hi1177 Intersil Corporation, hi1177 Datasheet - Page 2

• Manufacturer Part Number: hi1177
• Description: 8-bit, 40msps, 2-channel D/a Converter
• Manufacturer: Intersil Corporation

Functional Block Diagram
Pin Descriptions
NUMBER
9 to 16
1 to 8
17
SYMBOL
C0 to C7
Y0 to Y7
(LSB) C0
(LSB) Y0
BLK
BLK
CE
Y1
Y2
Y3
Y4
Y5
Y6
Y7
C1
C2
C3
C4
C5
C6
C7
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
6
DECODER
DECODER
DECODER
DECODER
EQUIVALENT CIRCUIT
16
17
1
LATCHES
LATCHES
DV
DV
DV
DV
HI1177
DD
SS
DD
SS
(FOR FULL SCALE)
CURRENT CELLS
BIAS VOLTAGE
GENERATOR
GENERATOR
GENERATOR
CURRENT
CURRENT
CURRENT
CURRENT
2 LSBs
CELLS
6 MSBs
6 MSBs
CLOCK
CELLS
CLOCK
CELLS
2 LSBs
CELLS
Digital Input.
Blanking pin. No signal at “H” (Output 0V).
Output condition at “L”.
+
-
DESCRIPTION
32
31
28
29
19
23
21
26
27
20
30
25
24
22
DV
AV
Y0
Y0
YCK
AV
DV
C0
C0
CCK
V
V
I
V
REF
G
REF
B
DD
DD
SS
SS