LTC1597-1AIG#TR Linear Technology, LTC1597-1AIG#TR Datasheet - Page 15

• Manufacturer Part Number: LTC1597-1AIG#TR
• Description: IC DAC 14BIT PARALLEL IN 28SSOP
• Manufacturer: Linear Technology

Specifications of LTC1597-1AIG#TR

• Settling Time: 1µs
• Number Of Bits: 16
• Data Interface: Parallel
• Number Of Converters: 1
• Voltage Supply Source: Single Supply
• Power Dissipation (max): 55µW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

APPLICATIONS
INPUTS
10 TO 21,
INPUTS
24 TO 27
V
DATA
CLR
WR
10 TO 21,
REF
LD
V
DATA
CLR
WR
24, 25
16
REF
LD
14
WR
WR
R1
3
9
R1
3
9
R1
LD
R1
LD
8
8
CLR
2
R
CLR
28
COM
2
R
28
R2
COM
+
–
LTC1597-1
1/2 LT1112
U
R2
+
–
1/2 LT1112
LTC1591-1
Figure 2a. Bipolar Operation (4-Quadrant Multiplication) V
Figure 2b. Bipolar Operation (4-Quadrant Multiplication) V
INFORMATION
U
REF
REF
1
1
V
CC
NC
V
23
CC
26
23
W
R
NC
4
R
OFS
R
4
OFS
R
27
OFS
16-BIT DAC
OFS
14-BIT DAC
0.1μF
0.1μF
5V
R
5V
FB
R
FB
R
U
5
FB
R
5
DGND
FB
DGND
I
OUT1
I
AGND
OUT1
AGND
22
6
22
6
7
7
33pF
–
+
1/2 LT1112
33pF
–
+
1/2 LT1112
OUT
OUT
V
–V
TO V
OUT
V
–V
TO V
REF
OUT
= – V
= – V
REF
REF
=
REF
=
REF
REF
LTC1591/LTC1597
1111
1000
1000
0111
0000
MSB
1111
1000
1000
0111
0000
MSB
Bipolar Offset Binary Code Table
Bipolar Offset Binary Code Table
to V
to V
IN DAC REGISTER
IN DAC REGISTER
BINARY NUMBER
BINARY NUMBER
DIGITAL INPUT
DIGITAL INPUT
1111
0000
0000
1111
0000
1111 1111 1111
0000 0000 0001
0000 0000 0000
1111 1111 1111
0000 0000 0000
REF
REF
1111
0000
0000
1111
0000
LSB
LSB
11
01
00
11
00
V
V
0V
–V
–V
ANALOG OUTPUT
ANALOG OUTPUT
V
V
0V
–V
–V
REF
REF
REF
REF
REF
REF
REF
REF
(32,767/32,768)
(1/32,768)
(8,191/8,192)
(1/8,192)
(1/32,768)
V
V
(1/8,192)
OUT
OUT
15
1591/97 F02a
1591/97 F02b
15917fa