 149
dBc
dBc
nV/√Hz
dBm1Hz
0.1
2.0
± 0.5
+ 990±60
- 975±80
0.1
2.2
± 0.5
+ 990±60
- 975±80
0.1
3.0
± 1.0
+ 990±60
- 975±80
%
%
dB
mV
mV
2
2
2
± 2.2
9
65
0.2
5
1500
1.0
15
125
100
1.0
± 4.0
± 70
25
100
0.1
1.8
10
70
46
± 1.2
21
---
2.0
---
650
2.0
38
---
38
2.0
± 3.7
± 47
85
---
0.2
1.37
40
59
61
± 1.2
26
175
3.0
30
450
2.0
47
300
30
2.0
± 3.6
± 40
95
350
0.3
1.26
40
59
62
± 1.4
45
275
4.0
40
175
2.0
82
600
15
2.0
± 3.5
± 25
120
400
0.6
1.15
40
59
63
V
µA
nA/°C
µA
nA/°C
kΩ
pF
µA
nA/°C
kΩ
pF
V
mA
mV
µV/°C
Ω
mA
mV/V
dB
mA
2
2
2
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
Ordering Information
supply voltage
short circuit current
common-mode input voltage
maximum junction temperature
storage temperature
lead temperature (soldering 10 sec)
±7V
80mA
±Vcc
+150°C
-65°C to+150°C
+300°C
Model
CLC522AJP
CLC522AJE
CLC522ALC
CLC522AMC
Temperature Range
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
Description
14-pin PDIP
14-pin SOIC
dice
dice, MIL-STD-883
transistor count
74
Notes
1) AJE (SOIC) is tested/guaranteed with Rf=866Ω and Rg= 165Ω.
2) J-level, spec is 100% tested at +25°C.
3) Specified with Vin = 0.2V and Vg < 0.5Vpp.
4) Feedtrough is specified at max. attenuation (i.e Vg =-1.1V)
http://www.national.com
Package Thermal Resistance
Package
Plastic (AJP)
Surface Mount (AJE)
CerDIP
2
θJC
55°C/W
35°C/W
40°C/W
θJA
100°C/W
105°C/W
95°C/W
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CLC522AJE amplifier
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관련 데이터시트
CLC522AJE
Wideband Variable-Gain Amplifier - National Semiconductor
CLC522AJP
Wideband Variable-Gain Amplifier - National Semiconductor