LTC1599 Linear Technology, LTC1599 Datasheet - Page 11

• Manufacturer Part Number: LTC1599
• Description: 16-Bit Byte Wide/ Low Glitch Multiplying DAC with 4-Quadrant Resistors
• Manufacturer: Linear Technology

APPLICATIONS
MLBYTE
MLBYTE
INPUTS
U
INPUTS
CLVL
14 TO 18,
DATA
21 TO 23
CLR
CLVL
14 TO 18,
Figure 2. Noninverting Unipolar Operation (2-Quadrant Multiplication) V
V
WR
DATA
21 TO 23
CLR
LD
WR
REF
LD
8
8
13
13
INFORMATION
Figure 1. Unipolar Operation (2-Quadrant Multiplication) V
U
V
MLBYTE
WR
MLBYTE
REF
WR
4
R1
R1
12 11
4
12 11
R1
R1
LD
LD
CLR CLVL
CLR CLVL
LTC1599
3
R
R
5
6
3
COM
24
COM
24
R2
W
–
R2
+
1/2 LT1112
LTC1599
10
10
2
R2
1111
1000
0000
0000
MSB
1111
1000
0000
0000
MSB
0.1 F
1
REF
IN DAC REGISTER
BINARY NUMBER
R2
IN DAC REGISTER
2
BINARY NUMBER
DIGITAL INPUT
7
DIGITAL INPUT
1111 1111 1111
0000 0000 0000
0000 0000 0001
0000 0000 0000
1111 1111 1111
0000 0000 0000
0000 0000 0001
0000 0000 0000
REF
U
1
5V
V
CC
V
20
CC
Unipolar Binary Code Table
20
Unipolar Binary Code Table
R
5
R
R
5
OFS
R
OFS
OFS
16-BIT DAC
LSB
OFS
16-BIT DAC
LSB
0.1 F
R
5V
R
FB
FB
–V
–V
–V
0V
V
V
V
DGND
0V
REF
REF
REF
R
DGND
6
REF
REF
REF
R
6
FB
ANALOG OUTPUT
FB
I
ANALOG OUTPUT
OUT2S
I
(65,535/65,536)
(32,768/65,536) = V
(1/65,536)
(65,535/65,536)
(32,768/65,536) = –V
(1/65,536)
OUT2S
I
OUT1
I
I
OUT1
OUT2F
I
19
OUT2F
19
V
V
OUT
9
9
OUT
7
7
8
8
2
3
OUT
2
3
33pF
33pF
–
+
–
+
1/2 LT1112
LT1001
= 0V to – V
REF
REF
OUT
/2
/ 2
= 0V to V
6
1
REF
1599 F01
V
0V TO –V
V
0V TO V
OUT
1599 F02
OUT
REF
REF
REF
LTC1599
11