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Linear Technology Electronic Components Datasheet

LTC1591 Datasheet

14-Bit and 16-Bit Parallel Low Glitch Multiplying DACs with 4-Quadrant Resistors

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LTC1591 pdf
LTC1591/LTC1597
FEATURES
14-Bit and 16-Bit Parallel
Low Glitch Multiplying DACs
with 4-Quadrant Resistors
DESCRIPTION
s True 16-Bit Performance Over Industrial
Temperature Range
s DNL and INL: 1LSB Max
s On-Chip 4-Quadrant Resistors Allow Precise 0V to
10V, 0V to – 10V or ±10V Outputs
s Pin Compatible 14- and 16-Bit Parts
s Asynchronous Clear Pin
LTC1591/LTC1597: Reset to Zero Scale
LTC1591-1/LTC1597-1: Reset to Midscale
s Glitch Impulse < 2nV-s
s 28-Lead SSOP Package
s Low Power Consumption: 10µW Typ
s Power-On Reset
U
APPLICATIONS
s Process Control and Industrial Automation
s Direct Digital Waveform Generation
s Software-Controlled Gain Adjustment
s Automatic Test Equipment
The LTC®1591/LTC1597 are pin compatible, parallel input
14-bit and 16-bit multiplying current output DACs that oper-
ate from a single 5V supply. INL and DNL are accurate to 1LSB
over the industrial temperature range in both 2- and 4-
quadrant multiplying modes. True 16-bit 4-quadrant multi-
plication is achieved with on-chip 4-quadrant multiplication
resistors.
These DACs include an internal deglitcher circuit that reduces
the glitch impulse to less than 2nV-s (typ). The asynchronous
CLR pin resets the LTC1591/LTC1597 to zero scale and
LTC1591-1/LTC1597-1 to midscale.
The LTC1591/LTC1597 are available in 28-pin SSOP and
PDIP packages and are specified over the industrial tempera-
ture range.
For serial interface 16-bit current output DACs refer to the
LTC1595/LTC1596 data sheet.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATION
16-Bit, 4-Quadrant Multiplying DAC with a
Minimum of External Components
VREF
+ 5V
LT®1468
0.1µF
15pF
32
R1 RCOM
1 23 4
REF VCC ROFS
5
RFB
16
DATA
INPUTS
R1 R2
LTC1597-1
ROFS RFB
16-BIT DAC
IOUT1 6
AGND 7
10 TO 21,
24 TO 27
WR LD CLR
WR 9 8 28
LD
CLR
22
DGND
15pF
LT1468
+
VOUT =
–VREF
TO VREF
1591/97 TA01
LTC1591/LTC1591-1 Integral Nonlinearity
1.0
0.8
VREF = 10V
VOUT = ±10V BIPOLAR
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
4096
8192 12288 16383
DIGITAL INPUT CODE
1591/97 TA02
LTC1597/LTC1597-1 Integral Nonlinearity
1.0
0.8
VREF = 10V
VOUT = ±10V BIPOLAR
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
16384 32768 49152
DIGITAL INPUT CODE
65535
1591/97 TA03
1


Linear Technology Electronic Components Datasheet

LTC1591 Datasheet

14-Bit and 16-Bit Parallel Low Glitch Multiplying DACs with 4-Quadrant Resistors

No Preview Available !

LTC1591 pdf
LTC1591/LTC1597
ABSOLUTE MAXIMUM RATINGS (Note 1)
VCC to AGND ............................................... – 0.5V to 7V
VCC to DGND .............................................. – 0.5V to 7V
AGND to DGND ............................................. VCC + 0.5V
DGND to AGND ............................................. VCC + 0.5V
REF, ROFS, RFB, R1, RCOM to AGND, DGND .......... ±25V
Digital Inputs to DGND ............... – 0.5V to (VCC + 0.5V)
IOUT1 to AGND ............................ – 0.5V to( VCC + 0.5V)
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range
LTC1591C/LTC1591-1C
LTC1597C/LTC1597-1C .......................... 0°C to 70°C
LTC1591I/LTC1591-1I
LTC1597I/LTC1597-1I ....................... – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER INFORMATION
REF 1
RCOM 2
R1 3
ROFS
RFB
IOUT1
AGND
4
5
6
7
LD 8
WR 9
D13 10
D12 11
D11 12
D10 13
D9 14
TOP VIEW
28 CLR
27 NC
26 NC
25 D0
24 D1
23 VCC
22 DGND
21 D2
20 D3
19 D4
18 D5
17 D6
16 D7
15 D8
ORDER PART
NUMBER
LTC1591CG
LTC1591CN
LTC1591IG
LTC1591IN
LTC1591-1CG
LTC1591-1CN
LTC1591-1IG
LTC1591-1IN
G PACKAGE
N PACKAGE
28-LEAD PLASTIC SSOP 28-LEAD NARROW PDIP
TJMAX = 125°C, θJA = 95°C/ W (G)
TJMAX = 125°C, θJA = 70°C/ W (N)
Consult factory for Military grade parts.
REF 1
RCOM 2
R1 3
ROFS
RFB
IOUT1
AGND
4
5
6
7
LD 8
WR 9
D15 10
D14 11
D13 12
D12 13
D11 14
TOP VIEW
28 CLR
27 D0
26 D1
25 D2
24 D3
23 VCC
22 DGND
21 D4
20 D5
19 D6
18 D7
17 D8
16 D9
15 D10
G PACKAGE
N PACKAGE
28-LEAD PLASTIC SSOP 28-LEAD NARROW PDIP
TJMAX = 125°C, θJA = 95°C/ W (G)
TJMAX = 125°C, θJA = 70°C/ W (N)
ORDER PART
NUMBER
LTC1597ACG
LTC1597ACN
LTC1597BCG
LTC1597BCN
LTC1597-1ACG
LTC1597-1ACN
LTC1597-1BCG
LTC1597-1BCN
LTC1597AIG
LTC1597AIN
LTC1597BIG
LTC1597BIN
LTC1597-1AIG
LTC1597-1AIN
LTC1597-1BIG
LTC1597-1BIN
2


Part Number LTC1591
Description 14-Bit and 16-Bit Parallel Low Glitch Multiplying DACs with 4-Quadrant Resistors
Maker Linear Technology
Total Page 20 Pages
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