LTC6990IDCB#TRPBF Linear Technology, LTC6990IDCB#TRPBF Datasheet - Page 4

• Manufacturer Part Number: LTC6990IDCB#TRPBF
• Description: IC MPU SUPERVISORY 6DFN
• Manufacturer: Linear Technology

Specifications of LTC6990IDCB#TRPBF

• Frequency: *
• Voltage - Supply: *
• Current - Supply: 235µA
• Operating Temperature: *
• Package / Case: 6-WFDFN Exposed Pad
• Count: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
LTC6990
temperature range, otherwise specifi cations are at T
(N
SYMBOL
Digital I/O
V
V
I
V
V
t
t
t
t
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC6990C is guaranteed functional over the operating
temperature range of –40°C to 85°C.
Note 3: The LTC6990C is guaranteed to meet specifi ed performance from
0°C to 70°C. The LTC6990C is designed, characterized and expected to
meet specifi ed performance from –40°C to 85°C but it is not tested or
QA sampled at these temperatures. The LTC6990I is guaranteed to meet
specifi ed performance from –40°C to 85°C. The LTC6990H is guaranteed
to meet specifi ed performance from –40°C to 125°C.
Note 4: Frequency accuracy is defi ned as the deviation from the f
equation, assuming R
4
OUT(MAX)
PD
ENABLE
r
f
IH
IL
OH
OL
DIV
= 1 to 128), R
PARAMETER
OE Pin Input Capacitance
OE Pin Input Current
High Level OE Pin Input Voltage
Low Level OE Pin Input Voltage
OUT Pin Hi-Z Leakage
Maximum Output Current
High Level Output Voltage
(Note 7)
Low Level Output Voltage
(Note 7)
Output Disable Propagation Delay V
Output Enable Time
Output Rise Time (Note 8)
Output Fall Time (Note 8)
SET
SET
is used to program the frequency.
= 25k to 800k, R
LOAD
CONDITIONS
OE = 0V to V
(Note 6)
(Note 6)
OE = 0V, DIVCODE ≥ 8, OUT = 0V to V
V
V
V
V
V
V
V
V
N
N
V
V
V
V
V
V
= ∞, C
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
DIV
DIV
= 5.5V
= 3.3V
= 2.25V
= 5.5V
= 3.3V
= 2.25V
= 5.5V
= 3.3V
= 2.25V
= 5.5V
= 3.3V
= 2.25V
= 5.5V
= 3.3V
= 2.25V
≤ 2, t
≥ 4, t
LOAD
A
OUT
MASTER
= 25°C. Test conditions are V
+
= 5pF unless otherwise noted.
OUT
= 1/f
The
= t
OUT
OUT
l
denotes the specifi cations which apply over the full operating
/N
DIV
Note 5: See Operation section, Table 1 and Figure 2 for a full explanation
of how the DIV pin voltage selects the value of DIVCODE.
Note 6: The OE pin has hysteresis to accommodate slow rising or falling
signals. The threshold voltages are proportional to V
be estimated at any supply voltage using V
and V
Note 7: To conform to the Logic IC Standard, current out of a pin is
arbitrarily given a negative value.
Note 8: Output rise and fall times are measured between the 10% and the
90% power supply levels with 5pF output load. These specifi cations are
based on characterization.
Note 9: Settling time is the amount of time required for the output to settle
within ±1% of the fi nal frequency after a 0.5x or 2x change in I
Note 10: Jitter is the ratio of the deviation of the period to the mean of the
period. This specifi cation is based on characterization and is not 100%
tested.
I
I
I
I
I
I
I
I
I
I
I
I
OH
OH
OH
OH
OH
OH
OL
OL
OL
OL
OL
OL
OE(FALLING)
= 1mA
= 16mA
= 1mA
= 10mA
= 1mA
= 8mA
= –1mA
= –16mA
= –1mA
= –10mA
= –1mA
= –8mA
+
+
≈ 0.48 • V
= 2.25V to 5.5V, OE = V
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
+
– 155mV.
0.7•V
MIN
5.45
4.84
3.24
2.75
2.17
1.58
+
t
PD
t
to 2•t
PD
OE(RISING)
+
5.48
5.15
3.27
2.99
2.21
1.88
0.02
0.26
0.03
0.22
0.03
0.26
TYP
±20
, DIVCODE = 0 to 15
2.5
to t
1.1
1.7
2.7
1.0
1.6
2.4
17
26
44
MASTER
OUT
+
≈ 0.55 • V
. Typical values can
0.3•V
MAX
0.04
0.54
0.05
0.46
0.07
0.54
±10
±10
SET
+
+
+ 185mV
.
UNITS
6990f
mA
nA
μA
pF
ns
ns
ns
μs
μs
ns
ns
ns
ns
ns
ns
V
V
V
V
V
V
V
V
V
V
V
V
V
V