THAT4301A Datasheet, PDF (3/12 Pages) List of Unclassifed Manufacturers – THAT Analog Engine® IC Dynamics Processor

THAT 4301 Dynamics Processor IC
SPECIFICATIONS^1,2 (Cont’d.)
Page 3
VCA Electrical Characteristics³ (Cont’d.)
Parameter
Symbol
Total Harmonic Distortion (cont’d.) THD
Symmetry Control Voltage
V_SYM
Conditions
4301
Min Typ Max
V_IN = +10 dBV, 1 kHz
0 dB gain
— 0.03 0.07
–15 dB gain
— 0.035 0.09
V_OUT= +10 dBV, 1 kHz
+15 dB gain
— 0.035 0.09
V_IN = +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
I_{B (RMS)}
No Signal
Input Offset Voltage
V_{OFF(RMS In)}
No Signal
Input Signal Current
I_IN(RMS)
Input Current for 0 V Output
I_in0
I_T= 7.5mA
Output Scale Factor
E_O / 20log(I_in/I_in0) 31.6nA< I_IN< 1mA
T_A= 25°C (T_CHIP »55°C)
Scale Factor Match (RMS to VCA)
-20 dB < VCA Gain < +20 dB
Output Linearity
1mA<I_{in (DET)}<100mA
f_IN= 1kHz
Rectifier Balance
Crest Factor
1mA < I_in< 100mA
100nA < I_in< 316mA
31.6nA < I_in< 1mA
f_IN = 100 Hz, t = .001 s
1mA< I_in < 100mA
1ms pulse repetition rate
0.2 dB error
0.5 dB error
1.0 dB error
Maximum Frequency for 2 dB Additional Error
I_in ³ 10mA
I_in ³ 3mA
Timing Current Set Range
Voltage at I_T Pin
Timing Current Accuracy
I_T
I_CT/I_T
I_in ³ 300nA
I_T = 7.5mA
I_T = 7.5mA
Filtering Time Constant
t
T_CHIP = 55°C
Min
—
—
—
6
6.4
.985
—
—
—
–20
—
—
—
—
—
—
1.5
-10
0.90
Output Temp. Coefficient
Output Current
DE_o / DT_CHIP
Re: T_CHIP = 27°C
—
I_OUT
–300mV < V_OUT< +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: [phone]; Fax: [phone]; Web: www.thatcorp.com