Datasheet > 33972T

33972T

更新时间： 2022-12-26 14:42:17

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		/
页数	文件大小	规格书
32页	1505K
描述
Multiple Switch Detection Interface with Suppressed Wake-up

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33972T 数据手册

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

Table 4. Static Electrical Characteristics

Characteristics noted under conditions 3.1 V ≤ V_DD≤ 5.25 V, 8.0 V ≤ V_PWR≤ 16 V, -40°C ≤ T_C≤ 125°C, unless otherwise

noted.(7) Where applicable, typical values reflect the parameter’s approximate average value with V_PWR= 13 V, T_A= 25°C.

Characteristic

Symbol

Min

Typ

Max

Unit

POWER INPUT

Supply Voltage

Supply Voltage Range Quasi-functional⁽⁸⁾

Fully Operational

5.5

8.0

–

8.0

(

)

PWR QF

PWR(FO)

PWR(QF)

Supply Voltage Range Quasi-functional⁽⁸⁾

38/40

Supply Current

PWR(ON)

All Switches Open, Normal Mode, Tri-state Disabled

–

2.0

4.0

Sleep State Supply Current

μA

PWR(SS)

Scan Timer = 64 ms, Switches Open

–

100

Logic Supply Voltage

3.1

5.25

Logic Supply Current

All Switches Open, Normal mode

–

0.25

0.5

Sleep State Logic Supply Current

Scan Timer = 64 ms, Switches Open

μA

DD(SS)

SWITCH INPUT

Pulse Wetting Current Switch-to-Battery (Current Sink)

Pulse Wetting Current Switch-to-Ground (Current Source)

Sustain Current Switch-to-Battery Input (Current Sink)

Sustain Current Switch-to-Ground Input (Current Source)

Sustain Current Matching Between Channels on Switch-to-Ground I/Os

PULSE

1.8

2.0

2.2

SUSTAIN

MATCH

I_SUS(MAX)

SUS(MIN)

–

2.0

4.0

X 100

I_SUS(MIN)

Input Offset Current When Selected as Analog

-2.0

-10

1.4

2.5

2.0

μA

OFFSET

Input Offset Voltage When Selected as Analog

V_{(SP&SGINPUTS)}to AMUX Output

OFFSET

Analog Operational Amplifier Output Voltage

Sink 250μA

–

Analog Operational Amplifier Output Voltage

Source 250μA

-0.1

–

Switch Detection Threshold

3.70

4.0

4.3

Switch Input Voltage Range

33972

-14

–

33972A

Temperature Monitor^{(9), (10)}

Temperature Monitor Hysteresis⁽¹⁰⁾

Notes

155

5.0

–

185

°C

LIM

LIM(HYS)

T is the T_CASEof the package

8. Device operational. Table parameters may be out of specification.

9. Thermal shutdown of 16 mA pull-up and pulldown current sources only. 2.0 mA current source/sink and all other functions remain active.

10. This parameter is guaranteed by design but is not production tested.

33972

Analog Integrated Circuit Device Data

Freescale Semiconductor

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