HSDL-3210 Просмотр технического описания (PDF) - Avago Technologies

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HSDL-3210

IrDA® Compliant Low Power 1.15 Mbit/s Infrared Transceiver

Avago Technologies 

Electrical and Optical Specifications

Specifications hold over the recommended operating conditions unless otherwise noted. Unspecified test conditions may be

anywhere in their operating range. All typical values are at 25°C and 3.0 V unless otherwise noted.

Parameter

Symbol Min.

Typ. Max. Units Conditions

Notes

Receiver

RXD Output Voltage

Logic High VOH

IOVCC -0.2

Logic Low VOL

0

Viewing Angle

2φ1/2

30

Peak Sensitivity Wavelength

λp

880

RXD Pulse Width (SIR)

tPW (SIR) 1

RXD Pulse Width (MIR)

tPW(MIR) 200

RXD Rise and Fall Times

tR, tF

25

Receiver Latency Time

tL

25

Receiver Wake Up Time

tRW

30

Transmitter

Radiant Intensity (SIR)

IEH

4

15

Radiant Intensity (MIR)

Peak Wavelength

IEH

9

30

λp

875

Spectral Line Half Width

Viewing Angle

∆λ1/2

35

2φ1/2

30

Optical Pulse Width (SIR)

tpw

1.41

1.6

Optical Pulse Width

(MIR, IOVCC ≥1.5 V)

tpw

148

217

Optical Rise and Fall Times (SIR)

tr (EI)

50

tf (EI)

IOVCC V

IOH=-200 µA, EI ≤0.3

µW/cm2

0.4 V

IOL=200 µA

8

°

nm

7.5 µs CL =10 pF

8,9

750 ns CL =10 pF

9

100 ns CL =10 pF

50 µs

10

100 µs

11

28.8 mW/Sr TA=25°C, θ1/2 ≤15°, TXD ≥ VIH

72

mW/Sr TA=25°C, θ1/2 ≤15°, TXD ≥ VIH

nm

nm

60 °

2.23 µs tpw(TXD) = 1.6 µs

260 ns

600 ns

tpw(TXD) = 217 ns

tpw(TXD) = 1.6 µs

Optical Rise and Fall Times (MIR)

tr (EI)

tf (EI)

30 40 ns tpw(TXD) = 1.6 µs

LED Current

On (SIR) IVLED

60 72

mA VVLED=VCC=3.6 V, VI(TXD) ≥ VIH

On (MIR) IVLED

150 180 mA VVLED=VCC=3.6 V, VI(TXD) ≥ VIH

Current Off IVLED

0.005 1

µs

VVLED=VCC=3.6 V, VI(TXD) ≤ VIL

Transceiver

TXD Input Current

High

IH

10 200 nA VI ≥ VIH

Low

IL

-10 -200 nA 0 ≤ VI ≤ VIL

Supply Current

Shutdown ICC1

0.01

µA VCC=3.6 V, VSD ≥ VCC - 0.5,

TA=25°C

Idle

ICC2

300 450 µA VCC=3.6 V, VI(TXD) ≤ VIL,EI=0

Active,

ICC3

Receive

0.8 3.0 mA VCC=3.6 V, VI(TXD) ≤ VIL 12,13

Notes:

7. An in-band optical signal is a pulse/sequence where the peak wavelength, λp, is defined as 850 nm ≤ λp ≤ 900 nm,

and the pulse characteristics are compliant with the IrDA Serial Infrared Physical Layer Link Specification.

8. For in band signals ≤ 1.152 Mbps where 9 µW/cm2 ≤ EI ≤ 500 mW/cm2.

9. For 0.576 Mbps ≤ in band signals ≤ 1.152 Mbps where 22.5 µW/cm2 ≤ EI ≤ 500 mW/cm2 .

10. Latency is defined as the time from the last TXD light output pulse until the receiver has recovered full sensitivity.

11. Receiver wake up time is measured from the SD pin high to low transition or VCC power on, to valid RXD output.

12. Typical values are at EI = 10 mW/cm2.

13. Maximum value is at EI = 500 mW/cm2.

6

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