Advanced Analog Technology, Inc.
AAT1109
ELECTRICAL CHARACTERISTICS,
V
DD
= 3.3V (UNLESS OTHERWISE
SPECIFIED (SEE NOTE 1)
IDLE PERIOD ADJUSTMENT SECTION
PARAMETER
Maximum Duty Cycle
t
Duty
TEST CONTION
MIN TYP MAX UNIT
,
C
OSC
=
270pF
75
85
93
%
R
OSC
=
4.2k
Ω
,
V
OE
=
1.12V
EA (ERROR AMPLIFIER)
PARAMETER
Input Threshold Voltage
V
T
V
T
∆
V
V
T
∆
T
TEST CONDITION
V
OE
=
0.7V
MIN
TYP MAX UNIT
1.249 1.262 1.275
2
1
0.1
1.4
1.7
0.05
0.20
20
−
75
V
mV
V
T
Input Stability
V
T
Variation with
Temperature
Input Bias Current
Output Voltage Swing
Output Sink Current
Output Source Current
Open-Loop Voltage Gain
V
DD
=
2.6 to 6.5V
T
C
= −
20
o
C to
+
85
o
C
8
%
1.0
µ
A
I
B
V
OS
+
V
OS
−
I
OS
+
I
OS
−
A
VO
V
OE
=
0.7V
V
OE
=
0.7V
V
mA
µ
A
3
−
45
70
85
dB
OUTPUT SECTION
PARAMETER
TEST CONDITION
TYP MAX UNIT
High-Level Output Voltage
Low-Level Output Voltage
Rise Time
Fall Time
V
OH
V
OL
t
RISE
I
o
= −
30mA
I
o
= +
30mA
C
L
=
1,000pF
1.9
2.3
0.8
100
1.2
V
V
ns
ns
t
FALL
C
L
=
1,000pF
100
OPERATING CURRENT
PARAMETER
TEST CONDITION
MIN
TYP MAX UNIT
Supply Current
I
DD
−
OFF
I
DD
−
ON
Output ”OFF” State
R
OSC
=
4.2k
Ω
1.3
1.6
mA
mA
–
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Advanced Analog Technology, Inc
.
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