UCD3138064RMHT datasheet(13/91 Pages) TI1

13 / 91 page

UCD3138064

www.ti.com

SLUSB72B – MARCH 2013 – REVISED SEPTEMBER 2014

5.5

Electrical Characteristics

V33A = V33D = V33DIO = 3.3 V; 1

μF from BP18 to DGND, TJ = –40 °C to 125 °C (unless otherwise noted)

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

SUPPLY CURRENT

Measured on V33A. The device is powered up

I33A

6.3

but all ADC12 and EADC sampling is disabled

I33DIO

All GPIO and communication pins are open

0.35

I33D

ROM program execution

I33D

Flash programming in ROM mode

The device is in ROM mode with all DPWMs

I33

enabled and switching at 2 MHz. The DPWMs

100

are all unloaded.

ERROR ADC INPUTS EAP, EAN

EAP – AGND

–0.15

1.998

EAP – EAN

–0.256

1.848

Typical error range

AFE = 0

–256

248

AFE = 3

0.8

1.20

AFE = 2

1.7

2.30

EAP – EAN Error voltage digital

resolution

AFE = 1

3.55

4.45

AFE = 0

6.90

9.10

REA

Input impedance (See Figure 6-1)

AGND reference

0.5

Ω

IOFFSET

Input offset current (See Figure 6-1)

–5

μA

Input voltage = 0 V at AFE = 0

–2

LSB

Input voltage = 0 V at AFE = 1

–2.5

2.5

LSB

EADC Offset

Input voltage = 0 V at AFE = 2

–3

-3

LSB

Input voltage = 0 V at AFE = 3

–4

LSB

15.62

Sample Rate

MHz

Analog Front End Amplifier Bandwidth

100

MHz

Gain

See Figure 6-2

V/V

Minimum output voltage

EADC DAC

DAC range

1.6

VREF DAC reference resolution

10-bit, No dithering enabled

1.56

VREF DAC reference resolution

With 4-bit dithering enabled

97.6

μV

INL

–2.0

2.0

LSB

DNL

Does not include MSB transition

–1.0

2.1

LSB

DNL at MSB transition

–1.4

LSB

DAC reference voltage

1.58

1.61

ADC12

IBIAS

Bias current for PMBus address pins

9.5

10.5

μA

Measurement range for voltage

2.5

monitoring

Internal ADC reference voltage

–40 to 125 °C

2.475

2.500

2.53

–40 to 25 °C

–0.7

Change in Internal ADC reference from

25°C reference voltage

25 to 125 °C

–2.1

–7.5/+2

ADC12 INL integral nonlinearity

LSB

–0.7/+3

ADC_SAMPLING_SEL = 6 for all ADC12 data,

ADC12 DNL differential nonlinearity

LSB

25 to 125 °C

ADC Zero Scale Error

–7

ADC Full Scale Error

–35

Specifications

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