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PDF AA88347L Data sheet ( Hoja de datos )
| Número de pieza | AA88347L | |
| Descripción | 8-Bit DAC | |
| Fabricantes | Agamem | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AA88347L (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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AA88347LAgamem Microelectronics Inc.
PRELIMINARY
8-BIT DAC
■ DESCRIPTION
The AA88347L is a CMOS processed digital to analog converter (DAC) with 8-bit reso-
lotion, low leakage and operating current. The AA88347L has 8 channels with build in
operational amplifier output buffers which could operate in the full-swing voltage range
from VCC to GND and enhance the Drive/Sink ability up to max. 1mA. Digital data (DI)
input serially in a max. 2.5 MHz clock (CLK) rate. The latched 12-bit digital data is
converted into an analog DC voltage in the range from VSS to VDD with 8-bit resolution in
www.DataSheet4oUn.ceomof the 8 channels by the D/A converter in a max. 200µs settling time. AA88347L is a
single 3V power DAC. Analog DC output could be full voltage swing as the analog power
is equal to the system power. In addition to normal D/A converter applications, AA88347L
is also available for electronic volume and instead of potentio- meters for adjustment due
to its high stability on the capacitive load.16 pins TSSOP package type are available for
AA88347L. Its operational temper- nature range is specified over –20℃ to 85℃.
■ FEATURES
• 12 bits serial data input (3 wire serial data transfer method, DI, CLK, LD)
• R-2R resistor ladder used for D/A conversion
• 8 channels with 8-bit resolution monotonic D/A converter
• 8 channels buffer operational amplifiers operating in the full voltage range from VCC to
GND only if VDD=VCC and VSS=GND
• Max. 2.5 MHz serial digital data input
• Serial I/O for cascade application
• Max. 1.0 mA output drive/sink current
• Two separate power supply/ground lines for system and analog power supply
• Single +3 V system power supply
■ APPLICATION
DVD, CD-R, CD-RW, DVC, digital camera, and other industrial equipments
©Copyright Agamem Microelectronics Inc.
1
www.agamem.com.tw 2008/12/31
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT
ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCTS OR CIRCUIT DESRIBED
HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
1 page  
AA88347LAgamem Microelectronics Inc.
PRELIMINARY
8-BIT DAC
Data
D7 D6 D5 D4 D3 D2 D1 D0
00000000
00000001
00000010
︴︴︴︴︴︴︴︴
www.DataSheet4U.com
11111110
11111111
DAC Output Level
AOX
VSS
VSS + LSB*
VSS + 2 * LSB
︴
VDD - LSB
VDD
* LSB = (VDD-VSS)/255
■ CHANNEL MAP
ADDRESS
1H D-L#1
2H D-L#1
3H D-L#1
4H D-L#1
5H D-L#1
6H D-L#1
7H D-L#1
8H D-L#1
R-2R D/A#1
R-2R D/A#2
R-2R D/A#3
R-2R D/A#4
R-2R D/A#5
R-2R D/A#6
R-2R D/A#7
R-2R D/A#8
OP-B#1
OP-B#2
OP-B#3
OP-B#4
OP-B#5
OP-B#6
OP-B#7
OP-B#8
AO1
AO2
AO3
AO4
AO5
AO6
AO7
AO8
■ ADDRESS DECODING
ADDRESS
D8 D9 D10
0 00
0 00
0 01
0 01
0 10
0 10
0 11
0 11
1 00
D11
0
1
0
1
0
1
0
1
0
DATA LATCH SELECTED
NA
Data Latch #1
Data Latch #2
Data Latch #3
Data Latch #4
Data Latch #5
Data Latch #6
Data Latch #7
Data Latch #8
©Copyright Agamem Microelectronics Inc.
5
www.agamem.com.tw 2008/12/31
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT
ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCTS OR CIRCUIT DESRIBED
HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet AA88347L.PDF ] | |
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