Datasheet

LTC2754
3
2754f
ELECTRICAL CHARACTERISTICS
V
DD
= 5V, V
REF
= 5V unless otherwise specifi ed. The denotes the
specifi cations which apply over the full operating temperature range, otherwise specifi cations are at T
A
= 25°C.
SYMBOL PARAMETER CONDITIONS
LTC2754-12 LTC2754B-16 LTC2754A-16
UNITSMIN TYP MAX MIN TYP MAX MIN TYP MAX
Static Performance
Resolution
12 16 16 Bits
Monotonicity
12 16 16 Bits
DNL Differential
Nonlinearity
±1 ±1 ±0.2 ±1 LSB
INL Integral Nonlinearity
±1 ±2 ±0.4 ±1 LSB
GE Gain Error All Output Ranges
±0.5 ±2 ±20 ±2 ±12 LSB
Gain Error Temp-
erature Coeffi cient
∆Gain/∆Temp ±1 ±1 ±1 ppm/°C
BZE Bipolar Zero Error All Bipolar Ranges
±0.2 ±1 ±12 ±1 ±8 LSB
Bipolar Zero Temp-
erature Coeffi cient
±0.5 ±0.5 ±0.5 ppm/°C
PSR Power Supply
Rejection
V
DD
= 5V, ±10%
V
DD
= 3V, ±10%
±0.025
±0.06
±0.4
±1
±0.03
±0.1
±0.2
±0.5
LSB/V
LSB/V
I
LKG
I
OUT1
Leakage Current T
A
= 25°C
T
MIN
to T
MAX
±0.05 ±2
±5
±0.05 ±2
±5
±0.05 ±2
±5
nA
nA
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Analog Pins
Reference Inverting Resistors (Note 4)
16 20 k
R
REF
DAC Input Resistance
810 k
R
FB
Feedback Resistors (Note 3)
810 k
R
OFS
Bipolar Offset Resistors (Note 3)
16 20 k
R
VOSADJ
Offset Adjust Resistors
1024 1280 k
R
GEADJ
Gain Adjust Resistors
2048 2560 k
C
IOUT1
Output Capacitance Full-Scale
Zero-Scale
75
45
pF
Dynamic Performance
Output Settling Time 0V to 10V Range, 10V Step. To ±0.0015% FS
(Note 5)
2s
Glitch Impulse V
DD
= 5V (Note 6)
V
DD
= 3V (Note 6)
1.25
0.26
nV•s
nV•s
Digital-to-Analog Glitch Impulse (Note 7) 2 nV•s
Reference Multiplying BW 0V to 5V Range, V
REF
= 3V
RMS
,
Code = Full Scale, –3dB BW
2 MHz
Multiplying Feedthrough Error 0V to 5V Range, V
REF
= ±10V, 10kHz
Sine Wave
0.5 mV
Analog Crosstalk (Note 8) –109 dB
THD Total Harmonic Distortion (Note 9) Multiplying –110 dB
Output Noise Voltage Density (Note 10) at I
OUT1
13 nV/√Hz
V
DD
= 5V, V
REF
= 5V unless otherwise specifi ed. The denotes specifi cations that apply over the full operating temperature range,
otherwise specifi cations are at T
A
= 25°C.