ISL21007 Datasheet, PDF (3/14 Pages) Intersil Corporation – Precision, Low Noise FGA™ Voltage References

ISL21007
Pin Descriptions
PIN NUMBER
1
2
4
5
6
3, 7, 8
PIN NAME
GND or NC
VIN
GND
TRIM
VOUT
DNC
DESCRIPTION
Ground Connection
Power Supply Input Connection
Voltage Reference Output Connection
Allows user trim ±2.5%
Do Not Connect; Internal Connection – Must Be Left Floating
Do Not Connect; Internal Connection - Must Be Left Floating
Typical Application Circuit
+3V
C1
10µF
SPI BUS
X79000
1
SCK
2
A0
3
A1
4
A2
5
SI
6
SO
7
/RDY
8
UP
9
DOWN
10
OE
20
/CS
19
CLR
18
VCC
17
VH
16
VL
15
VREF
14
VSS
13
VOUT
12
VBUF
11
VFB
1
GND
2
VIN
3
NC
4
GND
8
NC
7
NC
6
VOUT
5
NC
ISL21007-12, 25
LOW NOISE DAC OUTPUT
C1
0.001µF
FIGURE 1. TYPICAL APPLICATION PRECISION 12-BIT SUBRANGING DAC
3
FN6326.1
April 12, 2007