Ac electrical characteristics (continued) – Rainbow Electronics MAX7032 User Manual
Page 5
MAX7032
Low-Cost, Crystal-Based, Programmable,
ASK/FSK Transceiver with Fractional-N PLL
_______________________________________________________________________________________
5
AC ELECTRICAL CHARACTERISTICS (continued)
(Typical Application Circuit, 50
Ω system impedance, AV
DD
= DV
DD
= PAV
DD
= HV
IN
= +2.1V to +3.6V, f
RF
= 300MHz to 450MHz, T
A
=
-40°C to +125°C, unless otherwise noted. Typical values are at PAV
DD
= AV
DD
= DV
DD
= HV
IN
= +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
Maximum Crystal Inductance
50
mH
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