ADC08134 datasheet(5/24 Pages) TI1

Teilenummer	ADC08134

Bauteilbeschribung	8-Bit High-Speed Serial I/O A/D Converters

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Hersteller	TI1 [Texas Instruments]

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OBSOLETE

ADC08131, ADC08134, ADC08138

www.ti.com

SNAS066D – JUNE 1999 – REVISED APRIL 2013

Electrical Characteristics (continued)

The following specifications apply for VCC = +5 VDC, VREF = +2.5 VDC and fCLK = 1 MHz unless otherwise specified. Boldface

limits apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ = 25°C.

Units

Symbol

Parameter

Conditions

Typical(1)

Limits(2)

(Limits)

VOUT = 0V

−3.0

µA (max)

IOUT

TRI-STATE Output Current

VOUT = 5V

3.0

µA (max)

ISOURCE

Output Source Current

VOUT = 0V

−6.5

mA (min)

ISINK

Output Sink Current

VOUT = VCC

8.0

mA (min)

Supply Current

ICC

ADC08134, ADC08138

CS = HIGH

3.0

mA (max)

ADC08131(7)

6.0

mA (max)

(7)

For the ADC08131 VREFIN is internally tied to the on chip 2.5V band-gap reference output; therefore, the supply current is larger

because it includes the reference current (700 µA typical, 2 mA maximum).

Electrical Characteristics

The following specifications apply for VCC = +5 VDC, and fCLK = 1 MHz unless otherwise specified. Boldface limits apply for

TA = TJ = TMIN to TMAX; all other limits TA = TJ = 25°C.

Units

Symbol

Parameter

Conditions

Typical(1)

Limits(2)

(Limits)

REFERENCE CHARACTERISTICS

2.5

VREFOUT

Output Voltage

DC08134, ADC08138

2.5 ±1.5%

V

±2%

ΔVREF/ΔT

Temperature Coefficient

40

ppm/°C

Sourcing

(0

≤ IL ≤ +4 mA)

0.003

0.1

ADC08134,

ADC08138

Sourcing

(0

≤ IL ≤ +2 mA)

0.003

0.1

ADC08131

%/mA

ΔVREF/ΔIL

Load Regulation(3)

(max)

Sinking

(

−1 ≤ IL ≤ 0 mA)

0.2

0.5

ADC08134,

ADC08138

Sinking

(

−1 ≤ IL ≤ 0 mA)

0.2

0.5

ADC08131

Line Regulation

4.75V

≤ VCC ≤ 5.25V

0.5

6

mV (max)

VREF = 0V

ADC08134,

8

25

mA

ISC

Short Circuit Current

ADC08138

(max)

VREF = 0V

8

25

ADC08131

VCC: 0V → 5V

TSU

Start-Up Time

20

ms

CL = 100 µF

ΔVREF/Δt

Long Term Stability

200

ppm/1 kHr

(1)

Typicals are at TJ = 25°C and represent the most likely parametric norm.

(2)

Ensured to AOQL (Average Outgoing Quality Level).

(3)

Load regulation test conditions and specifications for the ADC08131 differ from those of the ADC08134 and ADC08138 because the

ADC08131 has the on-board reference as a permanent load.

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Product Folder Links: ADC08131 ADC08134 ADC08138

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