that4320 THAT Corporation, that4320 Datasheet - Page 6

• Manufacturer Part Number: that4320
• Description: Pre-trimmed Low-voltage Low-power Analog Engine Dynamics Processor Ic
• Manufacturer: THAT Corporation

Page 6
Figure 5. VCA THD vs. Level at -12dB Gain (BW=22KHz)
Figure 3. VCA THD vs. Level at 0 dB gain (BW=22KHz)
VCA AC IN
OA2 OUT
V
DUT V
REF
OUT
CC
K1A
CL2
3k01
22n
MY
V
150p
R1
4
PTAT
C13
470n
C19
5
MY
8
8
K2A
5
8
5
20k0
R44
C16
K12A
DUT V
22p
C20
78n
My
THAT Corporation; 45 Sumner Street; Milford, Massachusetts 01757-1656; USA
C1
22n
MY
1k00
R12
10k0
R2
11
Tel: [phone]; Fax: [phone]; Web: www.thatcorp.com
CC
R57
6k82
9
1
23
22p CM
V
V
Gnd
9k09
C22
R17
PTAT
REF
4
4320
In
Ec+
DUTE
4
5
DUTA
4320
VCA
K13A
OA2
Gnd
V
8
Filt
CC
+
-
V
21
2
3
5
REF
15
13
14
K14A
10k0
R4
DUT V
22p CM
+
-
OA3
15k0
20k0
R47
R46
C10
NP0
8
(C
C8
22u
REPRESENTATIVE DATA
FILT
20
CC
)
Copyright © 2007, THAT Corporation
10k0
5
OA1 AC/DC IN
5
8
K15A
R3
Figure 2. 4320 Test Circuit Schematic
100n
C4
CM
10u
C7
K11A
8
CL6
150p
K16A
100k
R7
8
RL6
20k0
4
5
OA3 OUT
1k00
R14
K17A
R56
976
OA4 AC/DC IN
8
15k0
R50
K3A
5
4
5
4
5
8
K5A
K18A
AC/DC IN
8
V
8
OA2
PTAT
4
5
9k09
R19
1k00
R13
V
8
100k
K4A
R9
REF
1k00
R11
Figure 4. VCA THD vs. Level at +12 dB gain (BW=22KHz)
OUT
OP-07B
5
5
4
K7A
6
K6A
K9A
5k 0.1%
8
U1A
5
R22
8
10n MY
Figure 6. VCA THD vs. Frequency (BW=80KHz)
C12
22p
CM
NP0
5
8
8
C17
1
THAT4320 Pre-trimmed Low-voltage Low-power
2
3
R16
9k09
V
27
26
100k
5k 0.1%
R8
8
RMS OUT
REF
100k
OA1 V
K8A
R6
DUTB
4320
R25
+
OA1
-
1k00
R10
22p CM NP0
3k32
R43
OUT
28
5
EE
9k09
C11
R18
K10A
Analog Engine® Dynamics Processor IC
25
C15
22p
CM
NP0
100n
CM
C5
5
8
C14
150p
CM
NP0
8
DUTC
4320
18
17
Out
100k
R5
RMS
22p CM
+
OA4
-
CT
9k09
NP0
R15
DUT-2D
4320
C9
7
C18
1 u
(C
In
150p
CL1
NP0
TIME
16
CM
6
5k 0.1%
)
R24
CL4
150p
NP0
CM
10k0
RL1
C27
22u
RL4
10k0
OA1 OUTPUT
OA4 OUTPUT
RMS AC IN