AK9822 Datasheet, PDF (14/17 Pages) Asahi Kasei Microsystems – 2K / 4Kbit EEPROM with 2ch 8bit D/A Converter

ASAHI KASEI
[AK9822/24]
2)D/A converter section
(2.7V≤VCC≤5.5V, GND=0V, Ta=-40∼+85°C unless otherwise specified)
Parameter
Resolution
Differential
non-linearity
linearity error (note14)
Buffer amp
output voltage range
3.6V≤VCC≤5.5V
Symbol
Conditions
min
Monotonic
DNL AO=OPEN
-1.0
0.1≤AO
NL
≤VCC-0.1
-1.5
VAO1 |IAO|= 0uA
0.1
VAO2 |IAO|≤1mA
0.3
typ
max Units
8
bit
0
+1.0 LSB
0
+1.5 LSB
VCC-0.1 V
VCC-0.3 V
Buffer amp
output voltage range
2.7V≤VCC<3.6V
VAO3 |IAO|= 0uA
0.1
VAO4 |IAO|≤500µA
0.3
VCC-0.1 V
VCC-0.3 V
CS setup time when
tCSA
5.0
us
VCC is applied to the part
CS hold time in AUTOREAD tACS
5.0
us
DAC setting time (note15)
tLDD1 ^{3.6V≤VCC≤5.5V}
tLDD2 ^{2.7V≤VCC<3.6V}
100
200
us
400
us
note14. Integral non-linearity is the error between the actual line and the ideal line. The
ideal line exhibits a perfect linear D/A converter output characteristics between
the input digital data "00" and the input digital data "FF".
note15. CL=100pF
DAD01E-00
- 14 -
1999/05