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參數(shù)資料
| 型號(hào)： | THAT2181C |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Trimmable IC Voltage Controlled Amplifiers |
| 中文描述： | 微調(diào)IC電壓控制放大器 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 252K |
| 代理商： | THAT2181C |
THAT Corporation; 45 Sumner Street; Milford, Massachusetts 01757-1656; USA
Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com
Document 600030 Rev 01
BIAS CURRENT
COMPENSATION
Vbe
MULTI-
PLIER
Output
Sym
Iset
V-
Vcc
Ec+
Ec-
Iadj
Input
Gnd
7
2
3
8
4
5
1
6
2k
25
Figure 1. 2181 Series Equivalent Circuit Diagram
Pin Name
SIP Pin
SO Pin
Input
1
1
Ec+
2
2
Ec–
3
3
Sym
4
4
V–
5
5
Gnd
6
6
V+
7
7
Output
8
8
Table 1. 2181 Series Pin Assignments
FEATURES
Wide Dynamic Range: >120 dB
Wide Gain Range: >130 dB
Exponential (dB) Gain Control
Low Distortion:
~0.0025% (typical 2181A)
~0.005% (typical 2181C)
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
Description
THAT 2181 Series integrated-circuit voltage con-
trolled amplifiers (VCAs) are very high-performance
current-in/current-out
devices
ing-polarity, voltage-sensitive control ports. They offer
wide-range exponential control of gain and attenuation
with low signal distortion. The parts are selected after
packaging based primarily on after-trim THD and con-
trol-voltage feedthrough performance.
with
two
oppos-
The VCA design takes advantage of a fully comple-
mentary
dielectric
isolation
closely matched NPN/PNP pairs. This delivers perfor-
mance unobtainable through any conventional pro-
cess, integrated or discrete. The parts are available in
three grades, allowing the user to optimize cost vs.
performance. Both 8-pin single-in-line (SIP) and sur-
face mount (SO) packages are available.
process
which
offers
Max Trimmed THD
@1 V, 1 kHz, 0 dB
Plastic
SIP
Plastic
SO
0.005%
2181LA 2181SA
0.008%
2181LB 2181SB
0.02%
2181LC 2181SC
Table 2. Ordering Information
T H AT
Corporation
THAT
2181A, 2181B, 2181C
Trimmable IC
Voltage Controlled Amplifiers
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