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
SYM
MIN TYP MAX -40 -55 UNITS
±00kHz Input Signal
*
*
*
*
*
S/(N + D) 7ꢀ ꢀ±.5
75
75
dB
dB
dB
dB
dB
Signal-to(Noise + Distortion) Ratio
390 kHz Input Signal
S/(N + D)
THD
ꢀ0.0
±00kHz Input Signal, First 5 Harmonics
390 kHz Input Signal, First 5 Harmonics
±00KHz Input Signal
-93 -ꢀ6 -7ꢀ -75
-ꢀ6
Total Harmonic Distortion
THD
Spurious Free Dynamic Range
Intermodulation Distortion
SFDR
-95 -ꢀ6 -ꢀ0 -79
f
= 29.37kHz, f = 32.446kHz
IN2
IMD
-ꢀ6
dB
IN±
Full-Power Bandwidth
Full-Linear Bandwidth
20
±
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
2.4ꢀ0 2.500 2.520
V
ppm/°C
LSB/V
kΩ
OUT
REF
REF
REF
REF
Output Tempco
Line Regulation
Output Resistance
Output Voltage
I
±±5
0.05
2
OUT
4.75V < V < 5.25V, -5.25V < V < -4.75V
DD SS
-0.±mA < | I
| < 0.±mA
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.ꢀ
V
V
= 0V to V
I
IN
±±0
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
O
= -±0µA
V
V
4.5
V
V
OH
OL
I
O
= -200µA
*
4.0
= 4.75V
I
= ±60µA
= ±.6mA
0.05
0.±0
V
O
I
O
*
*
*
0.4
±±0
±5
V
High-Z Output Leakage D±3 to D0
High-Z Output Capacitance D±3 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
-±0
±0
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. 1.5 08/09
3