LTC1662 Linear Technology, LTC1662 Datasheet - Page 4

• Manufacturer Part Number: LTC1662
• Description: Ultralow Power/ Dual 10-Bit DAC in MSOP
• Manufacturer: Linear Technology

LTC1662
TI I G CHARACTERISTICS
range, otherwise specifications are at T
SYMBOL
t
t
t
t
t
Note 1: Absolute maximum ratings are those values beyond which the life
of a device may be impaired.
Note 2: Nonlinearity and monotonicity are defined and tested at V
V
Note 3: Digital inputs at 0V or V
TI I G DIAGRA
4
TYPICAL PERFOR A CE CHARACTERISTICS
5
6
7
9
11
REF
W
W
= 4.096V, from code 20 to code 1023. See Figure 2.
CS/LD
SCK
D
U
U
IN
PARAMETER
CS/LD Pulse Width
LSB SCK High to CS/LD High
CS/LD Low to SCK High
SCK Low to CS/LD Low
CS/LD High to SCK Positive Edge
SCK Frequency
–1
–2
–3
–4
4
3
2
1
0
0
Integral Nonlinearity (INL)
t
256
5
CC
t
9
.
CODE
512
W
W
U
t
A
7
768
= 25 C.
t
1
A3
1662 G02
t
2
1023
CONDITIONS
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
Square Wave (Note 6)
The
CC
denotes the specifications which apply over the full operating temperature
= 5V,
A2
t
3
Note 4: Load is 10k in parallel with 100pF.
Note 5: V
codes k = 102 and k = 922.
Note 6: Guaranteed by design, not subject to test.
Note 7: One DAC output loaded.
t
4
A1
CC
= V
– 0.80
–0.20
–0.40
–0.60
0.75
0.60
0.40
0.20
REF
0
0
= 5V. DAC switched between 0.1V
Differential Nonlinearity (DNL)
X1
256
MIN
150
50
30
30
0
CODE
512
X0
t
6
TYP
– 14
– 5
30
3
0
768
1662 TD
t
11
FS
1662 G03
and 0.9V
1023
MAX
10
FS
; i.e.,
UNITS
MHz
ns
ns
ns
ns
ns