ADC
AS1419
AS1419A
Austin Semiconductor, Inc.
DYNAMIC ACCURACY (* denotes specifications which apply over the full
operating temperature range, otherwise specifications are TA = +25°C.)5
PARAMETER
CONDITIONS
100kHz Input Signal
390 kHz Input Signal
SYM
MIN TYP MAX UNITS
*
*
*
*
*
S/(N + D) 78 81.5
S/(N + D)
THD
THD
SFDR
dB
dB
dB
dB
dB
Signal-to(Noise + Distortion) Ratio
80.0
-93 -86
-86
100kHz Input Signal, First 5 Harmonics
390 kHz Input Signal, First 5 Harmonics
100KHz Input Signal
Total Harmonic Distortion
Spurious Free Dynamic Range
Intermodulation Distortion
-95 -86
f
= 29.37kHz, f = 32.446kHz
IN2
IMD
-86
dB
IN1
Full-Power Bandwidth
Full-Linear Bandwidth
20
1
MHz
MHz
S/(N + D) > 77dB
5
INTERNAL REFERENCE CHARACTERISTICS
PARAMETER
CONDITIONS
SYM
MIN TYP MAX UNITS
Output Voltage
I
= 0
= 0
V
V
V
V
2.480 2.500 2.520
V
ppm/°C
LSB/V
kΩ
OUT
REF
REF
REF
REF
Output Tempco
Line Regulation
Output Resistance
Output Voltage
I
±15
0.05
2
OUT
4.75V < V < 5.25V, -5.25V < V < -4.75V
DD
SS
-0.1mA < | I
| < 0.1mA
OUT
I
= 0
REFcomp
4.06
V
OUT
DIGITAL INPUTS AND DIGITAL OUTPUTS (* denotes specifications which
apply over the full operating temperature range, otherwise specifications are
TA = +25°C.)5
PARAMETER
CONDITIONS
SYM
MIN
TYP
MAX
UNITS
High Level Input Voltage
V
V
= 5.25V
= 4.75V
*
*
*
V
V
2.4
V
DD
DD
IH
IL
Low Level Input Voltage
Digital Input Current
0.8
V
V
= 0V to V
I
IN
±10
µA
pF
IN
DD
Digital Input Capacitance
C
5
IN
V
V
= 4.75V
DD
DD
High Level Output Voltage
Low Level Output Voltage
I
= -10µA
V
V
4.5
V
V
O
OH
OL
I
O
= -200µA
*
4.0
= 4.75V
I
= 160µA
= 1.6mA
0.05
0.10
V
O
I
O
*
*
*
0.4
±10
15
V
High-Z Output Leakage D13 to D0
High-Z Output Capacitance D13 to D0
Output Source Current
V
= 0V to V , CS\ High
DD
I
µA
pF
mA
mA
OUT
OZ
9
C
OZ
SOURCE
CS\ High
V
= 0V
I
-10
10
OUT
Output Sink Current
V
= V
I
SINK
OUT
DD
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
AS1419 & AS1419A
Rev. 0.1 1/04
3
MICROSS [ MICROSS COMPONENTS ]
