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2180 Series Basic
Application Circuit
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THAT 2180-series
pre-trimmed Blackmer voltage controlled amplifiers
(VCAs) ICs are high-performance current-in/current-out
devices with two opposing-polarity, voltage-sensitive
control ports. They offer wide-range exponential control
of gain and attenuation with low signal distortion. The
parts are trimmed during wafer processing to minimize THD
and control-voltage feedthrough. After packaging, the
parts are tested and graded based on the degree to which
the trim survived packaging. No further adjustment is
required to achieve the guaranteed distortion and
feedthrough performance.
THAT Blackmer
VCAs are the successors to the original dbx line of
VCAs. To overcome the problems related to limited GBW product, the 218X
series of VCAs, was developed by Gary Hebert in a dielectrically
isolated process, and has topological enhancements that minimize the
effect of non-linearities in the VCA drive circuitry on high frequency
distortion. These VCAs are equal or superior to their predecessors in
every regard, and in particular, do not exhibit the rising distortion at
higher frequencies characteristic of VCAs built on a junction isolated
process.
The 2180 series of voltage
controlled amplifiers delivers performance unobtainable
through any conventional process, integrated or discrete.
The parts are available in three grades, allowing the
user to optimize cost vs. performance. The 2180 VCA comes in a 8-pin
single-in-line (SIP) package.
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Features
· Wide
dynamic range: > 120 dB
· Wide
gain range: > 130 dB
· Exponential
(dB) gain control
· Low
distortion: < 0.01 % (2180A)
· Wide
gain-bandwidth: 20 MHz
· Dual
gain-control ports (pos/neg)
· Pin-compatible
with 2150-series
Applications
· Faders
· Panners
· Compressors
· Expanders
· Equalizers
· Filters
· Oscillators
· Automation
systems
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Basic
Specifications
(typical)
Control Constant:
±6.1 mV/dB
(both positive and negative-sense
control available)
Gain Range: <-100
dB to >+40 dB
Output Noise: -98 dBV
(0 dB gain)
Dynamic Range: 120 dB
Power supply voltage:
±15 V.
Supply current: 2.4
mA
THD (see
chart below)
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For complete specifications, download a
copy of the 2180 Datasheet.
Datasheets are
provided in Adobe's PDF format. You need to have Adobe
Acrobat Reader installed on your computer to view the file. To
obtain a free copy of Acrobat Reader follow the link at right.
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Model
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Grade
|
% THD at
1 V
0 dB gain |
Package |
Order
Number |
Pricing
(1000) |
Min
Order
Quantity |
Reference |
| 2180 |
A |
0.005 Typ |
0.01 Max |
8
Pin SIP |
No
longer available
Use RoHS compliant version |
Datasheet
App Notes
Device Models
RoHS Info |
| B |
0.01 Typ |
0.02 Max |
No
longer available
Use RoHS compliant version |
| C |
0.03 Typ |
0.05 Max |
2180CL08 |
$2.24 |
25 |
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2180
RoHS
Compliant
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A
|
0.005 Typ |
0.01 Max |
8
Pin SIP |
2180AL08-U |
$4.32 |
25 |
| B |
0.01 Typ |
0.02 Max |
2180BL08-U |
$2.77 |
25 |
| C |
0.03 Typ |
0.05 Max |
2180CL08-U |
$2.32 |
25 |
Minimum Order Quantity is one tube full. Parts must be ordered
in
multiples of the MOQ.
Samples are available for qualified applicants.
Pricing is subject to change.
For samples
or further pricing information, please contact us
directly by telephone: +1(508)634-9922, fax:+1(508)634-6698, or email: sales@thatcorp.com.
We offer a demonstration system (US$100)
which simplifies evaluating the performance of a 2180 Series VCA IC. The
2180 Demo Board is a completely assembled and tested circuit board with
XLR connectors for signal input and output and a 3-pin header for
connection to an external regulated DC power supply (not included).
Contact us for more information.
Harsh Environment Packaging - TT Semiconductor repackages THAT Corporation’s IC products in ruggidized plastic for the medical, aerospace, defense, and heavy industrial marketplaces.
For more information please visit their web site: www.ttsemiconductor.com, contact them via phone: 714-257-2257 or email: BHarris@ttsemiconductor.com.
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