S-5855AEAA-M5T1U datasheet(8/27 Pages) SII

Part #	S-5855AEAA-M5T1U

Description	PWM OUTPUT TEMPERATURE SENSOR IC

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Manufacturer	SII [Seiko Instruments Inc]

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PWM OUTPUT TEMPERATURE SENSOR IC

S-5855A Series

Rev.1.2_01

8

2. Product with duty ratio temperature sensitivity Ddt(s) =

−1 %/°C

Table 7

(Ta = TSP5, VDD = 3.0 V , VSS = 0 V, CFREQ = 2.2 nF, unless otherwise specified)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Test circuit

Duty ratio accuracy

Dsp5

VDD = 3.0 V

92.0

95.0

98.0

%

2

VDD = 1.65 V to 5.5 V

91.0

95.0

99.0

%

2

Duty ratio temperature

sensitivity

Ddt(E)*1

Ta = TSP5*2,

TEM5*3

VDD = 3.0 V

−1.2

−1.0

−0.8

%/

°C

2

VDD = 1.65 V to 5.5 V

−1.26

−1.0

−0.76

%/

°C

2

Oscillation frequency

fOSC

Ta = TSP5

VDD = 3.0 V

1950

2300

2650

Hz

2

VDD = 1.65 V to 5.5 V

1860

2300

2780

Hz

2

Ta = TEM5

VDD = 3.0 V

1670

2300

3040

Hz

2

*1. Ddt(E): Actual duty ratio temperature sensitivity

*2. TSP5:

Temperature 5

°C higher than duty ratio change-start temperature TS (Refer to Table 12 for details)

*3. TEM5:

Higher temperature when measuring duty ratio temperature sensitivity (Refer to Table 12 for details)

3. Product with duty ratio temperature sensitivity Ddt(s) =

−2 %/°C

Table 8

(Ta = TSP5, VDD = 3.0 V , VSS = 0 V, CFREQ = 4.7 nF, unless otherwise specified)

Item

Symbol

Conditions

Min.

Typ.

Max.

Unit

Test circuit

Duty ratio accuracy

Dsp5

VDD = 3.0 V

84.0

90.0

96.0

%

2

VDD = 1.65 V to 5.5 V

82.0

90.0

98.0

%

2

Duty ratio temperature

sensitivity

Ddt(E)*1

Ta = TSP5*2,

TEM5*3

VDD = 3.0 V

−2.4

−2.0

−1.6

%/

°C

2

VDD = 1.65 V to 5.5 V

−2.52

−2.0

−1.52

%/

°C

2

Oscillation frequency

fOSC

Ta = TSP5

VDD = 3.0 V

1840

2160

2740

Hz

2

VDD = 1.65 V to 5.5 V

1750

2160

2600

Hz

2

Ta = TEM5

VDD = 3.0 V

1560

2160

2850

Hz

2

*1. Ddt(E): Actual duty ratio temperature sensitivity

*2. TSP5:

Temperature 5

°C higher than duty ratio change-start temperature TS (Refer to Table 12 for details)

*3. TEM5:

Higher temperature when measuring duty ratio temperature sensitivity (Refer to Table 12 for details)

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S-5855AEAA-M5T1U Datasheet(PDF) 8 Page - Seiko Instruments Inc

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