ISL76161 Datasheet, PDF (2/12 Pages) Intersil Corporation – 12-Bit, +3.3V, 130MSPS, High Speed D/A Converter

Typical Applications Circuit
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
50Ω
BEAD
+
10µH
10µF
0.1µF
ISL76161
ISL76161
D11 (MSB) (1)
(25, 19) NC
(15) SLEEP
(16) REFLO
D10 (2)
D9 (3)
(17) REFIO
D8 (4)
D7 (5)
D6 (6)
(18) FSADJ
D5 (7)
D4 (8)
D3 (9)
(22) IOUTA
(21) IOUTB
D2 (10)
D1 (11)
D0 (LSB) (12) (23) COMP
CLK (28)
DCOM (26, 13, 14)
(20) ACOM
DV_DD (27)
(24) AV_DD
0.1µF
50Ω
ONE CONNECTION
DCOM
ACOM
1:1, Z1:Z2
R_SET 1.94kΩ
(50Ω)
REPRESENTS
ANY 50Ω LOAD
0.1μF
FERRITE
BEAD
10µH
+ _{+3.3V (VDD)}
0.1µF
10µF
Functional Block Diagram
IOUTA IOUTB
(LSB) D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
CLK
2
INPUT
LATCH
CASCODE
CURRENT
SOURCE
7 LSBs
38
SWITCH 38
+
MATRIX
31 MSB
SEGMENTS
UPPER
5-BIT
DECODER
COMP
INT/EXT
VOLTAGE
REFERENCE
BIAS
GENERATION
REFLO REFIO
FSADJ SLEEP
FN6720.1
September 9, 2008