THAT Corporation; 45 Sumner Street; Milford, Massachusetts 01757-1656; USA
Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com
Page 2
THAT2180 Series IC VCAs
SPECIFICATIONS1
Absolute-Maximum Ratings (TA =25°C)
Positive Supply Voltage (VCC)
+20 V
Negative Supply Voltage (VEE)
-20 V
Supply Current (ICC)10 mA
Max DEC
EC+ -(EC-)
± 1V
Power Dissipation (PD)(TA =75°C)
330 mW
Operating Temperature Range (TOP)
0 to +70°C
Storage Temperature Range (TST)
-40 to +125°C
Recommended Operating Conditions
2180A
2180B
2180C
Parameter
Symbol
Conditions
Min Typ
Max
Min Typ
Max
Min Typ
Max Units
Positive Supply Voltage VCC
+4 +15 +18
+4 +15 +18
+4 +15 +18
V
Negative Supply Voltage VEE
-4
-15 -18
-4
-15 -18
-4
-15 -18
V
Bias Current
ISET
VCC -VEE = 30 V
1
2.4
5
1
2.4
5
1
2.4
5
mA
Signal Current
IIN +IOUT
ISET = 2.4mA
— 0.35 1.5
— 0.35 1.5
— 0.35 1.5
mArms
Electrical Characteristics²
2180A
2180B
2180C
Parameter
Symbol
Conditions
Min Typ
Max
Min Typ
Max
Min Typ
Max Units
Supply Current
ICC
No Signal
—
2.4
4
—
2.4
4
—
2.4
4
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 VOFF(OUT)
Rout =20kW
0 dB gain
—
0.5
1
—
1
2
—
1.5
3
mV
+15 dB gain
—
1
3
—
1.5
4
—
3
10
mV
+30 dB gain
—
3
12
—
5
15
—
9
30
mV
Gain Cell Idling Current IIDLE
—20—
—20—
—20—
mA
Gain-Control Constant
TA =25°C(TCHIP@35°C)
-60 dB < gain < +40 dB
EC+ /Gain (dB)
Pin 2 (Fig. 14)
6.0
6.1
6.2
6.0
6.1
6.2
6.0
6.1
6.2
mV/dB
EC- /Gain (dB)
Pin 3
-6.2 -6.1 -6.0
-6.2 -6.1 -6.0
-6.2 -6.1 -6.0 mV/dB
Gain-Control TempCo DEC / DTCHIP 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+= -360 mV, EC-= +360 mV 110 115
—
110 115
110 115
—
dB
Output Noise
en(OUT)
20 Hz~20kHz
Rout = 20kW
0 dB gain
—
-98 -97
—
-98 -96
—
-98 -95
dBV
+15 dB gain
—
-88 -86
—
-88 -85
—
-88 -84
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.
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