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THAT2180B Datasheet Preview

THAT2180B Datasheet

Pre-Trimmed IC Voltage-Controlled Amplifiers

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THAT Corporation
FEATURES
Wide Dynamic Range: >120 dB
Wide Gain Range: >130 dB
Exponential (dB) Gain Control
Low Distortion: <0.01% (2180A)
No External Trim Required
Wide Gain-Bandwidth: 20 MHz
Dual Gain-Control Ports (pos/neg)
Pin-Compatible with 2150-Series
Pre-Trimmed IC
Voltage-Controlled Amplifiers
THAT 2180A, 2180B, 2180C
APPLICATIONS
Faders
Panners
Compressors
Expanders
Equalizers
Filters
Oscillators
Automation Systems
Description
THAT 2180 Series integrated-circuit voltage-con-
trolled amplifiers (VCAs) are very high-performance
current-in/current-out devices with two opposing-
polarity, voltage-sensitive control ports. They offer
wide-range exponential control of gain and attenu-
ation with low signal distortion. The parts are
trimmed at wafer stage for low THD and control-
voltage feedthrough without further adjustment.
The VCA design takes advantage of a fully com-
plementary dielectric isolation process which offers
closely matched NPN/PNP pairs, to deliver discrete
performance at IC prices. The parts are available in
three grades, selected for factory-trimmed distor-
tion, allowing the user to optimize cost vs. perfor-
mance. Both 8-pin single-in-line (SIP) and surface
mount (SO) packages are available.
BIAS CURRENT
COMPENSATION
Input
1
Gnd
6
7
Vcc
Vbe
MULTI-
PLIER
2
Ec+
Ec-
3
Output
8
SYM
4
Iadj
V-
5
Iset
Figure 1. 2180 Series Equivalent Circuit Diagram
Pin Name
Input
Ec+
Ec–
Sym
V–
Gnd
V+
Output
SIP Pin
1
2
3
4
5
6
7
8
SO Pin
1
2
3
4
5
6
7
8
Table 1. 2180 Series Pin Assignments
Max THD @1 V,
1 kHz, 0 dB
0.01%
0.02%
0.05%
Plastic
SIP
2180LA
2180LB
2180LC
Plastic
SO
N/A
2180SB
2180SC
Table 2. Ordering Information
THAT Corporation; 45 Sumner Street; Milford, Massachusetts, 01757-1656; USA
Tel: +1 (508) 478-9200; Fax: +1 (508) 478-0990; Web: www.thatcorp.com
Free Datasheet http://www.Datasheet4U.com




THAT

THAT2180B Datasheet Preview

THAT2180B Datasheet

Pre-Trimmed IC Voltage-Controlled Amplifiers

No Preview Available !

Page 2
SPECIFICATIONS1
2180 Series IC VCAs
Absolute-Maximum Ratings (TA = 25˚C)
Positive Supply Voltage (VCC)
+20 V
Power Dissipation (PD) (TA = 75˚C)
330 mW
Negative Supply Voltage (VEE)
–20 V
Operating Temperature Range (TOP) 0 to +70˚C
Supply Current (ICC)
10 mA
Storage Temperature Range (TST) –40 to +125˚C
Recommended Operating Conditions
Parameter
Symbol
Positive Supply Voltage
Negative Supply Voltage
Bias Current
Signal Current
VCC
VEE
ISET
IIN+IOUT
Conditions
VCC-VEE= 30 V
ISET= 2.4 mA
2180A
Min Typ Max
+4 +15 +18
–4 –15 –18
1 2.4 5
— 0.35 1.5
2180B
Min Typ Max
+4 +15 +18
–4 –15 –18
1 2.4 5
— 0.35 1.5
2180C
Min Typ Max Units
+4 +15 +18
V
–4 –15 –18
V
1 2.4 5
mA
— 0.35 1.5 mArms
Parameter
Supply Current
Symbol
ICC
Electrical Characteristics2
Conditions
2180A3
Min Typ Max
2180B
Min Typ Max
No Signal
— 2.4 4
— 2.4 4
2180C
Min Typ Max
— 2.4 4
Units
mA
Equiv. Input Bias Current IB
No Signal
— 2 10
— 2 12
— 2 15
nA
Input Offset Voltage
VOFF(IN)
No Signal
±5 —
±5 —
±5 —
mV
Output Offset Voltage V
OFF(OUT)
R =20
out
k
0 dB gain
+15 dB gain
+30 dB gain
— 0.5 1
—1 3
— 3 12
—1 2
— 1.5 4
— 5 15
— 1.5 3
— 3 10
— 9 30
mV
mV
mV
Gain Cell Idling Current IIDLE
— 20 —
— 20 —
— 20 —
µA
Gain-Control Constant
T =25˚C
A
(TCHIP
35˚C)
–60 dB < gain < +40 dB
EC+/Gain (dB) Pin 2 (Fig. 14)
EC-/Gain (dB)
Pin 3
6.0 6.1 6.2
–6.2 –6.1 –6.0
6.0 6.1 6.2
–6.2 –6.1 –6.0
6.0 6.1 6.2 mV/dB
–6.2 –6.1 –6.0 mV/dB
Gain-Control TempCo EC / TCHIP Ref TCHIP= 27˚C
— +0.33 —
— +0.33 —
— +0.33 — %/˚C
Gain-Control Linearity
–60 to +40 dB gain
— 0.5 2
— 0.5 2
— 0.5 2
%
1 kHz Off Isolation
EC+=–360mV, EC-=+360mV 110 115 —
110 115
110 115 —
dB
Output Noise
e
n(OUT)
20 Hz ~ 20 kHz
R=
out
20k
0 dB gain
+15 dB gain
— –98 –97
— –88 –86
— –98 –96
— –88 –85
— –98 –95
— –88 –84
dBV
dBV
Voltage at V–
VV–
No Signal
–3.1 –2.85 –2.6 -–3.1 –2.85 –2.5 –3.1 –2.85 –2.6 V
1. All specifications subject to change without notice.
2. Unless otherwise noted, TA=25˚C, VCC = +15V, VEE= -15V. Test circuit is as shown in Figure 2.
3. A-grade parts are not available in the surface-mount package.
THAT Corporation; 45 Sumner Street; Milford, Massachusetts, 01757-1656; USA
Tel: +1 (508) 478-9200; Fax: +1 (508) 478-0990; Web: www.thatcorp.com
Free Datasheet http://www.Datasheet4U.com


Part Number THAT2180B
Description Pre-Trimmed IC Voltage-Controlled Amplifiers
Maker THAT
Total Page 10 Pages
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