TLV1570CPWR datasheet(13/33 Pages) TI2

13 / 33 page

TLV1570

2.7 V TO 5.5 V 8-CHANNEL 10-BIT 1.25-MSPS

SERIAL ANALOG-TO-DIGITAL CONVERTER

SLAS169B – DECEMBER 1997– REVISED OCTOBER 2000

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics, over recommended operating free-air temperature range, supply

voltages, and reference voltages (unless otherwise noted) (continued)

dc specifications

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Resolution

Bits

Accuracy

Integral nonlinearity, INL

Best fit

±0.6

±1

LSB

Differential nonlinearity, DNL

±0.65

±1

LSB

Offset error

±0.1

±0.15 %FSR

Gain error

±0.1

±0.2 %FSR

Analog input

Input capacitance

Ilkg

Input leakage current

VAIN = 0 V to AVDD

±1

µA

Ri(MUX)

Input MUX ON resistance

DVDD = 3 V,

AVDD = 3 V

265

780

Ω

Ri(MUX)

Input MUX ON resistance

DVDD = 5 V,

AVDD = 5 V

235

450

Ω

Ri(ADC)

Input MUX ON resistance

DVDD = 3 V,

AVDD = 3 V

158

465

Ω

Ri(ADC)

Input MUX ON resistance

DVDD = 5 V,

AVDD = 5 V

140

268

Ω

Voltage reference

REF

Internal reference voltage

Internal reference mode, VDD = 3 V

2.08

2.26

2.48

REF

Internal reference voltage

Internal reference mode, VDD = 5 V

3.48

3.82

4.15

Temperature coefficient

100

ppm/

°C

Input resistance

External reference mode

Ω

Ci(VR)

Input capacitance

External reference mode

300

Power supply

IDD +IREF Operating supply current

AVDD = 2.7 V, DVDD = 2.7 V, fSCLK = 10 MHz†

IDD + IREF Operating supply current

AVDD = 5.5 V, DVDD = 5.5 V, fSCLK = 20 MHz‡

7.2

8.5

Power dissipation

AVDD = 2.7 V, DVDD = 2.7 V

Power dissi ation

AVDD = 5.5 V, DVDD = 5.5 V

AVDD=2 7V

CS = AVDD

µA

Software

IDD +IREF

AVDD = 2.7 V

CS = AGND

500

µA

Supply current in

Software

IDD + IREF

AVDD=5 5V

CS = AVDD

µA

power down

AVDD = 5.5 V

CS = AGND

2000

µA

Auto

IDD +IREF

AVDD = 2.7V

175

275

µA

Auto

IDD + IREF

AVDD = 5.5V

200

300

µA

† IREF = 0.7 mA typ.

‡ IREF = 1.5 mA typ.

TLV1570CPWR Datasheet(PDF) 13 Page - Texas Instruments

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