AM313 datasheet(2/4 Pages) AME

2 / 4 page

IC FOR PROXIMITY DETECTOR

AM 313

analog microelectronics

April 2005

2/4

ELECTRICAL SPECIFICATIONS

Tamb = 25°C, VCC = 4.75 to 35 V

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Supply Current

ICC

VCC = 4.75V, IRd = 0µA

0.6

0.9

1.2

VCC = 4.75V, IRd = 220µA

1.2

1.5

1.8

VCC = 35V, IRd = 0µA

0.8

1.1

1.5

Output Source Current

IQL (res. IQ)

VCabt = 2V, VCC = 35V

100

150

200

µA

Output Sink Current

IQL

without external RS

100

150

200

µA

Max. Current

IQL = f (RS)

RS = 5Ω

Low Output Voltage

UQL

Iext = 100 µA

0.6

0.9

1.2

High Output Voltage

UQ (res. UQ)

VCgl = 2V, VCC = 4.75V

4.45

4.75

LED Output Current

ILED

2.8

Short Circuit Detection Threshold Um

250

300

350

Current Short Circuits

ION

VCabt = 2V, VRm = 1V

150

µA

IOFF

VCabt = 1V, VRm = 1V

–1.7

–1.2

–0.7

µA

TYPICAL PERFORMANCE CHARACTERISTICS

VCC = 5V

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Scanning Duty Cycle

TON

Cabt = 0nF, Um = 1V

µs

(in Short Circuit Mode)

Cabt = 1nF, Um = 1V

µs

TOFF

Cabt = 0nF, Um = 1V

350

µs

Cabt = 1nF, Um = 1V

2.0

TOFF /TON

Cabt = 0nF

Cabt = 1nF

100

Power–On–Delay

Tabt

Cabt = 0nF

380

µs

Cabt = 1nF

2.3

Oscillator Frequency

fOsc

depends on LC res.

0.05

2.6

MHz

Oscillator Amplitude

VOsc

1.2

Vpp

Detection Frequency

fdet

(fOsc = 770kHz, Q = 16)

kHz

Detection Distance Res.

Ω

Hysteresis Resistor

Rh >> Rd

Ω

Det. Distance Temp. Comp. Res.

external

1.4

Ω

Rectifier Filter Capacitor

Cglext

depends on fOsc

(Cglint = 150pF)

150

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