IC-TW3 参数 Datasheet PDF下载

iC-TW3

SENSOR SIGNAL CONDITIONER WITH

TEMPERATURE COMPENSATION AND LINE DRIVER

Rev B1, Page 5/24

ELECTRICAL CHARACTERISTICS

Operating conditions: VDD, VDDA, VDDB, VDDIN = 3.0...5.5 V, Tj = -40...125 °C, reference point GND unless otherwise stated

Item

No.

001

002

003

004

101

102

103

104

105

106

107

108

Symbol

Parameter

Conditions

Min.

VDDx

I(VDDx)

Vc()hi

Vc()lo

Vin()sig

Vin()os

Iin()

Rpu()

fg

CMRR

PSRR

e

n

Permissible Supply Voltage

at VDD, VDDA, VDDB, VDDIN

Total Supply Current

Clamp-Voltage hi at all pins

Clamp-Voltage lo at all pins

Permissible Input Voltage Range

Input Offset Voltage

Input Current

Input Pull-Up Resistor

-3 dB Bandwidth

Common Mode Rejection Ratio

Power Supply Rejection Ratio

Input Voltage Noise

ENSIGAB = 0, ENSIGZ = 0

ENSIGAB = 1, ENSIGZ = 1

PGA gain of 36 dB

fc < 1 MHz

fc < 1 kHz

fc < 1 MHz

fc < 1 kHz

f = 1 kHz

f = 100 Hz

f = 0.1 to 10 Hz

-35

2.0

1.2

40

60

40

60

20 n

25 n

2µ

0.08

2

-50

± 10

1.7

0.9

-50

19

10

224

245

1.10

0

-0.1

1.21

1.35

2.21

1

3.0

2.6

1.5

3.3

0.8

1.0

-3

700

V

V

µA

V

V

V

V

V

V

µA

mV

50

150

2.5

VDDx = 3.3 V

VDDx = 5.5 V

Vc()hi = V() - VDD; I() = 10 mA

I() = -10 mA

0.3

-1.2

1.4

±5

3.0

Typ.

Max.

5.5

15

25

1.4

-0.3

VDD -

1.2 V

±15

35

3

V

mA

mA

V

V

V

mV

nA

MΩ

MHz

dB

dB

dB

dB

√

V/

√

Hz

V/

√

Hz

V/ Hz

dB

mV

°C

°C

V

V

nA

Unit

Total Device

Analog Signal Inputs PINA, NINA, PINB, NINB, PINZ, NINZ

109

110

201

202

203

204

205

∆DGAIN

∆DOFFS

Tor

Tacc

Vin()low

Iin()

T()lo

Dynamic Gain Step Width

Dynamic Offset Step Width

Int. Temperature Sensor Operat- after calibration of ADC;

ing Range

Device-To-Device Temp. Sensor

Variation

Temperature Input Voltage

Input Current at KELVIN

Lo-Temperature ADC Reading,

via Register CELSIUS(7:0)

Hi-Temperature ADC Reading,

via Register CELSIUS(7:0)

after calibration of ADC,

Tj = -40 °C to 125 °C

CELSIUS(7:0) = 10

CELSIUS(7:0) = 245

V(KELVIN) = 0 .. VDD

after calibration of ADC;

XCELSIUS = 0, internal sensor: Tj = -40 °C

XCELSIUS = 1, ext. sensor: V(KELVIN) = 1.7 V

after calibration of ADC;

XCELSIUS = 0, internal sensor: Tj = 125 °C

XCELSIUS = 1, ext. sensor: V(KELVIN) = 0.9 V

VEXT = 0; CL = 100 nF, I() = 0 mA

Temperature Sensor and Analog Input KELVIN

206

T()hi

Reference Voltage Input/Output VC

301

302

303

401

402

403

404

405

406

Vout(VC)

Vin(VC)

Iin(VC)

VDDon

VDDoff

Vt()hi

Vt()lo

Ipu()

Vpu()

Reference Voltage Output

Permissible Input Voltage Range VEXT = 1

at VC

Input Current at VC

Turn-On Threshold (power-on

release)

VEXT = 1

increasing voltage at VDD

Power-On Reset and Input NRST

Turn-Off Threshold (power-down decreasing voltage at VDD

reset)

Input Threshold Voltage hi

Input Threshold Voltage lo

Input Pull-Up Current

Input Pull-Up Voltage

VDD = 3.3 V +/- 10 %

VDD = 5.0 V +/- 10 %

VDD = 3.3 V +/- 10 %

VDD = 5.0 V +/- 10 %

V() = 0...VDD - 1 V

Vpu() = VDD - V(), I() = -3 µA