AA88368AP Datasheet, PDF (12/15 Pages) Agamem Microelectronic Inc. – 10-BIT DAC

AA88368AP Agamem Mircoelectronics Inc.
PRELIMINARY
10-BIT DAC
„ ANALOG CHARACTERISTICS
(unless otherwise noted, VCC=5V, VrefH=5V, VrefL=0V, Ta=25Ċ)
Parameter
Symbol Min Typ Max Unit
Conditions
Consumption current
IrefH
VrefH=5V, VrefL=0V Data
- 4.5 7.5 mA _{conditionjmaximun current}
D/A converter
Upper reference voltage
VrefH 3 - 5
Reference voltage can not always
V
be set to any value in this range,
D/A converter
Lower reference voltage
because it is restricted the buffer
VrefL 0 - 1.5 V
amplifier output voltage range
Buffer amplifier
Output voltage range
0.1 - 4.9 V Io = + / - 100uA
Vo
0.2 - 4.75 V Io = +/- 1ma
Buffer amplifier
Output drive range
Upper satuation voltage = 0.35V
Io -2 - 2 mA
Lower satuation voltage = 0.23V
Differential
S_DL -1 - 1
non-linearity error
LSB VrefH=4.796V,
VerfL=0.7V,
Accuracy Non-linearity error
Zero code error
Full scale error
Buffer amplifier
Output impedance
Pull-up I/O internal R value
S_L
S_ZERO
S_FULL
RO
RUP
-3.5 - 3.5
Vcc=5.5V (2mV/LSB) Without
-25 - 25
load (Io=0mA)
mV
-25 - 25
- 5 15 Ohm
Vin: 0V€resistance value alters by
12.5 25 37.5 Kohm _{the applied voltage}
NOTES:
Integral Non-Linearity : The difference between the digital data converted output values and a
reference straight line drawn through the first and the last output values
Differential Non-Linearity : The difference from the ideal increment value when the digital data is
increased by 1 bit.
12
2006/7/5