LTC6990 Linear Technology, LTC6990 Datasheet - Page 9

• Manufacturer Part Number: LTC6990
• Description: TimerBlox: Voltage Controlled Silicon Oscillator
• Manufacturer: Linear Technology

BLOCK DIAGRAM
R1
R2
DIV
4
+
–
2 2
CONVERTER
GND
4-BIT A/D
1V
5
(S6 Package Pin Numbers Shown)
HALT OSCILLATOR
V
IF I
+
SET
+
–
< 500nA
V
SET
DIGITAL
FILTER
= 1V
I
SET
MASTER OSCILLATOR
t
MASTER
3
SET
R
SET
50k
1μs
•
V
I
SET
SET
MCLK
PROGRAMMABLE DIVIDER
÷1, 2, 4, 8, 16, 32, 64, 128
UNTIL SETTLED
Hi-Z BIT
Hi-Z OUTPUT
Hi-Z WHEN
DISABLED
POR
1
OE
6990 BD
6
OUT
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LTC6990
t
OUT
9
6990p