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PDF LTC1650 Data sheet ( Hoja de datos )
| Número de pieza | LTC1650 | |
| Descripción | Low Glitch 16-Bit Voltage Output DAC | |
| Fabricantes | Linear Technology | |
| Logotipo |  |
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FEATURES
s 16-Bit Monotonic Over Temperature
s Low Glitch Impulse: 2nV-s
s Low Noise: 30nV/√Hz
s Buffered Rail-to-Rail Voltage Output
s Low Power: 50mW from ±5V Supplies
s Unipolar or Bipolar Output (0V to VREF or ±VREF)
s 4-Quadrant Multiplying Capability
s Asynchronous Clear to User-Defined Voltage
s Power-On Reset
s Three-Wire SPI and MICROWIRETM Compatible
Serial Interface
s Schmitt Trigger On CLK Input Allows Direct
Optocoupler Interface
s 16-Pin Narrow SO Package
U
APPLICATIO S
s Industrial Process Control
s Precision Industrial Equipment
s Waveform Generation
s Automatic Test Equipment
s High Resolution Offset and Gain Adjustment
LTC1650
Low Glitch 16-Bit
Voltage Output DAC
DESCRIPTIO
The LTC®1650 is a deglitched rail-to-rail voltage output
16-bit digital-to-analog converter (DAC) available in a
16-pin narrow SO package. It has 16-bit monotonicity
over temperature and includes a rail-to-rail output buffer
amplifier and an easy to use three-wire cascadable serial
interface. The LTC1650 operates with dual ±5V supplies.
With REFLO = 0V and REFHI = VREF, the output will swing
from 0V to VREF in unipolar mode or ±VREF in bipolar
mode.
The LTC1650 has excellent accuracy over its full operating
temperature range along with very low power dissipation
of 50mW with dual ±5V supplies. This, along with the
small outline package, makes it the most flexible high
resolution digital-to-analog converter available today.
The LTC1650 has a fast settling time of 4µs to 16 bits and
a low midscale glitch of under 2nV-s. This makes the
LTC1650 ideal for waveform generation or other applica-
tions where output dynamic performance is important.
, LTC and LT are registered trademarks of Linear Technology Corporation.
MICROWIRE is a trademark of National Semiconductor Corporation.
TYPICAL APPLICATIO
CS/LD 8
CLK 7
DIN 5
5V
DVDD
3
4.096V
REFHI
11
16-BIT DAC
DOUT 6
4 12,13
DGND
REFLO
RSTOUT
10
5V
AVDD
15
POWER-ON RESET
SUPPLY SENSE
9 CLR
2 VRST
+
1 VOUT
–
14
AVSS
– 5V
16 UNI/BIP
1650 TA01
1.0
0.8
0.6
0.4
0.2
0
– 0.2
– 0.4
– 0.6
– 0.8
– 1.0
0
Differential Nonlinearity
vs Input Code
16384
32768
CODE
49152 65535
1650 TA02
1
1 page  
TYPICAL PERFOR A CE CHARACTERISTICS
LTC1650
Integral Nonlinearity (INL) vs
Input Code
5
4
3
2
1
0
–1
–2
–3
–4
–5
0
16384
32768
CODE
49152 65535
1650 G01
Differential Nonlinearity (DNL) vs
Input Code
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
16384
32768
CODE
49152 65535
1650 G02
Large Signal Settling Time
CS/LD
5V/DIV
4.096V
VOUT
1V/DIV
0V
1µs/DIV
1650 G03
Large Signal Settling Time
Mid-Scale Glitch
Broadband Noise
CS/LD
5V/DIV
4.096V
VOUT
1V/DIV
CS/LD
5V/DIV
VOUT
10mV/DIV
50µV/DIV
REFERRED
TO DAC
OUTPUT
0V
1µs/DIV
1650 G04
500ns/DIV
1650 G05
BW = 100kHz
200µs/DIV
1650 G06
Minimum Supply Headroom for
Full Output Swing vs Load Current
1.0
0.9 ∆ VOUT < 1LSB
0.8
VOUT = 4.096V
CODE: ALL 1’s
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 5.0 10.0
LOAD CURRENT (mA)
15.0
1650 G07
Reference Feedthrough
100
90
80
70
60
50
40
1
100 10k 1M
FREQUENCY (Hz)
100M
1650 G08
AVDD Supply Current vs
Temperature
5.5
5.4
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1650 G09
5
5 Page 
PACKAGE DESCRIPTION Dimensions in inches (millimeters) unless otherwise noted.
LTC1650
N Package
16-Lead PDIP (Narrow 0.300)
(LTC DWG # 05-08-1510)
0.770*
(19.558)
MAX
16 15 14 13 12 11 10 9
0.255 ± 0.015*
(6.477 ± 0.381)
0.300 – 0.325
(7.620 – 8.255)
12 3 4 5 6 78
0.130 ± 0.005
(3.302 ± 0.127)
0.045 – 0.065
(1.143 – 1.651)
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
0.018 ± 0.003
(0.457 ± 0.076)
N16 1197
S Package
16-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.386 – 0.394*
(9.804 – 10.008)
16 15 14 13 12 11 10 9
0.228 – 0.244
(5.791 – 6.197)
0.150 – 0.157**
(3.810 – 3.988)
0.010
(0.254
–
–
0.020
0.508)
×
45°
0.008 – 0.010
(0.203 – 0.254)
0° – 8° TYP
1 2 34 5 6 7 8
0.053 – 0.069
(1.346 – 1.752)
0.004 – 0.010
(0.101 – 0.254)
0.016 – 0.050
0.406 – 1.270
*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
0.014 – 0.019
(0.355 – 0.483)
0.050
(1.270)
TYP
S16 0695
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 LTC1650.PDF ] | |
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