Datasheet

Data Sheet ADAS3022
Rev. B | Page 3 of 40
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
= 1 MSPS. 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 INPUTS—IN[7:0], COM
Operating Input Voltage Range V
IN
−VSSH + 2.5 VDDH − 2.5 V
Differential Input Voltage Range, V
IN
V
IN+
− V
IN−
PGIA gain = 0.16, V
IN
= 49.15 V p-p −6V
REF
+6V
REF
V
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
PGIA gain = 3.2, V
IN
= 2.56 V p-p −0.3125V
REF
+0.3125V
REF
V
PGIA gain = 6.4, V
IN
= 1.28 V p-p −0.1563V
REF
+0.1563V
REF
V
Input Impedance Z
IN
500 MΩ
Channel Off Leakage ±0.6 nA
Channel On Leakage ±0.02 nA
Common-Mode Voltage Range
2
V
IN+
, V
IN−
; full-scale differential inputs
PGIA gain = 0.4 −5.12 +5.12 V
PGIA gain = 0.8 −7.68 +7.68 V
PGIA gain = 1.6 −8.96 +8.96 V
PGIA gain = 3.2 −9.60 +9.60 V
PGIA gain = 6.4 −9.92 +9.92 V
ANALOG INPUTS—AUX+, AUX−
Differential Input Voltage Range −V
REF
+V
REF
V
THROUGHPUT
Conversion Rate One channel/one pair 0 1000 kSPS
Two channels/two pairs
0
500
kSPS
Four channels/four pairs 0 250 kSPS
Eight channels 0 125 kSPS
Transient Response Full-scale step 520 ns
DC ACCURACY
No Missing Codes 16 Bits
Integral Linearity Error PGIA gain = 0.16, 0.2, 0.4, 0.8, 1.6 −2 ±0.6 +2 LSB
PGIA gain = 3.2 −3 ±1.0 +3 LSB
PGIA gain = 6.4 −5 ±1.5 +5 LSB
Differential Linearity Error PGIA gain = 0.16, 0.2, 0.4, 0.8, 1.6 −0.9 ±0.6 +1.0 LSB
PGIA gain = 3.2 −0.9 ±0.75 +1.25 LSB
PGIA gain = 6.4 −0.9 ±0.75 +1.25 LSB
Transition Noise External reference
PGIA gain = 0.16, 0.2, 0.4, 0.8, 1.6 5 LSB
PGIA gain = 3.2
7
LSB
PGIA gain = 6.4 11 LSB
Gain Error External reference, all PGIA gains, T
A
= 25°C −9 +9 LSB
Gain Error Temperature Drift External reference, all PGIA gains 0.1 ppm/°C
Offset Error External reference, T
A
= 25°C
PGIA gain = 0.16, 0.2, 0.4, 0.8 −3.0 +0.2 +3.0 LSB
PGIA gain = 1.6 −4.0 +0.2 +4.0 LSB
PGIA gain = 3.2 −7.5 +0.2 +7.5 LSB
PGIA gain = 6.4 −12.5 +0.2 +12.5 LSB