MAX2837ETM-TD 查看數據表（PDF） - Maxim Integrated
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MAX2837ETM-TD Datasheet PDF : 34 Pages
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MAX2837
2.3GHz to 2.7GHz Wireless
Broadband RF Transceiver
AC Electrical Characteristics—Timing (continued)
(MAX2837 evaluation kit: VCC_ = 2.8V, fLO = 2.5GHz, fREF = 40MHz, ENABLE = CS = high, SCLK = DIN = low, PLL loop bandwidth
= 120kHz, TA = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
Tx Turn-Off Time
(to Standby Mode)
SYMBOL
CONDITIONS
From Tx enable falling edge
MIN TYP MAX UNITS
0.1
µs
Rx Turn-On Time
(from Standby Mode)
Measured from Rx enable rising edge; signal
settling to within 0.5dB of steady state
2
µs
Rx Turn-Off Time
(to Standby Mode)
From Rx enable falling edge
4-WIRE SERIAL-INTERFACE TIMING (See Figure 1)
SCLK Rising Edge to CS Falling
Edge Wait Time
tCSO
Falling Edge of CS to Rising Edge
of First SCLK Time
tCSS
DIN to SCLK Setup Time
DIN to SCLK Hold Time
SCLK Pulse-Width High
SCLK Pulse-Width Low
Last Rising Edge of SCLK to
Rising Edge of CS or Clock to
Load Enable Setup Time
tDS
tDH
tCH
tCL
tCSH
0.1
µs
6
ns
6
ns
6
ns
6
ns
6
ns
6
ns
6
ns
CS High Pulse Width
Time Between Rising Edge
of CS and the Next Rising Edge
of SCLK
tCSW
tCS1
20
ns
6
ns
Clock Frequency
Rise Time
Fall Time
SCLK Falling Edge to Valid
DOUT
fCLK
tR
tF
tD
45
fCLK / 10
fCLK / 10
12.5
MHz
ns
ns
ns
Note 1: Min and max limits guaranteed by test above TA = +25°C and guaranteed by design and characterization at TA = -40°C.
The power-on register settings are not production tested. Recommended register setting must be loaded after VCC is sup-
plied.
Note 2: Two tones at +25MHz and +39MHz offset with -35dBm/tone. Measure IM3 at 1MHz.
Note 3: Gain adjusted over max gain and max gain - 3dB. Optimally matched over given 200MHz band.
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