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THAT2181 Datasheet, PDF (2/10 Pages) List of Unclassifed Manufacturers – Trimmable IC Voltage Controlled Amplifiers
Page 2
THAT2181 Series IC VCAs
SPECIFICATIONS1
Absolute-Maximum Ratings (TA = 25°C)
Positive Supply Voltage (VCC)
Negative Supply Voltage (VEE)
Supply Current (ICC)
Max DE
EC+ - (EC-)
+20 V
-20 V
10 mA
±1V
Power Dissipation (PD) (TA = 75°C)
Operating Temperature Range (TOP)
Storage Temperature Range (TST)
330 mW
0 to +70°C
-40 to +125°C
Recommended Operating Conditions
Parameter
Symbol
Positive Supply Voltage VCC
Negative Supply Voltage VEE
Bias Current
ISET
Signal Current
IIN +IOUT
Conditions
VCC - VEE = 30 V
ISET = 2.4mA
2181A
Min Typ Max
+4 +15 +18
-4 -15 -18
1 2.4 3.5
— 0.35 2.5
2181B
Min Typ Max
+4 +15 +18
-4 -15 -18
1 2.4 3.5
— 0.35 2.5
2181C
Min Typ Max Units
+4 +15 +18 V
-4 -15 -18 V
1 2.4 3.5 mA
— 0.35 2.5 mA
Electrical Characteristics²
Parameter
Supply Current
Symbol
ICC
Equiv. Input Bias Current IB
Conditions
No Signal
No Signal
2181A
Min Typ Max
— 2.4 4
2181B
Min Typ Max
— 2.4 4
2181C
Min Typ Max Units
— 2.4 4 mA
— 2 10 — 2 12 — 2 15 nA
Input Offset Voltage VOFF(IN)
Output Offset Voltage VOFF(OUT)
No Signal
Rout = 20 kW
0 dB gain
+15 dB gain
+30 dB gain
— ±5 —
— ±5 —
— ±5 — mV
— 0.5 1
—1 3
— 3 12
—1 2
— 1.5 4
— 5 15
— 1.5 3
mV
— 3 10 mV
— 9 30 mV
Gain Cell Idling Current IIDLE
— 20 —
Gain-Control Constant
TA =25°C (TCHIP@35°C)
-60 dB < gain < +40 dB
EC+ /Gain (dB)
EC- /Gain (dB)
Pin 2 (Fig. 15)
Pin 3
6.0 6.1 6.2
-6.2 -6.1 -6.0
— 20 —
6.0 6.1 6.2
-6.2 -6.1 -6.0
— 20 — mA
6.0 6.1 6.2 mV/dB
-6.2 -6.1 -6.0 mV/dB
Gain-Control TempCo DEC / DTCHIP Ref TCHIP = 27°C
Gain-Control Linearity
-60 to +40 dB gain
— +0.33 —
— 0.5 2
— +0.33 —
— 0.5 2
— +0.33 —
— 0.5 2
%/°C
%
1 kHz Off Isolation
Output Noise
EC+= -360 mV, EC-= +360 mV
en(OUT)
20 Hz ~ 20 kHz
Rout = 20kW
0 dB gain
+15 dB gain
110 115 —
— -98 -97
— -88 -86
110 115
— -98 -96
— -88 -85
110 115 —
— -98 -95
— -88 -84
dB
dBV
dBV
Voltage at V-
VV-
No Signal
-3.1 -2.85 -2.6 -3.1 -2.85 -2.6 -3.2 -2.85 -2.6 V
1. All specifications subject to change without notice.
2. Unless otherwise noted, TA=25°C, VC = +15V, VEE= –15V. Test circuit is as shown in Figure 2. SYM ADJ is ad-
justed for minimum THD at 1 V, 1 kHz, Ec– = –Ec+ = 0 V
THAT Corporation; 45 Sumner Street; Milford, Massachusetts 01757-1656; USA
Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com