that2181a THAT Corporation, that2181a Datasheet - Page 3

• Manufacturer Part Number: that2181a
• Description: Trimmable Ic Voltage Controlled Amplifiers
• Manufacturer: THAT Corporation

600030 Rev 01
Parameter
Total Harmonic Distortion
Gain at 0 V Control Voltage
Slew Rate
Symmetry Control Voltage V
IN
Figure 3. 2181 Series Frequency Response Vs. Gain
Power Supplies
Vcc = +15 V
Vee = -15 V
10u
THAT Corporation; 45 Sumner Street; Milford, Massachusetts 01757-1656; USA
Symbol
Tel: [phone]; Fax: [phone]; Web: www.thatcorp.com
THD
SYM
Electrical Characteristics (Cont'd.)
V
Series
V
A
V
IN
2181
20k
IN
V
VCA
V
IN
= +10 dBV, -15 dB gain
IN
= 0 dB, Minimum THD
= -5 dBV, +15 dB gain
= +10 dBV, 0 dB gain
R
= 0 dBV, 0 dB gain
in
= R
E
Conditions
C-
1 kHz
Figure 2. Typical Application Circuit
out
= 0 mV
5.1k
= 20 kW
1
Vcc
Vee
7
-IN
V+
V-
GND
5
6
Ec-
Ec-
Ec+
3
Min
-0.5
-0.1
— 0.0025 0.005
— 0.018 0.025
— 0.018 0.025
— 0.004 0.008
—
SYM
2
2181A
4
Typ
0.0
12
—
8
OUT
Figure 4. 2181 Series Noise (20kHz NBW) Vs. Gain
Max
130k (2181C)
+0.5
+0.1
680k (2181A)
220k (2181B)
—
Rsym
-0.15 0.0
Min
-1.5
— 0.004 0.008
— 0.025 0.035
— 0.025 0.035
— 0.006 0.010
—
2181B
Typ
12
—
+
-
OP275
+0.15
Max
+1.5
22p
—
20k
Min
-2.5
-0.2
— 0.005 0.02
— 0.035 0.07
— 0.035 0.07
— .0015
—
50k SYM
2181C
Typ
0.0
12
—
Vee
Vcc
Max Units
+2.5
+0.2
ADJ
—
—
OUT
V/ms
mV
dB
%
%
%
%
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