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Linear Technology Electronic Components Datasheet

LTC1596-1 Datasheet

Serial 16-Bit Multiplying DACs

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LTC1596-1 pdf
LTC1595/LTC1596/LTC1596-1
Serial 16-Bit
Multiplying DACs
FEATURES
s SO-8 Package (LTC1595)
s DNL and INL: 1LSB Max
s Low Glitch Impulse: 1nV-s Typ
s Fast Settling to 1LSB: 2µs (with LT1468)
s Pin Compatible with Industry Standard
12-Bit DACs: DAC8043 and DAC8143/AD7543
s 4-Quadrant Multiplication
s Low Supply Current: 10µA Max
s Power-On Reset
LTC1595/LTC1596: Resets to Zero Scale
LTC1596-1: Resets to Midscale
s 3-Wire SPI and MICROWIRETM Compatible
Serial Interface
s Daisy-Chain Serial Output (LTC1596)
s Asynchronous Clear Input
LTC1596: Clears to Zero Scale
LTC1596-1: Clears to Midscale
U
APPLICATIONS
s Process Control and Industrial Automation
s Software Controlled Gain Adjustment
s Digitally Controlled Filter and Power Supplies
s Automatic Test Equipment
DESCRIPTION
The LTC®1595/LTC1596/LTC1596-1 are serial input,
16-bit multiplying current output DACs. The LTC1595 is
pin and hardware compatible with the 12-bit DAC8043 and
comes in 8-pin PDIP and SO packages. The LTC1596 is pin
and hardware compatible with the 12-bit DAC8143/AD7543
and comes in 16-pin PDIP and SO wide packages.
Both are specified over the industrial temperature range.
Sensitivity of INL to op amp VOS is reduced by five times
compared to the industry standard 12-bit DACs, so most
systems can be easily upgraded to true 16-bit resolution
and linearity without requiring more precise op amps.
These DACs include an internal deglitching circuit that
reduces the glitch impulse by more than ten times to less
than 1nV-s typ.
The DACs have a clear input and a power-on reset. The
LTC1595 and LTC1596 reset to zero scale. The LTC1596-1
is a version of the LTC1596 that resets to midscale.
, LTC and LT are registered trademarks of Linear Technology Corporation.
MICROWIRE is a trademark of National Semiconductor Corporation.
TYPICAL APPLICATION
SO-8 Multiplying 16-Bit DAC Has Easy 3-Wire Serial Interface
VIN
CLOCK
DATA
LOAD
5V
8 12
7 VDD VREF RFB
CLK
6 SRI LTC1595 OUT1 3
5 LD
GND
4
33pF
LT®1468
+
VOUT
1595/96 TA01
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
– 0.8
–1.0
0
Integral Nonlinearity
16384 32768 49152
DIGITAL INPUT CODE
65535
1595/96 TA02
1


Linear Technology Electronic Components Datasheet

LTC1596-1 Datasheet

Serial 16-Bit Multiplying DACs

No Preview Available !

LTC1596-1 pdf
LTC1595/LTC1596/LTC1596-1
ABSOLUTE MAXIMUM RATINGS (Note 1)
VDD to AGND .............................................. – 0.5V to 7V
VDD to DGND .............................................. – 0.5V to 7V
AGND to DGND ............................................ VDD + 0.5V
DGND to AGND ............................................. VDD + 0.5V
VREF to AGND, DGND............................................. ± 25V
RFB to AGND, DGND .............................................. ±25V
Digital Inputs to DGND ................ – 0.5V to (VDD + 0.5V)
VOUT1, VOUT2 to AGND ................. – 0.5V to (VDD + 0.5V)
Maximum Junction Temperature .......................... 150°C
Operating Temperature Range
LTC1595C/LTC1596C/LTC1596-1C ........ 0°C to 70°C
LTC1595I/LTC1596I/LTC1596-1I ...... – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER I FOR ATIO
VREF
RFB
OUT1
1
2
3
GND 4
TOP VIEW
8 VDD
7 CLK
6 SRI
5 LD
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 130°C/W (N)
TJMAX = 150°C, θJA = 190°C/W (S)
ORDER PART NUMBER
LTC1595ACN8
LTC1595ACS8
LTC1595BCN8
LTC1595BCS8
LTC1595CCN8
LTC1595CCS8
LTC1595AIN8
LTC1595AIS8
LTC1595BIN8
LTC1595BIS8
LTC1595CIN8
LTC1595CIS8
S8 PART MARKING
1595A 1595AI
1595B 1595BI
1595C 1595CI
Consult factory for Military grade parts.
LTC1596ACN
LTC1596ACSW
LTC1596BCN
LTC1596BCSW
LTC1596CCN
LTC1596CCSW
TOP VIEW
OUT1 1
OUT2 2
AGND 3
STB1 4
LD1 5
SRO 6
SRI 7
STB2 8
16 RFB
15 VREF
14 VDD
13 CLR
12 DGND
11 STB4
10 STB3
9 LD2
N PACKAGE
SW PACKAGE
16-LEAD PDIP 16-LEAD PLASTIC SO WIDE
TJMAX = 150°C, θJA = 100°C/W (N)
TJMAX = 150°C, θJA = 130°C/W (SW)
ORDER PART NUMBER
LTC1596AIN
LTC1596AISW
LTC1596BIN
LTC1596BISW
LTC1596CIN
LTC1596CISW
LTC1596-1ACN
LTC1596-1ACSW
LTC1596-1BCN
LTC1596-1BCSW
LTC1596-1CCN
LTC1596-1CCSW
LTC1596-1AIN
LTC1596-1AISW
LTC1596-1BIN
LTC1596-1BISW
LTC1596-1CIN
LTC1596-1CISW
ELECTRICAL CHARACTERISTICS
VDD = 5V ±10%, VREF = 10V, VOUT1 = VOUT2 = AGND = 0V, TA = TMIN to TMAX, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
LTC1595A/96A/96-1A LTC1595B/96B/96-1B LTC1595C/96C/96-1C
MIN TYP MAX
MIN TYP MAX MIN TYP MAX
Accuracy
Resolution
q 16
16 16
Monotonicity
q 16
16 15
INL Integral Nonlinearity (Note 2) TA = 25°C
TMIN to TMAX q
±0.25 ± 1
±0.35 ±1
±2 ±4
±2 ±4
UNITS
Bits
Bits
LSB
LSB
2


Part Number LTC1596-1
Description Serial 16-Bit Multiplying DACs
Maker Linear Technology
Total Page 12 Pages
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