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OL2300 Datasheet

Fractional-N PLL based transmitter

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OL2300
Fractional-N PLL based transmitter
Rev. 2 — 28 October 2010
Product data sheet
1. General description
The OL2300 is a UHF ASK/FSK fractional-N transmitter with a fully integrated fractional-N
Phase-Locked Loop (PLL) frequency synthesizer and a power amplifier to drive an
external antenna.
The OL2300 is especially designed for use in the Industrial Scientific Medical (ISM)
frequency bands (315/434/868/915 MHz). Fine-tuning of the reference oscillator by
means of fractional-N synthesis allows the compensation of manufacturing tolerances of
the crystal. The device also includes an adjustable output power capability.
The OL2300 can be used for both ASK and FSK modulation with chip rates up to
112 kcps. Due to the high-level of integration, few external components are needed to
construct a complete transmitter.
2. Features and benefits
„ Fully integrated fractional-N PLL frequency synthesizer
„ Integrated VCO without external components
„ Independent Power-down modes for oscillator and PLL
„ Operating frequency: 315/434/869/915 MHz ISM/SRD bands
„ OOK/ASK/FSK modulation
„ Software programmable output power
„ Software programmable modulation index for ASK
„ Software programmable frequency deviation for FSK
„ Software programmable multi channel capability
„ Software programmable crystal trimming capability
„ Low power operation
„ Very low external component count
„ Low pin-count
„ Very small package


NXP Semiconductors Electronic Components Datasheet

OL2300 Datasheet

Fractional-N PLL based transmitter

No Preview Available !

NXP Semiconductors
OL2300
Fractional-N PLL based transmitter
3. Ordering information
Table 1. Ordering information
Type number Package
Temperature range Name
OL2300NHN 25 °C to +85 °C
HVQFN16[1]
Description
plastic thermal enhanced very thin quad flat package;
no leads; 16 terminals; body 3 × 3 × 0.85 mm
Version
SOT758-1
[1] When the exposed die attach pad is used, it must be connected to GND.
4. Functional diagram
OL2300
TEST2
TEST1/SDO
EN
SCK
SDIO
CKOUT
TEST LOGIC
BAUD-RATE
SPI GENERATOR
CONTROL LOGIC
20
SPECIAL FUNCTION
REGISTER
FREQUENCY CONTROL
VDD
VREG
VDDA
VDDD(PA)
VSSA
VSS
XTAL2
XTAL1
POWER SUPPLY
POWER DOWN LOGIC
VOLTAGE REGULATOR
OSCILLATOR
XOSL
OSC
/2
fREF
PLL
/64...71
fVCO FBSL
PFD CP LPF VCO
/2
Fig 1. Functional block diagram
POWER
AMPLIFIER
CONTROL
POWER AMPLIFIER
PAOUT
VSS(PA)
001aak379
OL2300
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 28 October 2010
© NXP B.V. 2010. All rights reserved.
2 of 46


Part Number OL2300
Description Fractional-N PLL based transmitter
Maker NXP
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OL2300 Datasheet PDF






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