Rane MA 4 MA 4 Amplifier Data Sheet - Page 5

Data Sheet-5

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LOW VOLTAGE FLYBACK Vrelay +5d +3.3 +5a PEAK LIMITER DETECT RMS OUTPUT LEVEL PEAK LIMITER DETECT RMS OUTPUT LEVEL PEAK LIMITER DETECT RMS OUTPUT LEVEL PEAK LIMITER DETECT RMS OUTPUT LEVEL DAC FILTER ATT. DAC FILTER ATT. AMPLIFIER CURRENT SENSE CH1 CH2 CH3 CH4 TEMP SENSE A1/A2 A3/A4 SUPPLY SENSE (±25) COMP ON/OFF EXP ON/OFF 1 0 0 20 Hz 0 1 1 1 0 1 40 HZ 60 Hz 80 Hz MODE: STANDBY: 0.0V TO 0.8V MUTE: 2.2V TO 3.0V M1 M2 M3 ON:4.2V TO 5.5V M4 AMP CLOCK SUPPLY CLOCK SUPPLY CLOCK FILTER ATT. FILTER ATT. MA 4 MULTICHANNEL AMPLIFIER EXT + - +25 CH1 FILTER CLK + M1 - OUTPUT -25 + VR1 GND EXT + +25 CH2 FILTER CLK + M2 - OUTPUT -25 + VR2 GND EXT + +25 CH3 FILTER CLK + M3 - OUTPUT -25 + VR3 GND EXT + - +25 CH4 FILTER CLK + M4 - OUTPUT -25 + VR4 GND Data Sheet-5

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Data Sheet-5
MA 4
MULTICHANNEL AMPLIFIER
R
E
T
I
M
I
L
K
A
E
P
C
A
D
R
E
T
L
I
F
.
T
T
A
FILTER
C
A
D
R
E
T
L
I
F
.
T
T
A
FILTER
R
E
T
L
I
F
.
T
T
A
FILTER
R
E
T
L
I
F
.
T
T
A
FILTER
5
2
+
5
2
-
K
L
C
K
L
C
K
L
C
K
L
C
E
S
N
E
S
T
N
E
R
R
U
C
4
H
C
3
H
C
2
H
C
1
H
C
E
S
N
E
S
P
M
E
T
+
-
R
E
I
F
I
L
P
M
A
T
X
E
T
U
P
T
U
O
1
H
C
4
A
/
3
A
2
A
/
1
A
1
COMP ON/OFF
EXP ON/OFF
0
0
1
0
0
1
1
1
z
H
0
2
Z
H
0
4
z
H
0
6
z
H
0
8
:
E
D
O
M
V
8
.
0
O
T
V
0
.
0
:
Y
B
D
N
A
T
S
V
0
.
3
O
T
V
2
.
2
:
E
T
U
M
V
5
.
5
O
T
V
2
.
4
:
N
O
1
M
2
M
3
M
4
M
1
M
2
M
3
M
4
M
E
S
N
E
S
Y
L
P
P
U
S
)
5
2
±
(
R
E
T
I
M
I
L
K
A
E
P
DETECT
RMS
OUTPUT LEVEL
R
E
T
I
M
I
L
K
A
E
P
R
E
T
I
M
I
L
K
A
E
P
y
a
l
e
r
V
d
5
+
3
.
3
+
a
5
+
5
2
+
5
2
-
5
2
+
5
2
-
5
2
+
5
2
-
+
D
N
G
1
R
V
+
-
+
-
T
X
E
T
U
P
T
U
O
2
H
C
+
D
N
G
2
R
V
+
-
+
-
T
X
E
T
U
P
T
U
O
3
H
C
+
D
N
G
3
R
V
+
-
+
-
T
X
E
T
U
P
T
U
O
4
H
C
+
D
N
G
4
R
V
+
-
K
C
O
L
C
Y
L
P
P
U
S
K
C
O
L
C
P
M
A
K
C
O
L
C
Y
L
P
P
U
S
DETECT
RMS
OUTPUT LEVEL
DETECT
RMS
OUTPUT LEVEL
DETECT
RMS
OUTPUT LEVEL
LOW VOLTAGE
FLYBACK