max2850 Maxim Integrated Products, Inc., max2850 Datasheet - Page 6

• Manufacturer Part Number: max2850
• Description: 5ghz, 4-channel Mimo Transmitter
• Manufacturer: Maxim Integrated Products, Inc.

5GHz, 4-Channel MIMO Transmitter
AC ELECTRICAL CHARACTERISTICS—Tx MODE (continued)
(Operating conditions, unless otherwise specified: V
= 5.35GHz. Reference frequency = 40MHz, ENABLE = high, CS = high, SCLK = DIN = low, with power matching at TXRF+ and
TXRF- differential ports using the Typical Operating Circuit. 100mV
transmitter (differential DC-coupled). Typical values measured at V
AC ELECTRICAL CHARACTERISTICS—FREQUENCY SYNTHESIS
(Operating conditions, unless otherwise specified: V
frequency = 40MHz, ENABLE = high, CS = high, SCLK = DIN = low. Typical values measured at V
5.35GHz, T
6
Maximum Output Power
Output 1dB Gain Compression
Input 1dB Gain Compression
Gain-Control Range
Gain-Control Step
RF Output Return Loss
Unwanted Sideband
Carrier Leakage
Tx I/Q Input Impedance (R||C)
Baseband Filter Stopband
Rejection
Tx Calibration Ftone Level
Tx Calibration Gain Range
FREQUENCY SYNTHESIZER
RF Channel Center Frequency
Channel Center Frequency
Programming Step
Closed-Loop Integrated Phase
Noise
Charge-Pump Output Current
Spur Level
Reference Frequency
______________________________________________________________________________________
PARAMETER
PARAMETER
A
= +25NC.) (Note 1)
Adjust Local address 27 D2:D0
20MHz OFDM signal conforming to spectral emission
mask and -34dB EVM
40MHz OFDM signal conforming to spectral emission
mask and -34dB EVM
Relative to typical maximum output power at 9.5MHz
input frequency
At 19MHz input frequency, over input common-mode
voltage between 0.5V and 1.1V
Over RF channel, RF frequency, baseband frequency,
and gain settings (Note 2)
Over RF channel, RF frequency, and gain settings
(Note 2)
Minimum differential resistance
Maximum differential capacitance
At 30MHz frequency offset for 20MHz RF channel
At 60MHz frequency offset for 40MHz RF channel
At Tx gain code (Main address 9 D9:D4) = 100010 and
-15dBc carrier leakage (Local address 27 D2:D0 = 110
and Main address 1 D3:D0 = 0000)
Loop BW = 200kHz, integrate phase noise from 1kHz to
10MHz
f
f
OFFSET
OFFSET
= 0 to 19MHz
= 40MHz
CC
CC
= 2.7V~3.6V, RF frequency = 5.351GHz, T
CONDITIONS
CONDITIONS
= 2.7V~3.6V, frequency = 5.35GHz, T
CC
RMS
= 2.85V, channel bandwidths of 40MHz, T
sine and cosine signal applied to I/Q baseband inputs of
MIN
MIN
4.9
26
A
A
= -25NC to +85NC. LO frequency
= -25NC to +85NC. Reference
CC
76.294
TYP
31.5
TYP
= 2.85V, LO frequency =
380
0.5
-40
-29
-28
-35
0.8
-42
-66
11
60
86
67
35
40
-4
-4
-3
2
A
= +25NC.) (Note 1)
MAX
MAX
34.5
-15
5.9
dBV
mV
UNITS
UNITS
dBm
MHz
GHz
dBc
dBc
dBc
dBc
dBc
mA
dB
dB
dB
kI
dB
dB
Hz
pF
RMS
RMS