x79002 Intersil Corporation, x79002 Datasheet - Page 17

• Manufacturer Part Number: x79002
• Description: Nv Dac With Selectable Output Range And Memory
• Manufacturer: Intersil Corporation

FIGURE 3. REMOTE SENSING
FIGURE 4. ACHIEVING HIGHER OUTPUT VOLTAGES
FIGURE 5. MULTIPLYING DAC CONFIGURATION
V
IN
+
–
Variable Gain
Variable Gain
Variable Gain
Variable Gain
& Level Shift
& Level Shift
& Level Shift
& Level Shift
Variable Gain
Variable Gain
& Level Shift
& Level Shift
17
VH VL
VH VL
*Set Register 3Ch for
V
V
H
L
= 0.605V
= 2.42V
VL
VH
Core
Core
DAC
DAC
X79000, X79001, X79002
DAC
Core
X79000
X79000
X79000
+
–
+
–
+
–
VFB
VFB
Vbuf
Vbuf
10K
VFB
Vbuf
o
10K
or use a Intersil DCP
[(V
(V
Vout =
L
IN
set to internal reference)
- V
n = 0 to 4095
Vout = 1.21V to 4.84V*
L
) n/4095] + V
Control
Circuit
Bias
and
L
March 17, 2005
FN8147.0