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PDF LTC1596CIN Data sheet ( Hoja de datos )
| Número de pieza | LTC1596CIN | |
| Descripción | Serial 16-Bit Multiplying DACs | |
| Fabricantes | Linear Technology | |
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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
1 page  
LTC1595/LTC1596/LTC1596-1
TYPICAL PERFOR A CE CHARACTERISTICS
Mid-Scale Glitch Inpulse
1nV-s TYP
USING LT1122 OP AMP
+10 CFEEDBACK = 33pF
VREF = 10V
0
LD FALLING EDGE
–10
01234
TIME (µs)
1595/96 G01
Full-Scale Settling Waveform
DAC
OUTPUT
5V/DIV
GATED
SETTLING
WAVEFORM
500µV/DIV
1µs/DIV
USING LT1122 OP AMP
CFEEDBACK = 33pF
1595/96 G04
Integral Nonlinearity (INL)
1.0
0.8
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
1595/96 TA02
Integral Nonlinearity
vs Reference Voltage
1.0
0.5
Multiplying Mode Frequency
Response vs Digital Code
0 D15
D14
D13
–20 D12
D11
D10
– 40 D9
D8
D7
– 60
D6
D5
D4
D3
– 80 D2
D1
D0
– 100
– 120
100
ALL
BITS
ON
ALL
BITS OFF
USING LT1122 OP AMP
CFEEDBACK = 33pF
1k 10k 100k 1M
FREQUENCY (Hz)
10M
1595/96 G07
0
–10 – 8 – 6 – 4 – 2 0 2 4 6
REFERENCE VOLTAGE (V)
8 10
1595/96 G05
Integral Nonlinearity
vs Supply Voltage
2
VREF = 10V
1
VREF = 2.5V
0
2 3 4 5 6 7 8 9 10
SUPPLY VOLTAGE (V)
1595/96 G08
Differential Nonlinearity (INL)
1.0
0.8
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
1595/96 G03
Differential Nonlinearity
vs Reference Voltage
1.0
0.5
0
–10 – 8 – 6 – 4 – 2 0 2 4 6
REFERENCE VOLTAGE (V)
8 10
1595/96 G06
Differential Nonlinearity
vs Supply Voltage
1.0
0.5
0
2 3 4 5 6 7 8 9 10
SUPPLY VOLTAGE (V)
1595/96 G09
5
5 Page 
LTC1595/LTC1596/LTC1596-1
PACKAGE DESCRIPTION Dimensions in inches (millimeters) unless otherwise noted.
N8 Package 8-Lead PDIP (Narrow 0.300) (LTC DWG # 05-08-1510)
0.300 – 0.325
(7.620 – 8.255)
0.045 – 0.065
(1.143 – 1.651)
0.130 ± 0.005
(3.302 ± 0.127)
8
0.400*
(10.160)
MAX
76
5
0.009 – 0.015
(0.229 – 0.381)
+0.035
0.325 –0.015
( )8.255
+0.889
–0.381
0.065
(1.651)
TYP
0.100 ± 0.010
(2.540 ± 0.254)
0.125
(3.175) 0.020
MIN (0.508)
MIN
0.018 ± 0.003
(0.457 ± 0.076)
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
0.255 ± 0.015*
(6.477 ± 0.381)
12
34
N8 1197
S8 Package 8-Lead Plastic Small Outline (Narrow 0.150) (LTC DWG # 05-08-1610)
0.010
(0.254
–
–
0.020
0.508)
×
45°
0.008 – 0.010
(0.203 – 0.254)
0.053 – 0.069
(1.346 – 1.752)
0°– 8° TYP
0.016 – 0.050
0.406 – 1.270
0.014 – 0.019
(0.355 – 0.483)
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
0.004 – 0.010
(0.101 – 0.254)
0.189 – 0.197*
(4.801 – 5.004)
8 765
0.050
(1.270)
TYP
0.228 – 0.244
(5.791 – 6.197)
0.150 – 0.157**
(3.810 – 3.988)
1 2 34
SO8 0996
0.300 – 0.325
(7.620 – 8.255)
N Package 16-Lead PDIP (Narrow 0.300) (LTC DWG # 05-08-1510)
0.130 ± 0.005
(3.302 ± 0.127)
0.045 – 0.065
(1.143 – 1.651)
0.770*
(19.558)
MAX
16 15 14 13 12 11 10 9
0.009 – 0.015
(0.229 – 0.381)
0.020
(0.508)
MIN
+0.035
0.325 –0.015
( )8.255
+0.889
–0.381
0.125
(3.175)
MIN
0.100 ± 0.010
(2.540 ± 0.254)
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
0.065
(1.651)
TYP
0.255 ± 0.015*
(6.477 ± 0.381)
0.018 ± 0.003
(0.457 ± 0.076)
12 3 4 5 6 78
N16 1197
SW Package 16-Lead Plastic Small Outline (Wide 0.300) (LTC DWG # 05-08-1620)
0.291 – 0.299**
(7.391 – 7.595)
0.010
(0.254
–
–
0.029
0.737)
×
45°
0.093 – 0.104
(2.362 – 2.642)
0.037 – 0.045
(0.940 – 1.143)
0.398 – 0.413*
(10.109 – 10.490)
16 15 14 13 12 11 10 9
0° – 8° TYP
0.050
NOTE 1
0.009 – 0.013
(0.229 – 0.330)
NOTE:
NOTE 1
0.016 – 0.050
(0.406 – 1.270)
(1.270)
TYP
0.014 – 0.019
(0.356 – 0.482)
TYP
0.004 – 0.012
(0.102 – 0.305)
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
0.394 – 0.419
(10.007 – 10.643)
123 45678
S16 (WIDE) 0396
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LTC1596CIN.PDF ] | |
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