Datasheet

LTC2704
3
2704fd
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS
LTC2704-12 LTC2704-14 LTC2704-16
UNITSMIN TYP MAX MIN TYP MAX MIN TYP MAX
Accuracy
Resolution
l
12 14 16 Bits
Monotonicity
l
12 14 16 Bits
INL Integral Nonlinearity V
REF
= 5V
l
±1 ±1 ±2 LSB
DNL Differential Nonlinearity V
REF
= 5V
l
±1 ±1 ±1 LSB
GE Gain Error V
REF
= 5V
l
±0.5 ±2 ±1 ±5 ±4 ±20 LSB
Gain Temperature
Coeffi cient
∆Gain/∆Temperature
l
±2 ±2 ±2 ppm/°C
V
OS
Unipolar Zero-Scale
Error
Span = 0V to 5V, T
A
= 25°C
Span = 0V to 10V, T
A
= 25°C
Span = 0V to 5V
Span = 0V to 10V
l
l
±80
±100
±140
±150
±200
±300
±400
±600
± 80
±100
±140
±150
±200
±300
±400
±600
±80
±100
±140
±150
±200
±300
±400
±600
V
V
V
V
V
OS
Temperature
Coeffi cient
0V to 5V Range
0V to 10V Range
l
l
±2
±2
±2
±2
±2
±2
V/°C
V/°C
BZE Bipolar Zero
Error
All Bipolar Ranges
l
±0.25 ±1
±2
±0.5 ±2
±2.5
±2 ±8
±12
LSB
LSB
PSRR Power Supply
Rejection Ratio
V
DD
= 5V ±10% (Note 3)
V
DD
= 3V ±10% (Note 3)
0V to 10V Range, Code = 0
V
+
/V
–
= ±15V ±10% (Note 2)
V
+
/V
–
= ±5V ±10%, V
REF
= 2V (Note 2)
l
l
±0.003
±0.006
±0.001
±0.002
±0.06
±0.05
±0.013
±0.025
±0.005
±0.01
±0.25
±0.13
±0.05
±0.1
±0.02
±0.04
±0.1
±0.5
LSB/V
LSB/V
LSB/V
LSB/V
Analog Outputs (Note 4)
Settling Time 0V to 5V Range, 5V Step, to ±1LSB
0V to 10V or ±5V Range,
10V Step, to ±1LSB
±10V Range, 20V Step, to ±1LSB
3
5
8
3.5
5.5
9
4
6
10
µs
µs
µs
Output Swing V
+
/V
–
= ±15V, V
REF
= ±7.25V,
0V to 10V Range, I
LOAD
= ±3mA (Note 2)
l
–14.3 14.3 –14.3 14.3 –14.3 14.3 V
V
+
/V
–
= ±5V, V
REF
= ±2.25V,
0V to 10V Range, I
LOAD
= ±2.5mA (Note 2)
l
–4.5 4.5 –4.5 4.5 –4.5 4.5 V
Load Current V
+
/V
–
= ±10.8V to ±16.5V, V
REF
= ±5V,
0V to 10V Range, V
OUT
= ±10V (Note 2)
l
±5
±4
±5
±4
±5
±4
mA
mA
V
+
/V
–
= ±4.5V to ±16.5V, V
REF
= ±2V,
0V to 10V Range, V
OUT
= ±4V (Note 2)
l
±3
±2.7
±3
±2.7
±3
±2.7
mA
mA
Load Regulation V
+
/V
–
= ±15V, V
REF
= 5V,
0V to 10V Range, Code = 0, ±5mA Load
(Note 2)
l
±0.005 ±0.01 ±0.04 LSB/mA
V
+
/V
–
= ±5V, V
REF
= 2V,
0V to 10V Range, Code = 0, ±3mA Load
(Note 2)
l
±0.01 ±0.013 ±0.05 LSB/mA
Output
Impedance
V
REF
= 5V, 0V to 10V Range,
Code = 0, ±5mA Load
l
0.015 0.006 0.006 
I
SC
Short-Circuit
Current
V
+
/V
–
= ±16.5V, V
REF
= 5V, ±10V Range
Code = 0, V
OUT
Shorted to V
+
(Note 2)
Code = Full Scale, V
OUT
Shorted to V
–
l
l
–36
38
–36
38
–36
38 mA
mA
V
+
/V
–
= ±5.5V, V
REF
= 2V, ±10V Range
Code = 0, V
OUT
Shorted to V
+
(Note 2)
Code = Full Scale, V
OUT
Shorted to V
–
l
l
–36
38
–36
38
–36
38 mA
mA
The l denotes specifi cations which apply over the full operating
temperature range, otherwise specifi cations are T
A
= 25°C, V
+
1
= V
+
2
= 15V, V
–
= –15V, V
DD
= 5V, REF1 = REF2 = 5V, AGND = AGNDx =
REFG1 = REFG2 = GND = 0V.