4301PA View Datasheet(PDF) - THAT Corporation
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4301PA Datasheet PDF : 12 Pages
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THAT 4301 Dynamics Processor IC
SPECIFICATIONS1,2 (Cont’d.)
Page 3
VCA Electrical Characteristics3 (Cont’d.)
Parameter
Symbol
Total Harmonic Distortion (cont’d.) THD
Symmetry Control Voltage
VSYM
Conditions
4301
Min Typ Max
VIN = +10 dBV, 1 kHz
0 dB gain
— 0.03 0.07
–15 dB gain
— 0.035 0.09
VOUT= +10 dBV, 1 kHz
+15 dB gain
— 0.035 0.09
VIN = +19.5 dBV, 1 kHz
0 dB gain
———
minimum THD
-2.5 0 +2.5
4301A
Min Typ Max
— 0.03 0.07
— 0.035 0.09
— 0.035 0.09
— 0.05 0.09
-2.5 0 +2.5
Units
%
%
%
%
mV
RMS Detector Electrical Characteristics4
Parameter
Symbol
Conditions
Input Bias Current
IB (RMS)
No Signal
Input Offset Voltage
VOFF(RMS In)
No Signal
Input Signal Current
IIN(RMS)
Input Current for 0 V Output
Iin0
IT= 7.5mA
Output Scale Factor
EO / 20log(Iin/Iin0) 31.6nA< IIN< 1mA
TA= 25°C (TCHIP »55°C)
Scale Factor Match (RMS to VCA)
-20 dB < VCA Gain < +20 dB
Output Linearity
1mA<Iin (DET)<100mA
fIN= 1kHz
Rectifier Balance
Crest Factor
1mA < Iin< 100mA
100nA < Iin< 316mA
31.6nA < Iin< 1mA
fIN = 100 Hz, t = .001 s
1mA< Iin < 100mA
1ms pulse repetition rate
0.2 dB error
0.5 dB error
1.0 dB error
Maximum Frequency for 2 dB Additional Error
Iin ³ 10mA
Iin ³ 3mA
Timing Current Set Range
Voltage at IT Pin
Timing Current Accuracy
IT
ICT/IT
Iin ³ 300nA
IT = 7.5mA
IT = 7.5mA
Filtering Time Constant
t
TCHIP = 55°C
Min
—
—
—
6
6.4
.985
—
—
—
–20
—
—
—
—
—
—
1.5
-10
0.90
Output Temp. Coefficient
Output Current
DEo / DTCHIP
Re: TCHIP = 27°C
—
IOUT
–300mV < VOUT< +300mV ±90
Typ
30
±4
175
8.5
6.5
1
0.1
0.5
1.5
—
3.5
5
10
100
45
7
7.5
+20
1.1
(0.026)CT IT
0.33
±100
Max
400
±15
750
12
6.6
1.015
—
—
—
20
—
—
—
—
—
—
15
+50
1.30
—
—
Units
pA
mV
mA
mA
mV/dB
dB
dB
dB
%
kHz
kHz
kHz
mA
mV
s
%/°C
mA
4. Except as noted, test circuit is the RMS-Detector section only from Figure 2.
THAT Corporation; 45 Sumner Street; Milford, Massachusetts 01757-1656; USA
Tel: +1 (508) 478-9200; Fax: +1 (508) 478-0990; Web: www.thatcorp.com
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