Datasheet

Parameter A Units Test Conditions/Comments
ACCURACY
Resolution 14 Bits
Relative Accuracy ±2 LSB max
Differential Nonlinearity ±0.9 LSB max Guaranteed Monotonic Over Temperature
Full-Scale Error ±8 LSB max V
REF
(+) = +5 V, V
REF
(–) = –5 V. Typically within ±1 LSB
Zero-Scale Error ±8 LSB max V
REF
(+) = +5 V, V
REF
(–) = –5 V. Typically within ±1 LSB
Gain Error ±2 mV typ V
REF
(+) = +5 V, V
REF
(–) = –5 V
Gain Temperature Coefficient
2
20 ppm FSR/°C typ
40 ppm FSR/°C max
DC Crosstalk
2
50 µV max See Terminology. R
L
= 5 k
REFERENCE INPUTS
DC Input Resistance 100 M typ
Input Current ±1 µA max Per Input. Typically ±20 nA
V
REF
(+) Range 0/+5 V min/max
V
REF
(–) Range –5/0 V min/max
[V
REF
(+) – V
REF
(–)] 2/10 V min/max For Specified Performance. Can Go as Low as 0 V,
but Performance Not Guaranteed
OUTPUT CHARACTERISTICS
Output Voltage Swing ±10 V min 2 × (V
REF
(–)+[V
REF
(+)-V
REF
(–)]•D) – V
DUTDGN
Short Circuit Current 25 mA max
Resistive Load 5 k min To 0 V
Capacitive Load 50 pF max To 0 V
DIGITAL INPUTS
V
INH
, Input High Voltage 2.4 V min
V
INL
, Input Low Voltage 0.8 V max
I
INH
, Input Current ±10 µA max Total for All Pins
C
IN
, Input Capacitance 10 pF max
POWER REQUIREMENTS
V
CC
5.0 V nom ±5% for Specified Performance
V
DD
15.0 V nom ±5% for Specified Performance
V
SS
–15.0 V nom ±5% for Specified Performance
Power Supply Sensitivity
Full Scale/V
DD
110 dB typ
Full Scale/V
SS
100 dB typ
I
CC
0.5 mA max V
INH
= V
CC
, V
INL
= DGND. Dynamic Current
8 mA max V
INH
= 2.4 V min, V
INL
= 0.8 V max
I
DD
14 mA max Outputs Unloaded. Typically 7 mA
I
SS
14 mA max Outputs Unloaded. Typically 7 mA
REV. A
–2–
AD7836–SPECIFICATIONS
(V
CC
= +5 V 5%; V
DD
= +15 V 5%; V
SS
= –15 V 5%; AGND = DGND = DUTGND
= 0 V; R
L
= 5 k and C
L
= 50 pF to GND, T
A
1
= T
MIN
to T
MAX
, unless otherwise noted)
Parameter A Units Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time 16 µs typ Full-Scale Change to ±1/2 LSB. DAC Latch Contents Alternately
Loaded with All 0s and All 1s
Digital-to-Analog Glitch Impulse 150 nV-s typ Measured with V
REF
(+) = +5 V, V
REF
(–) = –5 V. DAC Latch
Alternately Loaded with 1FFF Hex and 2000 Hex. Not Dependent
on Load Conditions
DC Output Impedance 0.3 max See Terminology
Channel-to-Channel Isolation 115 dB typ See Terminology
DAC-to-DAC Crosstalk 10 nV-s typ See Terminology
Digital Crosstalk 10 nV-s typ Feedthrough to DAC Output Under Test Due to Change in Digital
Input Code to Another Converter
Digital Feedthrough 0.2 nV-s typ Effect of Input Bus Activity on DAC Output Under Test
Output Noise Spectral Density
@ 1 kHz 40 nV/Hz typ All 1s Loaded to DAC. V
REF
(+) = V
REF
(–) = 0 V
NOTES
1
Temperature range for A Version: –40°C to +85°C
2
Guaranteed by design.
Specifications subject to change without notice.
(These characteristics are included for Design Guidance and are not
subject to production testing.)
AC PERFORMANCE CHARACTERISTICS