MAX2832ETMT Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2832ETMT Datasheet PDF : 34 Pages
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2.4GHz to 2.5GHz 802.11g/b
RF Transceivers with Integrated PA
AC ELECTRICAL CHARACTERISTICS—Miscellaneous Blocks
(MAX2831 EV kit: VCC_ = 2.8V, VCCPA = VCCTXPA = 3.3V, fLO = 2.437GHZ, fREF = 40MHz, SHDN = CS = high, SCLK = DIN = low,
and TA = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
CRYSTAL OSCILLATOR
On-Chip Tuning Capacitance
Range
Maximum capacitance, A3:A0 = 1110, D6:D0 = 1111111
Minimum capacitance, A3:A0 = 1110, D6:D0 = 0000000
15.4
pF
0.5
On-Chip Tuning Capacitance
Step Size
0.12
pF
ON-CHIP TEMPERATURE SENSOR
Output Voltage
A3:A0 = 1000, D9:D8 = 01
TA = -40°C
TA = +25°C
TA = +85°C
0.35
1
V
1.6
AC ELECTRICAL CHARACTERISTICS—Timing
(MAX2831 EV kit: VCC_ = 2.8V, VCCPA = VCCTXPA = 3.3V, TA =+25°C, fLO = 2.437GHz, fREF = 40MHz, SHDN = CS = high, SCLK =
DIN = low, PLL loop bandwidth = 150kHz, and TA = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
SYSTEM TIMING (See Figure 3)
Turn-On Time
From SHDN rising edge to LO settled within 1kHz using
60
µs
external reference frequency input
Crystal Oscillator Turn-On Time
Channel Switching Time
90% of final output amplitude level
Loop BW = 150kHz, fRF = 2.5GHz to 2.4GHz
1
ms
25
µs
Rx/Tx Turnaround Time
Measured from Tx or Rx
enable rising edge; signal
settling to within ±2dB of
steady state
Rx to Tx
Tx to Rx, RXHP = 1
2
µs
2
Tx Turn-On Time (from Standby
Mode)
Tx Turn-Off Time (from Standby
Mode)
Rx Turn-On Time (from Standby
Mode)
Rx Turn-Off Time (from Standby
Mode)
From Tx-enable active rising edge; signal settling to
within ±2dB of steady state
From Tx-enable inactive rising edge
From Rx-enable active rising edge; signal settling to
within ±2dB of steady state
From Rx-enable inactive rising edge
1.5
µs
1
µs
1.9
µs
0.1
µs
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