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PDF AA88368AP Data sheet ( Hoja de datos )
| Número de pieza | AA88368AP | |
| Descripción | 10-BIT DAC | |
| Fabricantes | Agamem Microelectronic | |
| Logotipo |  |
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AA88368APAgamem Mircoelectronics Inc.
PRELIMINARY
10-BIT DAC
FEATURES
z 14 bits serial data input (3 wire serial data transfer method, DI, CLK, LD)
z R-2R resistor ladder used for D/A conversion
z 10 channels with 10 bits resolution monotonic D/A converter
z 10channel buffer operational amplifiers operating in the full voltage range
from VCC to GND
z Max. +/- 3.5 LSBs Integral Non-Linearity
z Max +/- 1 LSB Differential Non-Linearity
z Max. 10 MHz Serial data input
z Serial I/O for cascade application
z Max. 2.0 mA analog output drive/sink current
z Two separate power supply/ground lines for system and analog power
supply
z Single +5 V system power supply
z Silicon-gate CMOS process
DESCRIPTION
The AA88368AP is an 10-bit resolution digital to analog converter (DAC),
designed for interface with 10 bits micro-controller. The AA88368AP has 10 channels
with operational amplifier output buffers. Digital data are input serially in max.
10MHz by individual channel units. The latched digital data are converted into analog
DC voltages by the D/A converter in 20 s settling time. AA88368AP is a single 5V
power DAC. Output could be full swing as the analog power is equal to the system
power.
The AA88368AP has 10 operational amplifier output buffers for each one of 10
channels. These operational amplifier output buffers are used to provide high current
drive/sink capability. The AA88368AP is suitable for electronic volumes and
replacement for potentiometers for adjustment, in addition to normal D/A converter
applications.
AA88368AP is a 20 pins SSOP package. Its operation temperature range is
specified over -10 to 75 . Figure 2 shows its pin assignment.
1 2006/7/5
1 page  
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AA88368APAgamem Mircoelectronics Inc.
PRELIMINARY
10-BIT DAC
* : VDD VSS used for the analog block except operational amplifier block
5 2006/7/5
5 Page 
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AA88368APAgamem Mircoelectronics Inc.
PRELIMINARY
10-BIT DAC
Reverse = L setting (data LSB first)
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9
D/A output
000000000 0
VrefL
1 0 0 0 0 0 0 0 0 0 (VrefH-VrefL) / 1024*1+VrefL
0 1 0 0 0 0 0 0 0 0 (VrefH-VrefL) / 1024*2+VrefL
1 1 0 0 0 0 0 0 0 0 (VrefH-VrefL) / 1024*3+VrefL
0 1 1 1 1 1 1 1 1 0 (VrefH-VrefL) / 1024*1022+VrefL
1 1 1 1 1 1 1 1 1 1 (VrefH-VrefL) / 1024*1023+VrefL
ELECTRICAL CHARACTERISTICS
Digital characteristics (unless otherwise noted, VCC=5V, VrefH=5V, VrefL=0V, Ta=25 )
Parameter Symbol Min Typ Max Unit
Conditions
Power supply current ICC - 0.85 2.8 ma CLK=10MHz operated, VCC=5V, IAO=0us
Input leak current
IILK -5 - 5 ua Vin=0~VCC
Input voltage ”L”
VIL - - 0.8 V
Input voltage ”H”
VIH 2 - - V
Output voltage ”L” VOL 0 - 0.4 V IOL=2.5ma
Output voltage ”H” VOH 4.6 - 5 V IOH=2.5ma
11 2006/7/5
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet AA88368AP.PDF ] | |
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