LTC1590IS Linear Technology, LTC1590IS Datasheet - Page 10

• 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
TYPICAL APPLICATIONS
10
CHIP SELECT/DAC LOAD
LT1004-1.2
SERIAL CLOCK
0.1 F
DATA OUT
DATA IN
3.3V
CLEAR
V
+
120k
210k
50k
10
13
14
11
12
15
0.1 F
7
D
CLK
CS/LD
D
CLR
DGND
AGND
–
+
IN
OUT
LT1179
5V
1/4
16
U
24-BIT
LATCH
SHIFT
REG
AND
0.2V
Very Low Power Single Supply Dual V
Dual Programmable Gain Amplifier
V
V
REF B
REF A
6
5
2
3
4
8
LTC1590
9
1
OUT1 B
OUT2 B
OUT1 A
OUT2 A
DAC B
DAC A
AGND
3.3V
V
V
R
R
V
V
CC
10V
IN B
FB B
IN A
10V
FB A
+
16
7
8
2
R
FB B
R
FB A
LTC1590
DAC B
DAC A
OUT1 B
OUT2 B
OUT2 A
OUT1 A
V
V
REF A
REF B
DGND
3
4
5
6
1
10
OUT
33pF
33pF
9
2
3
5
6
DAC
50k
50k
–
+
+
–
I
(WORSE-CASE CODE)
LT1358
LT1358
SUPPLY TOTAL
1/2
1/2
–15V
15V
8
4
–
+
–
+
LT1179
LT1179
1/4
1/4
500k
500k
= 100 A (TYP)
1
7
0.01 F
0.01 F
V
OUT
= –V
1590 TA08
IN
V
V
4096
OUT B
OUT A
D
V
V
0V TO 2.2V
OUT A
OUT B
1590 TA06