Datasheet

MAX2831/MAX2832
2.4GHz to 2.5GHz 802.11g/b
RF Transceivers with Integrated PA
10 ______________________________________________________________________________________
AC ELECTRICAL CHARACTERISTICS—Timing (continued)
(MAX2831 EV kit: V
CC_
= 2.8V, V
CCPA
= V
CCTXPA
= 3.3V, T
A
=+25°C, f
LO
= 2.437GHz, f
REF
= 40MHz, SHDN = CS = high, SCLK =
DIN = low, PLL loop bandwidth = 150kHz, and T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER CONDITIONS MIN TYP MAX UNITS
3-WIRE SERIAL-INTERFACE TIMING (See Figure 2)
SCLK Rising Edge to CS Falling
Edge Wait Time, t
CSO
6ns
Falling Edge of CS to Rising
Edge of First SCLK Time, t
CSS
6ns
DIN to SCLK Setup Time, t
DS
6ns
DIN to SCLK Hold Time, t
DH
6ns
SCLK Pulse-Width High, t
CH
6ns
SCLK Pulse-Width Low, t
CL
6ns
Last Rising Edge of SCLK to
Rising Edge of CS or Clock to
Load Enable Setup Time, t
CSH
6ns
CS High Pulse Width, t
CSW
20 ns
Time Between the Rising Edge of
CS and the Next Rising Edge of
SCLK, t
CS1
6ns
Clock Frequency, f
CLK
20 MHz
Rise Time, t
R
2ns
Fall Time, t
F
2ns
Note 1: Min and max limits are guaranteed by test at T
A
= +25°C and +85°C and guaranteed by design and characterization at
T
A
= -40°C. The power-on register settings are not production tested. Recommended register setting must be loaded after
V
CC
is supplied.
Note 2: Guaranteed by design and characterization.
Note 3: The nominal part-to-part variation of the RF gain step is ±1dB.
Note 4: Two tones at +25MHz and +48MHz offset with -35dBm/tone. Measure IM3 at 2MHz.
Note 5: Tx I/Q inputs = 100mV
RMS
.