ADC08200CIMT datasheet(5/27 Pages) TI1

No de pièce	ADC08200CIMT

Description	8-Bit, 20 Msps to 200 Msps, Low Power A/D Converter

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Fabricant	TI1 [Texas Instruments]

Site Internet	http://www.ti.com

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5 / 27 page

ADC08200

www.ti.com

SNAS136M – APRIL 2001 – REVISED MARCH 2013

Converter Electrical Characteristics

The following specifications apply for VA = VDR = +3.0VDC, VRT = +1.9V, VRB = 0.3V, CL = 5 pF, fCLK = 200 MHz at 50% duty

cycle. Boldface limits apply for TJ = TMIN to TMAX: all other limits TJ = 25°C

(1) (2) (3)

Units

Symbol

Parameter

Conditions

Typical (4)

Limits (4)

(Limits)

DC ACCURACY

+1.0

+1.9

LSB (max)

INL

Integral Non-Linearity

−0.3

−1.2

LSB (min)

DNL

Differential Non-Linearity

±0.4

±0.95

LSB (max)

Missing Codes

0

(max)

FSE

Full Scale Error

36

50

mV (max)

VOFF

Zero Scale Offset Error

46

60

mV (max)

ANALOG INPUT AND REFERENCE CHARACTERISTICS

VRB

V (min)

VIN

Input Voltage

1.6

VRT

V (max)

(CLK LOW)

3

pF

CIN

VIN Input Capacitance

VIN = 0.75V +0.5 Vrms

(CLK HIGH)

4

pF

RIN

RIN Input Resistance

>1

M

Ω

BW

Full Power Bandwidth

500

MHz

VA

V (max)

VRT

Top Reference Voltage

1.9

0.5

V (min)

VRT − 0.5

V (max)

VRB

Bottom Reference Voltage

0.3

0

V (min)

1.0

V (min)

VRT - VRB

Reference Voltage Delta

1.6

2.3

V (max)

120

Ω (min)

RREF

Reference Ladder Resistance

VRT to VRB

160

200

Ω (max)

CLK, PD DIGITAL INPUT CHARACTERISTICS

VIH

Logical High Input Voltage

VDR = VA = 3.6V

2.0

V (min)

VIL

Logical Low Input Voltage

VDR = VA = 2.7V

0.8

V (max)

IIH

Logical High Input Current

VIH = VDR = VA = 3.6V

10

nA

IIL

Logical Low Input Current

VIL = 0V, VDR = VA = 2.7V

−50

nA

CIN

Logic Input Capacitance

3

pF

(1)

The Electrical characteristics tables list ensured specifications under the listed Recommended Conditions except as otherwise modified

or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations for room temperature only

and are not ensured.

(2)

The analog inputs are protected as shown below. Input voltage magnitudes up to VA + 300 mV or to 300 mV below GND will not

damage this device. However, errors in the A/D conversion can occur if the input goes above VDR or below GND by more than 100 mV.

For example, if VA is 2.7VDC the full-scale input voltage must be ≤2.8VDC to ensure accurate conversions.

(3)

To ensure accuracy, it is required that VA and VDR be well bypassed. Each supply pin must be decoupled with separate bypass

capacitors.

(4)

Typical figures are at TJ = 25°C, and represent most likely parametric norms. Test limits are specifid to TI's AOQL (Average Outgoing

Quality Level).

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