TSL230R-LF datasheet(3/8 Pages) TAOS

3 / 8 page

TSL230R−LF, TSL230AR−LF, TSL230BR−LF

PROGRAMMABLE LIGHT-TO-FREQUENCY CONVERTERS

TAOS079A − OCTOBER 2006

The LUMENOLOGY r Company

www.taosinc.com

Electrical Characteristics at TA = 25°C, VDD = 5 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

High-level output voltage

IOH = −4 mA

4.5

VOL

Low-level output voltage

IOL = 4 mA

0.25

0.4

IIH

High-level input current

μA

IIL

Low-level input current

μA

Supply current

Power-on mode

IDD

Supply current

Power-down mode

μA

F.S.

Full-scale frequency†

1.1

MHz

Temperature coefficient of output frequency

λ ≤ 700 nm

± 150

ppm/°C

kSVS

Supply voltage sensitivity

VDD = 5 V ±10%

± 0.5

%/ V

† Full-scale frequency is the maximum operating frequency of the device without saturation.

Operating Characteristics at VDD = 5 V, TA = 25°C, Ee = 130 μW/cm2, λp = 640 nm (unless otherwise

noted)

PARAMETER

TEST CONDITIONS

TSL230R−LF

TSL230AR−LF

TSL230BR−LF

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

MIN

TYP

MAX

UNIT

S0 = S1 = H,

S2 = S3 = L

100

120

100

110

100

105

kHz

S1 = H,

S0 = S2 = S3 = L

9.5

10.5

kHz

S0 = H,

S1 = S2 = S3 = L

0.8

1.2

0.9

1.1

0.95

1.05

kHz

Output frequency

S0 = S1 = S2 = H,

S3 = L

47.5

52.5

kHz

S0 = S1 = S3 = H,

S2 = L

9.5

10.5

kHz

S0 = S1 = S2 = S3 = H

0.8

1.2

0.9

1.1

0.95

1.05

kHz

Ee = 0, S0 = S1 = H,

S2 = S3 = L

0.4

Responsivity

S0 = S1 = H,

S2 = S3 = L

0.77

kHz/

(μW/

cm2)

Output pulse

S2 = S3 = L

125

600

125

600

125

600

Output pulse

duration

S2 or S3 = H

1/2fO

fO = 0 MHz to 10 kHz

± 0.1%

%F.S.

Nonlinearity ‡#

fO = 0 MHz to 100 kHz

± 0.2%

%F.S.

Nonlinearity

fO = 0 MHz to 1 MHz

± 0.5%

%F.S.

Recovery from

power down

100

μs

Step response to

full-scale step input

1 pulse of new frequency plus 1 μs

Response time to

programming

change

2 periods of new principal frequency plus 1 μs§

Response time to

output enable (OE)

150

‡ Nonlinearity is defined as the deviation of fO from a straight line between zero and full scale, expressed as a percent of full scale.

# Nonlinearity test condition: S0 = S1 = H, S2 = S3 = L.

§ Principal frequency is the internal oscillator frequency, equivalent to divide-by-1 output selection.

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