LTC1590IS Linear Technology, LTC1590IS Datasheet - Page 6

• Manufacturer Part Number: LTC1590IS
• Description: IC D/A CONV 12BIT DUAL 16-SOIC
• Manufacturer: Linear Technology

Specifications of LTC1590IS

• Settling Time: 1.5µs
• Number Of Bits: 12
• Data Interface: Serial
• Number Of Converters: 2
• Voltage Supply Source: Single Supply
• Power Dissipation (max): 55µW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Number Of Channels: 2
• Resolution: 12b
• Interface Type: SERIAL 3W SPI UW
• Single Supply Voltage (typ): 5V
• Dual Supply Voltage (typ): Not RequiredV
• Architecture: R-2R
• Power Supply Requirement: Single
• Output Type: Current
• Integral Nonlinearity Error: ±0.5LSB
• Single Supply Voltage (min): 4.5V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Package Type: SOIC N
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC1590
TIMING DIAGRAMS
6
BLOCK
W U
CS/LD
CLK
D
IN
OPERATING SEQUENCE
(ENABLE CLOCK)
MSB
D11
1
I D AGRA
D10
V
V
CS/LD
REF B
REF A
2
CLK
D
IN
D9
3
11
14
13
9
1
D8
4
W
D7
5
W
LOAD
DAC A INPUT
D6
(MSB)
40k
D11
6
DECODER
D5
7
40k
D4
8
D10
IN
D3
CLK
9
DAC REGISTER B
40k
12
V
20k
16
D2
CC
10
INPUT 24-BIT SHIFT REGISTER
D9
D1
11
40k
20k
LSB
D0
12
DGND
10
D11
D8
MSB
13
40k
D10
14
20k
D9
AGND
15
12
7
(LSB)
DAC A
D0
D8
16
OUT
40k
D7
17
40k
DAC B
DAC B INPUT
D6
18
10k
D5
19
D4
20
D3
21
12
2
3
4
8
6
5
(UPDATE DAC OUTPUT)
1590 • BD
R
OUT2 B
R
OUT1 A
OUT2 A
OUT1 B
D
D2
FB B
FB A
OUT
22
D1
23
LSB
D0
24
LTC1590 • TD