ISL5857_15 Datasheet, PDF (2/14 Pages) Intersil Corporation – 12-bit, +3.3V, 260+MSPS, High Speed D/A Converter

Functional Block Diagram
ISL5857
IOUTA IOUTB
(LSB) D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
CLK
Pin Configuration
INPUT
LATCH
CASCODE
CURRENT
SOURCE
38
SWITCH
38
7 LSBs
+
MATRIX
31 MSB
SEGMENTS
UPPER
5-BIT
DECODER
COMP
INT/EXT
VOLTAGE
REFERENCE
BIAS
GENERATION
REFLO REFIO
FSADJ SLEEP
FIGURE 2. FUNCTIONAL BLOCK DIAGRAM
ISL5857
28 LD SOIC/TSSOP
TOP VIEW
D11 (MSB) 1
D10 2
D9 3
D8 4
D7 5
D6 6
D5 7
D4 8
D3 9
D2 10
D1 11
D0 (LSB) 12
DCOM 13
DCOM 14
28 CLK
27 DV_DD
26 DCOM
25 NC
24 AV_DD
23 COMP
22 IOUTA
21 IOUTB
20 ACOM
19 NC
18 FSADJ
17 REFIO
16 REFLO
15 SLEEP
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2
FN6079.3
October 7, 2015