MAX2837 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2837 Datasheet PDF : 34 Pages
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MAX2837
2.3GHz to 2.7GHz Wireless
Broadband RF Transceiver
AC Electrical Characteristics—Miscellaneous Blocks
(MAX2837 evaluation kit: VCC_ = 2.8V, fREF = 40MHz, ENABLE = CS = high, SCLK = DIN = low, TA = +25°C, unless otherwise noted.)
(Note 1)
PARAMETER
CONDITIONS
PA BIAS DAC: CURRENT MODE
Numbers of Bits
Minimum Output Sink Current
D5:D0 = 000000 in A4:A0 = 11100
Maximum Output Sink Current D5:D0 = 111111 in A4:A0 = 11100
Compliance Voltage Range
Turn-On Time
Excludes programmable delay of 0 to 7µs in steps
of 0.5µs
DNL
PA BIAS DAC: VOLTAGE MODE
Output High Level
10mA source current
Output Low Level
10mA sink current
Turn-On Time
Excludes programmable delay of 0 to 7µs in steps
of 0.5µs
CRYSTAL OSCILLATOR
On-Chip Tuning Capacitance
Range
Maximum capacitance, A4:A0 = 11000,
D6:D0 =1111111
Minimum capacitance, A4:A0 = 11000,
D6:D0 =0000000
On-Chip Tuning Capacitance
Step Size
ON-CHIP TEMPERATURE SENSOR
Digital Output Code
Read-out at DOUT pin through SPI
A4:A0 = 00111, D4:D0
TA = +25°C
TA = +85°C
TA = -40°C
MIN TYP MAX UNITS
6
Bits
0
µA
310
µA
0.8
2.0
V
200
ns
1
LSB
VCC -0.2
V
0.1
V
200
ns
15.5
pF
0.5
0.12
pF
01111
11101
00001
AC Electrical Characteristics—Timing
(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
SYSTEM TIMING
Turnaround Time
SYMBOL
CONDITIONS
Measured from Tx or Rx to Tx
Rx enable rising edge;
signal settling to within
0.5dB of steady state Tx to Rx, RXHP = 1
MIN TYP MAX UNITS
2
µs
2
Tx Turn-On Time
(from Standby Mode)
Measured from Tx enable rising edge; signal
settling to within 0.5dB of steady state
2
µs
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