ISL21007 Intersil Corporation, ISL21007 Datasheet - Page 3

• Manufacturer Part Number: ISL21007
• Description: Low Noise Voltage References
• Manufacturer: Intersil Corporation

Pin Descriptions
Typical Application Circuit
PIN NUMBER
3, 7, 8
SPI BUS
1
2
4
5
6
10
1
2
3
4
5
6
7
8
9
FIGURE 1. TYPICAL APPLICATION PRECISION 12-BIT SUBRANGING DAC
3
SCK
A0
A1
A2
SI
SO
/RDY
UP
DOWN
OE
GND or NC
PIN NAME
X79000
VOUT
TRIM
GND
DNC
VIN
VOUT
VBUF
VREF
+3V
VCC
CLR
VSS
VFB
/CS
VH
VL
ISL21007
C1
10µF
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
20
19
18
17
16
15
14
13
12
11
LOW NOISE DAC OUTPUT
1
2
3
4
GND
VIN
NC
GND
ISL21007-12, 25
DESCRIPTION
VOUT
NC
NC
NC
8
7
6
5
C1
0.001µF
April 12, 2007
FN6326.1