ISL21009_0709 Datasheet, PDF (17/19 Pages) Intersil Corporation – High Voltage Input Precision, Low Noise FGA™ Voltage References

ISL21009
Typical Application Circuits
V_IN = +5.0V
R = 200Ω
V_IN
V_OUT
ISL21009
V_OUT = 2.50V
GND
2N2905
2.5V/50mA
0.001µF
FIGURE 59. PRECISION 2.5V, 50mA REFERENCE
+3.5V TO 16.5V
V_IN
V_OUT
ISL21009-25
V_OUT = 2.50V
GND
0.1µF
10µF
2-WIRE BUS
V_{CC RH}
X9119
SDA
SCL
V_SS R_L
0.001µF
V_OUT
(UNBUFFERED)
+
EL8178
–
V_OUT
(BUFFERED)
FIGURE 60. 2.5V FULL SCALE LOW-DRIFT, LOW NOISE, 10-BIT ADJUSTABLE VOLTAGE SOURCE
17
FN6327.6
September 12, 2007