DS1090U Maxim Integrated Products, DS1090U Datasheet - Page 6

• Manufacturer Part Number: DS1090U
• Description: Timers & Support Products Low-Frequency, Sprea d-Spectrum EconOscil
• Manufacturer: Maxim Integrated Products

Specifications of DS1090U

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Low-Frequency, Spread-Spectrum
EconOscillator
6
PIN
1
2
3
4
5
6
7
8
R
GND
V
JC0
JC1
SET
_____________________________________________________________________
CC
J0
J1
NAME
R
GND
OUT
V
JC0
JC1
J0
J1
SET
CC
V
CC
Oscillator Output
Frequency Control Resistor Input
Positive-Supply Terminal
Ground
Dither Amplitude (Percentage) Inputs
(see Table 2)
Dither Rate Divisor Inputs (see Table 1)
BIAS CIRCUIT
VOLTAGE-
+
+
∑
Pin Description
FUNCTION
+
-
(0, 2, 4, OR 8%)
AMPLITUDE
DITHER
OSCILLATOR
4MHz–8MHz
MASTER
(VCO)
f MOD
DITHER GENERATOR
GENERATOR
TRIANGLE
f
MOSC
(÷ 128)
(÷ 1, 2, 4, 8, 16, OR 32)
PROGRAMMED
PRESCALER
FACTORY
DS1090
(÷ 4, 8, 16, OR 32)
DITHER RATE
f
OSC
Block Diagram
BUFFER
f
OUT
OUT