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1% Output Voltage Accuracy
Guaranteed
DESCRIPTION
The UCC391 provides an accurate reference, programmable by a 5-bit
DAC, in a tiny 8 pin package. Using few external components, the UCC391
converts 5V to an adjustable output ranging from 3.5VDC to 2.1VDC in
100mV steps and 2.05VDC to 1.3VDC in 50mV steps with 1% DC system
accuracy.
This device is available in and 8 pin surface mount (150mm SOIC) and
TSSOP packages and is specified for operation from 0擄C to 70擄C.
BLOCK DIAGRAM
D4
D3
D2
D1
D0
7
8
1
2
3
DAC
VREF
4
VCC
5
COMMAND
6
GND
UDG-98200
SLUS437 - NOVEMBER 1998