THAT4311 Datasheet, PDF (3/12 Pages) List of Unclassifed Manufacturers – Low-voltage, Low-power Analog Engine Dynamics Processor

Rev. 08/30/01
Preliminary Information
Page 3
Parameter
Op amp OA1
Offset Voltage
Equivalent Input Noise
Electrical Characteristics (con’t)
Symbol
Conditions
Min
Typ
Max
V_IO
VnOA1
RL = 2kW
A-weighted
—
±0.5
±6
6.5
10
Total Harmonic Distortion
Open Loop Gain
Gain Bandwidth Product
Slew Rate
Op amp OA2
Offset Voltage
Equivalent Input Noise
THD_OA1
AVO-OA1
GBW_OA1
SR_OA1
VIO
VnOA1
1kHz, A_V=1; R_L = 10kW
RL = 10kW
at 50kHz
— 0.0007 0.003
--
115
--
—
5
—
—
2
—
RL = 2kW
A-weighted
—
±0.5
±6
7.5
12
Total Harmonic Distortion
Open Loop Gain
Gain Bandwidth Product
Slew Rate
THD_OA1
A_VO-OA1
GBW_OA1
SR_OA1
1kHz, A_V=1; R_L = 10kW
R_L = 10kW
at 50kHz
— 0.0007 0.003
--
110
--
—
5
—
—
2
—
Units
mV
nV
Hz
%
mV
nV
Hz
%
Input
XLR1
XLR-F
21
3
5423 1
R1
100k
External
Control
Input
3
2
1
CN1
R2
10k0
R21
10k0
+20dB +40dB +60dB
R24
R23
R22
R14
V+
Sym
R7
R8
50k cw _{300k 5%}
R9
V-
51R
5%
VREF
C5
47p NPO
R6
2k80 280R 30R1 31k6
+C15
1000u
11 6
SW1F
12 5
SW1E
V+
R27
C17
R19 ^10k0
47p
C16 _100k
19
20 OA1 ¹⁸
R25
+
47u
R18
100R
U1D
5%
+ THAT4311
C18
10k0
47u
C4
47u
R3
10k0
C12
3u3
R20
10k0
C9
3u3
15 14 20k0
R5 17 EC+ SYM
U1A
20k0
IN _EC- OUT _{13 OA3}
VCA ¹⁶
12
R10
100R 5%
R4
VREF ^THAT4311
1k33
2
6
3
18
R29
CONTROL-VOLTAGE
U1
OP-27
1k33 _VREF
C19
+ ^1000u
SW1C
16
0dB
1
R15
31k6
Bypass V+
Capacitors
R17
31k6
C8 47p
+40dB
R16
280R
SW1B
6 2 15
3
OA2 ⁷
U1C
VREF ^THAT4311
SW1A
R28
100R 5%
TP1
RMS Input
C6
R11
U1B
1 _{IN OUT} 4
R26
+
47u
23k2
2 RMS 5 100R
Iset TC
5%
TP2
RMS Output
THAT4311 _+C7
R12
261k
10u
RMS Output
3
2
V-
VREF
1
CN1
Power
Input
3
2
1
CN2
D3
1N4004
+C10
22u
C11
100n
(U1)
D4
+ _C13
1N4004 22u
C14
100n
(U1)
V-
V+
C1 +
10u
U1E
11 _{VCC VREF} 9
VREF 8
10 ^VEE
CAP
THAT4311 ₊
C2
10u
VREF
+
C3
22u
Output
XLR2
XLR-M
12
3
1 3245
Fig 2. THAT 4311 test circuit
THAT Corporation; 45 Sumner Street; Milford, Massachusetts 01757-1656; USA
Tel: [phone]; Fax: [phone]; Web: www.thatcorp.com