16-Bit Latchup Protected Analog to Digital Converter
7809LP
TABLE 6. 7809LP ANALOG INPUT AND THROUGHPUT SPEED
(SPECIFIED PERFORMANCE -40 TO +85°C)
PARAMETER
SUBGROUPS
MIN
TYP
MAX
UNIT
Voltage Ranges
10 V, 0 V to 5 V
See Table 2.
Impedance
Capacitance1
1, 2, 3
--
--
35
--
8
pF
µs
Conversion Time
9, 10, 11
9, 10, 11
9, 10, 11
7.6
--
Complete Cycle (Acquire and Convert)
--
10
--
µs
Throughput Rate 2
100
--
kHz
1. Guarenteed by design.
2. Tested by application of signal.
TABLE 7. 7809LP AC ACCURACY SPECIFICATIONS
(SPECIFIED PERFORMANCE -40 TO +85°C)
PARAMETER
SUBGROUPS
MIN
TYP
MAX
UNIT
Spurious-Free Dynamic Range, f = 20 kHz 1
4, 5, 6
4, 5, 6
4, 5, 6
90
--
100
--
dB 2
dB
IN
Total Harmonic Distortion, f = 20 kHz 1
-100
-90
IN
Signal-to-Noise (Noise + Distortion) 1
dB
f = 20 kHz
-60 dB Input
83
--
88
30
--
--
IN
Signal-to-Noise 1, f = 20 kHz
83
--
88
--
--
dB
IN
Full-Power Bandwidth 1,3
9, 10, 11
250
kHz
1. Guaranteed by design.
2. All specifications in dB are referred to a full-scale ±10 V input.
3. Full-Power Bandwidth defined as Full-Scale input frequency at which Signal-to-Noise (Noise + Distortion) degrades to 60 dB.
TABLE 8. 7809LP SAMPLING DYNAMICS
(SPECIFIED PERFORMANCE -40 TO +85°C)
PARAMETER
SUBGROUPS
MIN
TYP
MAX
UNIT
Aperture Delay
9, 10, 11
9, 10, 11
9, 10, 11
9, 10, 11
--
40
--
ns
Aperture Jitter
Sufficient to meet AC specification
Transient Response FS Step
Overvoltage Recovery 1
--
--
2
--
--
us
ns
150
1. Recovers to specified performance after 2 X FS input overvoltage.
01.11.05 Rev 7
All data sheets are subject to change without notice
5
©2005 Maxwell Technologies
All rights reserved.
MAXWELL [ MAXWELL TECHNOLOGIES ]
