HT16G2T4 Ver la hoja de datos (PDF) - Holtek Semiconductor

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HT16G2T4

216/212 RF Encoder

Holtek Semiconductor 

HT16x2Tx/HT12x2Tx

216/212 RF Encoder

Absolute Maximum Ratings

Logic Supply Voltage ........................................................................................................ 2V to 3.6V

Logic Input Voltage ......................................................................................... VSS-0.3V to VDD+0.3V

Storage Temperature ................................................................................................... -55°C to 150°C

Operating Temperature ................................................................................................. -40°C to 85°C

Note: These are stress ratings only. Stresses exceeding the range specified under “Absolute Maximum

Ratings” may cause substantial damage to the device. Functional operation of this device at other

conditions beyond those listed in the specification is not implied and prolonged exposure to extreme

conditions may affect device reliability.

Specifications apply for VDD = 3.0V, Ta = 25°C, Freq X’talOSC = 13.560MHz, EN = VDD. Bold values indicate

–20°C to70°C unless otherwise noted. 1kbps data rate 50% duty cycle. RL 50ohm load (matched)

Symbol

Parameter

VIH “H” Input Voltage

VIL “L” Input Voltage

RPH Pull-high Resistance

Td

One bit data width for

HT12x2Tx/HT16x2Tx

Test Conditions

VDD

Conditions

—

—

—

—

3 Dx

3

—

Min. Typ. Max. Units

0.8VDD —

—

V

—

— 0.2VDD V

—

150

—

KΩ

0.9

1.0

1.1

ms

I1

Data High Current

I0

Data Low current

3V

@ 315MHz, POUT = +10dBm

@ 433.92MHz

3V

@ 315MHz

@ 433.92 MHz

— 13.5 —

mA

—

3.0

—

mA

ISTBY DIN disabled current

3V

—

—

1

—

µA

RF and Crystal

— Output power level

—

Harmonic output for

315 MHz

3V

@315MHz, VDD=3.3V

@433.92MHz, VDD=3.3V

3V

@630MHz, 2nd harm.

@945MHz, 3rd harm.

—

10

— dBm

—

-43

-52

—

dBc

—

Harmonic output for

433.92 MHz

3V

@867.84MHz, 2nd harm.

@1301.76MHz, 3rd harm.

—

-40

-47

—

dBc

—

Extinction ratio for ASK

10Kbps

3V

—

—

70

—

dBc

— Occupied Bandwidth

3V

@315MHz

@433.92MHz

—

<700

<1000

—

kHz

—

315 MHz Single Side

Band Phase Noise

3V

@ 100kHz from Carrier

@ 1000kHz from Carrier

—

-73

-77

— dBc/Hz

—

433.92 MHz Single

Side Band Phase Noise

3V

@ 100kHz from Carrier

@ 1000kHz from Carrier

—

-72

-76

— dBc/Hz

— XTLIN, XTLOUT

3V Pin capacitance

—

2

—

pF

See application circuit C3, C4

— External Capacitance 3V @315MHz

@433.92MHz

—

15

18

—

pF

— Output Blanking

3V

STDBY transition from LOW to

HIGH (=Pilot period)

—

12

—

bits

—

ASK to RF Out

Response Time

Delta between ASK Input Transition

3V from Low to High to RF Output

—

1

—

μs

Transition from Low to High

Rev. 1.00

4

January 28, 2011

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