LTC1588/LTC1589/LTC1592
The ● denotes specifications which apply over the full operating
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are TA = TMIN to TMAX, VCC = 5V, VREF = 5V, IOUT2 = AGND = GND = 0V.
SYMBOL PARAMETER
Reference Input
CONDITIONS
MIN
TYP
MAX
UNITS
R
DAC Input Resistance (Unipolar)
(Note 6)
●
●
5
7
10
20
kΩ
kΩ
REF
R1, R2 R1, R2 Resistance
(Notes 6, 11)
10
14
R
R
Offset Resistance (Bipolar)
±5V, ±10V, ±2.5V Ranges
–2.5V to 7.5V Range
●
●
10
20
14
28
20
40
kΩ
kΩ
OFS
Feedback Resistance (Unipolar)
Feedback Resistance (Bipolar)
5V Range
10V Range
●
●
5
10
7
14
10
20
kΩ
kΩ
FB
±5V and –2.5V to 7.5V Ranges
±10V Range
±2.5V Range
●
●
●
10
20
5
14
28
7
20
40
10
kΩ
kΩ
kΩ
Analog Outputs (Note 4)
Output Capacitance (I
C
)
OUT1
DAC Load All 1s
DAC Load All 0s
160
100
pF
pF
OUT
AC Performance (Note 4)
Settling Time
5V Range, 0V to 5V Step with LT1468 (Note 7)
(Note 10)
2
2
µs
Midscale Glitch Impulse
nV-s
Multiplying Feedthrough Error
Total Harmonic Distortion
Output Noise Voltage Density
V
= ±10V, 10kHz Sine Wave
1
mV
P-P
REF
THD
(Note 8) Multiplying
(Note 9) At I
–108
11
dB
nV/√Hz
OUT1
Digital Inputs
V
V
Digital Input High Voltage
Digital Input Low Voltage
Digital Input Current
●
●
●
●
2.4
V
V
IH
IL
0.8
±1
8
I
µA
pF
IN
C
Digital Input Capacitance
V
= 0V (Note 4)
IN
IN
Digital Outputs
V
V
Digital Output High Voltage
Digital Output Low Voltage
I
I
= 200µA
●
●
4
V
V
OH
OL
OH
OL
= 1.6mA
0.4
Timing Characteristics
t
t
t
t
t
t
t
t
t
t
t
Serial Input Valid to SCK Setup Time
Serial Input Valid to SCK Hold Time
SCK Pulse Width High
●
●
●
●
●
●
●
●
●
●
●
●
60
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1
2
35
35
360
35
0
3
SCK Pulse Width Low
4
CS/LD Pulse High Width
LSB SCK High to CS/LD High
CS/LD Low to SCK High
5
6
7
SCK to SDO Propagation Delay
SCK Low to CS/LD Low
C
= 50pF
LOAD
20
35
100
35
180
8
9
Clear Pulse Low Width
10
11
CS/LD High to SCK Positive Edge
SCK Frequency
Non-Daisy Chain (Note 12)
Daisy Chain (Note 13)
14.2
4.1
MHz
MHz
1588992fa
3
Linear Systems [ Linear Systems ]
