STLC4420A 查看數據表（PDF） - STMicroelectronics

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STLC4420A

Single chip 802.11b/g/a WLAN radio

STMicroelectronics 

Electrical specifications

STLC4420A

Table 2. General electrical specifications (continued)

Parameter

Test condition / comment

Min.

CCK Output Power Case 3: Set TX AGC to obtain this

OFDM Output Power Pout

Output Noise Floor Carrier offsets 0 to 10MHz

Carrier offsets >20MHz

CCK Output Power Case 4: Set TX AGC to obtain this

Pout

OFDM Output Power

Output Noise Floor Carrier offsets 0 to 10 MHz

Carrier offsets >20 MHz

CCK Output Power Case 5: Set TX AGC to obtain this

Pout

OFDM output power

Output noise floor

Carrier offsets 0 to 10 MHz Carrier

offsets >20 MHz

External power amplifier detector ADC specifications

Full scale input

voltage

At input of ADC

0

Maximum input

voltage

Input resistance

At PA_DETx input -- 16 tap

resistive divider tap node

Input capacitance

External power amplifier BIAS DAC specifications

Full scale output

current

At voltage output compliance >

1.8 V

At voltage output compliance =

1.8 V

At -40°C, full scale output

current < 2.5mA, VDD_BIAS =

3.15 V

Output voltage

compliance

Note: An external

resistor at PA_RREF

pin determines the

full scale output

current.

At +25°C, full scale output

current < 2.5mA, VDD_BIAS =

3.15 V

At +100°C, full scale output

current < 2.5mA, VDD_BIAS =

3.15 V

Full temperature range, scale

output current <= 5mA, VDD_BIAS

= 3.15 V

Typ.

-17

-26

-27

-36

-37

-46

Max.

-140

Units

dBm

dBm

dBm/Hz

-143 dBm/Hz

-142.5

dBm

dBm

dBm/Hz

-145.5 dBm/Hz

-145

dBm

dBm

dBm/Hz

-148 dBm/Hz

1.0

V

VDDA

V

30K

Ohm

0.5

pF

2.5

mA

5

mA

2.85

V

2.75

V

2.55

V

1.8

V

18/40

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