ML6401 Ver la hoja de datos (PDF) - Micro Linear Corporation
Número de pieza
componentes Descripción
Fabricante
ML6401 Datasheet PDF : 10 Pages
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ML6401
+12V
C6 +
47µF
C5
0.1µF
R3
500Ω
Q2
C1
470µF
+
VIN
R1
120Ω
Q1
R2
180Ω
R4
1kΩ
+
C2
10µF
R5
2kΩ
–12V
C3 +
47µF
C4
0.1µF
*POT R7 WILL HAVE TO BE ADJUSTED
Note:
Circuit in dashed lines is an optional 1175 input
network which can be replaced with circuits in
Figure 1 or 2.
R8
100Ω
Q3
C9 +
47µF
C10
0.1µF
R7*
5kΩ
POT
R9
5kΩ
R10
75Ω
C8
0.1µF
C13
10pF
C12
0.1µF
+
C7
47µF
C11
0.1µF
CLOCK IN
HC04
+5V
1175 PINOUT
13 VDDD
14 VDDA
15 VDDA
16 VRTS
17 VRT
18 VDDA
19 VIN+
20 GNDA
21 GNDA
22 VRBS
23 VRB
24 GNDD
CLK 12
CLK
VDDO 11
D7 10 MSB
D6 9
D5 8
D4 7
D3 6
D2 5
D1 4
D0 3 LSB
GNDO 2
OE 1
Figure 3. Replacement for 1175.
3. CXD1175 — Connect VRBS to VRB and leave VRTS
open while driving VRT with an external voltage. This
allows similar functionality to #2 preceding, but the
bias voltage (code 0) will move when the full scale
range is changed.
ML6401 — Open pin 16, drive pin 17 externally, and
connect pin 22 to pin 23. The full scale range will be
2 × pin 17 volts, and the bias (code 128) will occur at
1.5 volts (internally generated from bandgap). The full
scale range of the A/D must be kept below 4 volts, but
the part is only specified for full scale range of 2 volts.
4. CXD1175 — Connect VRTS to VRT and leave VRBS
open while driving VRB with an external voltage. This
allows similar functionality to #2 preceding, but the
bias voltage (code 0) will move when the full scale
range is changed.
ML6401 — Connect pin 16 to pin 17, open pin 22 and
drive pin 23 externally. The full scale range will be 2
volts (internally generated from bandgap), and the bias
(code 128) will occur at pin 23 ±2% volts.
7
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