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PDF DAC0808 Data sheet ( Hoja de datos )
| Número de pieza | DAC0808 | |
| Descripción | 8-Bit D/A Converter | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de DAC0808 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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May 1999
DAC0808
8-Bit D/A Converter
General Description
The DAC0808 is an 8-bit monolithic digital-to-analog con-
verter (DAC) featuring a full scale output current settling time
of 150 ns while dissipating only 33 mW with ±5V supplies.
No reference current (IREF) trimming is required for most
applications since the full scale output current is typically ±1
LSB of 255 IREF/256. Relative accuracies of better than
±0.19% assure 8-bit monotonicity and linearity while zero
level output current of less than 4 µA provides 8-bit zero
accuracy for IREF≥2 mA. The power supply currents of the
DAC0808 is independent of bit codes, and exhibits essen-
tially constant device characteristics over the entire supply
voltage range.
The DAC0808 will interface directly with popular TTL, DTL or
CMOS logic levels, and is a direct replacement for the
MC1508/MC1408. For higher speed applications, see
DAC0800 data sheet.
Features
n Relative accuracy: ±0.19% error maximum
n Full scale current match: ±1 LSB typ
n Fast settling time: 150 ns typ
n Noninverting digital inputs are TTL and CMOS
compatible
n High speed multiplying input slew rate: 8 mA/µs
n Power supply voltage range: ±4.5V to ±18V
n Low power consumption: 33 mW @ ±5V
Block and Connection Diagrams
DS005687-1
Dual-In-Line Package
DS005687-2
Top View
Order Number DAC0808
See NS Package M16A or N16A
© 2001 National Semiconductor Corporation DS005687
www.national.com
1 page  
Typical Performance Characteristics VCC = 5V, VEE = −15V, TA = 25˚C, unless otherwise
noted (Continued)
Output Current vs Output
Voltage (Output Voltage
Compliance)
Output Voltage Compliance
vs Temperature
Typical Power Supply
Current vs Temperature
Typical Power Supply
Current vs VEE
DS005687-17
Typical Power Supply
Current vs VCC
DS005687-18
Reference Input
Frequency Response
DS005687-19
DS005687-20
DS005687-21
DS005687-22
Unless otherwise specified: R14 = R15 = 1 kΩ, C = 15 pF, pin 16 to VEE; RL = 50Ω, pin 4 to ground.
Curve A: Large Signal Bandwidth Method of Figure 7, VREF = 2 Vp-p offset 1V above ground.
Curve B: Small Signal Bandwidth Method of Figure 7, RL = 250Ω, VREF = 50 mVp-p offset 200 mV above ground.
Curve C: Large and Small Signal Bandwidth Method of Figure 9 (no op amp, RL = 50Ω), RS = 50Ω, VREF = 2V, VS = 100 mVp-p
centered at 0V.
5 www.national.com
5 Page 
Physical Dimensions inches (millimeters) unless otherwise noted
Small Outline Package
Order Number DAC0808LCM
NS Package Number M16A
Dual-In-Line Package
Order Number DAC0808
NS Package Number N16A
11
www.national.com
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet DAC0808.PDF ] | |
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