Datasheet

MAX7032
Low-Cost, Crystal-Based, Programmable,
ASK/FSK Transceiver with Fractional-N PLL
_______________________________________________________________________________________ 5
AC ELECTRICAL CHARACTERISTICS (continued)
( Typical Application Circuit , 50Ω system impedance, V
AVDD
= V
DVDD
= V
PAVDD
= V
HVIN
= +2.1V to +3.6V, f
RF
= 300MHz to 450MHz,
T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at V
PAVDD
= V
AVDD
= V
DVDD
= V
HVIN
= +2.7V, T
A
= +25°C, unless
otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Gain 15 mV/dB
FSK DEMODULATOR
Conversion Gain 2.0 mV/kHz
ANALOG BASEBAND
Maximum Data Filter Bandwidth 50 kHz
Maximum Data Slicer Bandwidth 100 kHz
Maximum Peak Detector
Bandwidth
50 kHz
Manchester coded 33
Maximum Data Rate
NRZ 66
kbps
CRYSTAL OSCILLATOR
Crystal Frequency f
XTAL
(f
RF
- 10.7)/24 MHz
Frequency Pulling by V
DD
2 ppm/V
Crystal Load Capacitance (Note 7) 4.5 pF
SERIAL INTERFACE TIMING CHARACTERISTICS (see Figure 7)
Minimum SCLK Setup to Falling
Edge of CS
t
SC
30 ns
Minimum CS Falling Edge to
SCLK Rising-Edge Setup Time
t
CSS
30 ns
Minimum CS Idle Time t
CSI
125 ns
Minimum CS Period t
CS
2.125 µs
Maximum SCLK Falling Edge to
Data Valid Delay
t
DO
80 ns
Minimum Data Valid to SCLK
Rising-Edge Setup Time
t
DS
30 ns
Minimum Data Valid to SCLK
Rising-Edge Hold Time
t
DH
30 ns
Minimum SCLK High Pulse Width t
CH
100 ns
Minimum SCLK Low Pulse Width t
CL
100 ns
Minimum CS Rising Edge to
SCLK Rising-Edge Hold Time
t
CSH
30 ns
Maximum CS Falling Edge to
Output Enable Time
t
DV
25 ns
Maximum CS Rising Edge to
Output Disable Time
t
TR
25 ns