Datasheet

Parameter B Grade
1
Units Test Conditions/Comments
ACCURACY
Resolution 12 Bits 1 LSB = V
REF
/2
12
= 2.44 mV when V
REF
= 10 V
Relative Accuracy ±0.5 LSB max
Differential Nonlinearity ±0.5 LSB max All Grades Guaranteed Monotonic Over Temperature
Gain Error
+25°C ±4 LSBs max
T
MIN
to T
MAX
±5 LSBs max
Gain Temperature Coefficient
2
2 ppm FSR/°C typ
5 ppm FSR/°C max
Output Leakage Current
I
OUT1
@ +25°C 10 nA max
T
MIN
to T
MAX
50 nA max
REFERENCE INPUT
Input Resistance 6 kΩ min Typical Input Resistance = 9.5 kΩ
13 kΩ max
Ladder Resistance Mismatch 2 % max Typically 0.6%
DIGITAL INPUTS
V
INH
, Input High Voltage 2.4 V min
V
INL
, Input Low Voltage 0.8 V max
I
INH
, Input Current ±1 µA max
C
IN
, Input Capacitance
2
10 pF max
DIGITAL OUTPUT (SDOUT)
Output Low Voltage (V
OL
) 0.4 V max Load Circuit as in Figure 2.
Output High Voltage (V
OH
) 4.0 V min
POWER REQUIREMENTS
V
DD
Range 4.75/5.25 V min/V max Part Functions from 3.3 V to 5.25 V
Power Supply Rejection
2
∆Gain/∆V
DD
–75 dB typ
I
DD
10 µA max V
INH
= V
DD
, V
INL
= 0 V
At Input Levels of 0.8 V and 2.4 V, I
DD
is
Typically 2 mA.
NOTES
1
Temperature range is as follows: B Version: –40°C to +85°C.
2
Not production tested. Guaranteed by characterization at initial product release.
Specifications subject to change without notice.
REV.
Normal Mode
AD7564–SPECIFICATIONS
(V
DD
= +4.75 V to +5.25 V; I
OUT1
A to I
OUT1
D = I
OUT2
A = I
OUT2
D = AGND = 0 V; V
REF
= +10 V; T
A
= T
MIN
to T
MAX
,
unless otherwise noted)
–2–
B