S-5855AACB-I4T1U datasheet(9/27 Pages) SII

Part #	S-5855AACB-I4T1U

Description	PWM OUTPUT TEMPERATURE SENSOR IC

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Manufacturer	SII [Seiko Instruments Inc]

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PWM OUTPUT TEMPERATURE SENSOR IC

Rev.1.2_01

S-5855A Series

9

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

−3 %/°C

Table 9

(Ta = TSP5, VDD = 3.0 V , VSS = 0 V, CFREQ = 6.8 nF, unless otherwise specified)

Items

Symbol

Conditions

Min.

Typ.

Max.

Unit

Test circuit

Duty ratio accuracy

Dsp5

VDD = 3.0 V

76.0

85.0

94.0

%

2

VDD = 1.65 V to 5.5 V

73.0

85.0

97.0

%

2

Duty ratio temperature

sensitivity

Ddt(E)*1

Ta = TSP5*2,

TEM5*3

VDD = 3.0 V

−3.6

−3.0

−2.4

%/

°C

2

VDD = 1.65 V to 5.5 V

−3.78

−3.0

−2.28

%/

°C

2

Oscillation frequency

fOSC

Ta = TSP5

VDD = 3.0 V

1900

2240

2570

Hz

2

VDD = 1.65 V to 5.5 V

1810

2240

2700

Hz

2

Ta = TEM5

VDD = 3.0 V

1620

2240

2950

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)

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

−4 %/°C

Table 10

(Ta = TSP5, VDD = 3.0 V , VSS = 0 V, CFREQ = 10 nF, unless otherwise specified)

Items

Symbol

Conditions

Min.

Typ.

Max.

Unit

Test circuit

Duty ratio accuracy

Dsp5

VDD = 3.0 V

68.0

80.0

92.0

%

2

VDD = 1.65 V to 5.5 V

64.0

80.0

96.0

%

2

Duty ratio temperature

sensitivity

Ddt(E)*1

Ta = TSP5*2,

TEM5*3

VDD = 3.0 V

−4.8

−4.0

−3.2

%/

°C

2

VDD = 1.65 V to 5.5 V

−5.05

−4.0

−3.04

%/

°C

2

Oscillation frequency

fOSC

Ta = TSP5

VDD = 3.0 V

1730

2030

2330

Hz

2

VDD = 1.65 V to 5.5 V

1640

2030

2440

Hz

2

Ta = TEM5

VDD = 3.0 V

1470

2030

2680

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-5855AACB-I4T1U Datasheet(PDF) 9 Page - Seiko Instruments Inc

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