LTC6908IDCB-1#TRM Linear Technology, LTC6908IDCB-1#TRM Datasheet - Page 3

• Manufacturer Part Number: LTC6908IDCB-1#TRM
• Description: SC-Timing, 2 Phase 10kHz - 10MHz Oscillator W/SSFM
• Manufacturer: Linear Technology

Specifications of LTC6908IDCB-1#TRM

• Lead Free Status / Rohs Status: Not Compliant

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
noted. The modulation is turned off (MOD is connected to OUT2) unless otherwise specifi ed. R
from the SET pin to the V
SYMBOL
Δf
R
Δf
Δf
V
I
V
V
I
V
V
t
t
S
MOD
r
f
+
IH_MOD
IL_MOD
OH
OL
SET
OUT
OUT
OUT
/ΔT
/ΔV
+
PARAMETER
Frequency Accuracy (Note 4)
Frequency Setting Resistor Range
Frequency Drift Over Temperature
Frequency Drift Over Supply (Note 4) V
Period Variation
(Frequency Spreading)
Long-Term Stability of Output
Frequency (Note 8)
Duty Cycle (Note 5)
Operating Supply Range
Power Supply Current
High Level MOD Input Voltage
Low Level MOD Input Voltage
MOD Pin Input Current (Note 6)
High Level Output Voltage (Note 6)
(OUT1, OUT2)
Low Level Output Voltage (Note 6)
Output Rise Time (Note 7)
Output Fall Time (Note 7)
+
pin.
CONDITIONS
V
V
V
V
R
V
R
No Modulation, 250kHz ≤ f
R
V
V
R
V
V
MOD Pin = V
MOD Pin = GND, V
V
V
V
V
V
V
V
V
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
SET
SET
SET
SET
= 2.7V
= 5V
= 2.7V
= 5V
= 2.7V to 3.6V, R
= 4.5V to 5.5V, R
= 5V
= 2.7V
= 5V
= 2.7V
= 5V
= 2.7V
= 5V
= 2.7V
= 5V
= 2.7V
= 5V
= 2.7V
= 100k
= 100k, MOD Pin = V
= 2000k, R
= 20k, R
A
= 25°C. Test conditions are V
+
L
, V
= ∞, f
L
The
+
= ∞, f
= 5V
+
SET
SET
= 5V
OUT
250kHz ≤ f
250kHz ≤ f
50kHz ≤ f
250kHz ≤ f
250kHz ≤ f
50kHz ≤ f
5MHz < f
| Δf
| Δf
| Δf
| Δf
| Δf
| Δf
| Δf
I
I
I
I
I
I
I
I
●
OH
OH
OH
OH
OL
OL
OL
OL
OUT
= 100k
= 100k
denotes the specifi cations which apply over the full operating
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 0.3mA
= 1.2mA
= 0.3mA
= 0.8mA
= 5MHz, MOD Pin = GND
= –0.3mA
= –1.2mA
= –0.3mA
= –0.8mA
+
OUT
, GND or OPEN
= 50kHz, MOD Pin = V
| ≤ 1.5%
| ≤ 2.5%
| ≤ 3.5%
| ≤ 2%
| ≤ 3%
| ≤ 4%
| ≤ 4.5%
OUT
OUT
OUT
≤ 1MHz
OUT
OUT
OUT
OUT
≤ 10MHz
< 250kHz
< 250kHz
≤ 5MHz
≤ 5MHz
≤ 5MHz
≤ 5MHz
+
LTC6908-1/LTC6908-2
= 2.7V to 5.5V, R
+
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
SET
V
is defi ned as the resistor connected
+
±7.5
4.75
2.35
1.85
MIN
400
400
2.7
4.4
20
20
20
20
10
45
–4
– 0.4
L
= 5k, C
±0.004
±0.5
±2.5
±2.5
±3.5
0.04
1.25
0.05
TYP
±10
300
0.4
0.4
0.4
0.9
4.9
4.7
2.6
2.2
0.2
0.1
0.4
±2
±1
±3
50
–2
11
2
6
5
9
L
= 5pF unless otherwise
±12.5
2000
2000
MAX
±1.5
±2.5
±3.5
±4.5
0.25
0.65
0.15
400
400
400
400
0.9
5.5
0.6
1.7
1.3
0.4
0.5
0.3
0.7
±2
±3
±4
20
55
4
ppm/√kHr
690812fa
UNITS
%/°C
3
%/V
%/V
mA
mA
mA
mA
µA
µA
ns
ns
ns
ns
%
%
%
%
%
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V
k
k
k
k
k
k
k