LTC1450/LTC1450L
TYPICAL APPLICATIONS N
Filter VREF to Lower Output Noise (0.18mVRMS at VOUT)
DIN
FROM µP
DATA BUS
FROM µP AND
DECODE LOGIC
FROM
SYSTEM RESET
5V
0.1µF
10Ω
DATA (0:11)
CSLSB
CSMSB
WR
LDAC
CLR
VCC REFOUT REFHI
LTC1450
LTC1450L
GND
VOUT
X1/X2
REFLO
4.7µF
OUTPUT
LTC1450/50L • TA03
Digitally Programmable Noninverting Amplifier
DIN
FROM µP
DATA BUS
FROM µP AND
DECODE LOGIC
FROM
SYSTEM RESET
LTC1450: VIN = 0V TO 2.048V
(VCC = 4.5V TO 5V)
LTC1450L: VIN = 0V TO 1.22V
VCC
(VCC = 2.7V TO 5.5V)
LTC1450L: VIN = 0V TO 2.048V
0.1µF
(VCC = 4.5V TO 5.5V)
DATA (0:11)
CSLSB
CSMSB
WR
LDAC
CLR
VCC REFOUT REFHI
LTC1450
LTC1450L
GND
VOUT
X1/X2
REFLO
( ) LTC1450: VOUT =
DIN
4096
•
2
VIN
( ) LTC1450L: VOUT =
DIN
4096
•
2.05
VIN
LTC1450/50L • TA04
11