DC ELECTRICAL CHARACTERISTICS
T
A
= 25
°
C V supply = +5.0V unless otherwise specified; C
AZ
= C
REF
= 0.47
µ
f, R
REF
= 100K
Ω
(1% metal film)
Parameter
Symbol
500RAU-10
500RA-10
Min
Voltage Reference
Supply Voltage
Rejection Ratio
Temperature
Coefficient
Long Term Drift
V
R
V
RSR
0.998
Typ
1.000
95
Max
1.002
Min
0.997
500RAU-20
500RA-20
Typ
1.000
95
Max
1.003
500RAU-50
500RA-50
500R-50
Min
Typ
Max
0.995
1.000
95
1.005
V
dB
Unit
Test Conditions
V
RTC
∆V
REF
/
∆t
3
10
7
20
15
50
ppm/C°
-0.08
-0.08
-0.08
ppm/
1000hrs
min.
5.5
V
Note 7
Warm Up Time
Positive Supply
Operating Voltage Range
Negative Supply
Operating Voltage Range
Power Down Supply
Current
V+
4.5
10
5.5
4.5
10
5.5
4.5
10
Note 7
V-
-5.5
-4.5
-5.5
-4.5
-5.5
-4.5
V
I
PD
25
25
25
µA
Note 7
NOTES:
1. Integrate time
≥
66 msec., Auto Zero time
≥
66 msec., V
INT
= 4V, V
IN
= 2.0V Full Scale
Resolution = V
INT
/integrate time/clock period
2. End point linearity at
±1/4, ±1/2, ±3/4
Full Scale after Full Scale adjustment.
3. Rollover Error also depends on C
INT
, C
REF
, C
AZ
characteristics.
~
4. Contact factory for other power supply operating voltage ranges, including Vsupply =
±3V
or Vsupply =
±2.5V.
5. Recommended selection of clock periods of one of the following:
t clk = 0.27µsec, 0.54µsec, or 1.09µsec
which corresponds to clock frequencies of 3.6864 MHz, 1.8432 MHz, 0.9216 MHz respectively.
6. R
REF
is 100K
Ω
1% metal film, 50 ppm/C.
7. Sample tested parameter.
6
Advanced Linear Devices
ALD500RAU/ALD500RA/ALD500R
ALD [ ADVANCED LINEAR DEVICES ]
