AA88348AP Datasheet, PDF (1/10 Pages) Agamem Microelectronic Inc. – 8-BIT DAC

Agamem Microelectronics Inc. AA88348AP
PRELIMINARY
8-BIT DAC
„ FEATURE
z 12 bits serial data input(3 wire serial data
Pin Assignment (Top View)
transfer method, DI, CLK, LD)
z R-2R resistor ladder used for D/A conversion
z 8 channels with 8-bit resolution monotonic D/A ^VSS
1
16
GND
converted
AO2
2
15
AO1
z 8 channel buffer operational amplifiers operating _AO3
3
in the full voltage range from VCC to GND only
if VDD=VCC and VSS=GND
AO4
4
14
DI
13
CLK
z Max. 10 MHz serial digital data input
AO5
5
12
LD
z Serial I/O for cascade application
z Max. 1.0 mA output drive/sink current
z Two separate power supply/ground lines for
AO6
6
AO7
7
11
DO
10
AO8
system and analog power supply
z Single +5 V system power supply
VDD
8
9
VCC
„ DESCRIPTION
The AA88348AP is a CMOS processed AA88348AP is a single 5V power DAC.
digital to analog converter (DAC) with 8-bit Analog DC output could be full voltage swing
reso- lotion, low leakage current and low as the analog power is equal to the system
operating current. The AA88348AP has 8 power
.
channels with build in operational amplifier In addition to normal D/A converter
output buffers which could operate in the applications, AA88348AP is also available for
full-swing voltage range from VCC to GND electronic volume and instead of potentio-
and enhance the Drive/Sink ability up to max. meters for adjustment due to its high stability
1mA.
on the capacitive load.
.
Digital data (DI) input serially in a max. 10 16 pins TSSOP package type are available
MHz clock (CLK) rate. The latched 12-bit for AA88348AP. Its operational temper- nature
digital data is converted into an analog DC range is specified over –20Ċ to 85Ċ.
voltage in the range from VSS to VDD with
8-bit resolution in one of the eight channels by
the D/A converter in a max. 20DŽs settling time.
1
2006/7/5