34921 datasheet(8/36 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

34921

STATIC ELECTRICAL CHARACTERISTICS

Table 3. Static Electrical Characteristics

Characteristics noted under conditions 16 V ≤ B+ ≤ 34 V, 0

°C ≤ TA ≤ 70°C, and 0°C ≤ TJ ≤ 100°C unless otherwise noted.

Typical values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

Serial Interfaces (MISO, MOSI, SCLK, CE)

Input Low Voltage from MCU

V5.0 = 5.0 V, V3.3 = 3.3 V, IIN <200 µA, VIN Falling

VIL

1.11.352.2

Input High Voltage

V5.0 = 5.0 V, V3.3 = 3.3 V, IIN <200 µA, VIN Rising

VIH

1.12.002.2

Input Hysteresis

V5.0 = 5.0 V, V3.3 =3.3 V

VHYS

0.4

0.6

1.5

Output High-Level, MISO (V5.0 = 5.0 V, V3.3 =3.3 V)

IOUT = 150 µA

IOUT =20 µA

VOH(MISO)

2.4

V3.3-0.1

V3.3-25

V3.3-10

V3.3

Output Low-Level, MISO (V5.0 =5.0 V, V3.3 =3.3 V)

IOUT < 20 µA

IOUT < 150 µA

VOL(MISO)

0.0

100

400

Input Pulldown Current

V5.0 = 5.0 V, V3.3 = 3.3 V, VIN = 5.0 V, Includes RST

IPULLDOWN

120

175

µA

MISO High-Impedance Current

MISO = 3.3 V or GND

IHI-Z

-100

0.1

100

µA

5.0 V Linear Regulator

Logic Supply Voltage

IV5.0 = 10 mA to 50 mA, 16 V < B+ < 20 V, REXT = 140 Ω

V5.0

4.8

5.0

5.2

Load Regulation

ILOAD = 10 mA to 50 mA

VILOAD

––

±100

Current Limit Threshold

REXT = 0 Ω

ILIMIT

135

600

V5.0 to Turn On/Off V3.3 Regulator

(7)

V5_3.3t

–2.2

–

Hysteresis for V5_3.3t

(7)

V5_3.3t_hys

–

175

–

Notes

See Figure 10, Power-Up Sequencing, page 22.

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