Datasheet

Data Sheet ADAS3023
SPECIFICATIONS
VDDH = 15 V ± 5%, VSSH = −15 V ± 5%, AVDD = DVDD = 5 V ± 5%; VIO = 1.8 V to AVDD, Internal Reference V
REF
= 4.096 V, f
S
=
500 kSPS, all specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 2.
Parameter Test Conditions/Comments Min Typ Max Unit
1
RESOLUTION
16
Bits
ANALOG INPUT (IN0 to IN7, COM)
Input Impedance Z
IN
500 MΩ
Operating Input Voltage Range
2
V
IN
, on any single pin VSSH + 2.5 VDDH − 2.5 V
Differential Input Voltage Ranges, V
IN
V
INX
− COM
PGIA gain = 0.2, V
IN
= 40.96 V p-p −5V
REF
+5V
REF
V
PGIA gain = 0.4, V
IN
= 20.48 V p-p −2.5V
REF
+2.5V
REF
V
PGIA gain = 0.8, V
IN
= 10.24 V p-p −1.25V
REF
+1.25V
REF
V
PGIA gain = 1.6, V
IN
= 5.12 V p-p −0.625V
REF
+0.625V
REF
V
THROUGHPUT
Conversion Rate Two channels 0 500 kSPS
Four channels
0
250
kSPS
Six channels 0 167 kSPS
Eight channels 0 125 kSPS
Transient Response
3
Full-scale step 820 ns
DC ACCURACY
No Missing Codes 16 Bits
Integral Linearity Error PGIA gain = 0.2, 0.4, or 0.8, COM = 0 V −2.5 ±1 +2.5 LSB
PGIA gain = 1.6, COM = 0 V −3 ±1 +3
Differential Linearity Error All PGIA gains, COM = 0 V −0.95 ±0.5 +1.25 LSB
Transition Noise PGIA gain = 0.2 or 0.4 6 LSB
PGIA gain = 0.8 7 LSB
PGIA gain = 1.6 10 LSB
Gain Error
4
External reference, all PGIA gains −0.075 +0.075 %FS
Gain Error Match, Delta Mean External reference, all PGIA gains −0.05 +0.05 %FS
Gain Error Temperature Drift
External reference, PGIA gain = 0.2, 0.4, or 0.8
1
ppm/°C
External reference, PGIA gain = 1.6 2 ppm/°C
Offset Error
4
External reference, PGIA gain = 0.2 −65 −35 +12 LSB
External reference, PGIA gain = 0.4 −85 −45 +12 LSB
External reference, PGIA gain = 0.8 −10 0 +10 LSB
External reference, PGIA gain = 1.6 0 130 250 LSB
Offset Error Match, Delta Mean External reference, PGIA gain = 0.2, 0.4, 0.8, or 1.6 −15 ±1 +15 LSB
Offset Error Temperature Drift External reference, PGIA gain = 0.2 or 0.4, IN0 to IN7 0 0.5 2 ppm/°C
External reference, PGIA gain = 0.8, IN0 to IN7 0 1.5 3 ppm/°C
External reference, PGIA gain = 1.6, IN0 to IN7 0 2.5 5 ppm/°C
AC ACCURACY
5
Internal reference
Signal-to-Noise Ratio f
IN
= 1 kHz, COM = 0 V
PGIA gain = 0.2 90.0 91.5 dB
PGIA gain = 0.4 89.5 91.0 dB
PGIA gain = 0.8
87.5
89.0
dB
PGIA gain = 1.6 85.0 86.5 dB
Signal-to-Noise + Distortion (SINAD) f
IN
= 1 kHz, two, four, six, and eight channels
PGIA gain = 0.2 89.5 91.0 dB
PGIA gain = 0.4 89.0 90.5 dB
PGIA gain = 0.8 87.0 88.5 dB
PGIA gain = 1.6 84.0 86.0 dB
Rev. 0 | Page 3 of 32