VA

AGND

To Internal Circuitry

I/O

ADC10DL065

www.ti.com

SNAS314B – JUNE 2006 – REVISED APRIL 2013

Converter Electrical Characteristics

(1) (2) (3)

Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, VA = VD = +3.3V, VDR =

+2.5V, PD = 0V, External VREF = +1.0V, fCLK = 65 MHz, fIN = 10 MHz, CL = 15 pF/pin, Duty Cycle Stabilizer On, parallel output

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

Typical

Limits

Units

Symbol

Parameter

Conditions

(4)

(4)

(Limits)

STATIC CONVERTER CHARACTERISTICS

Resolution with No Missing Codes

10

Bits (min)

INL

Integral Non Linearity(5)

±0.25

±1

LSB (max)

DNL

Differential Non Linearity

±0.16

±0.65

LSB (max)

PGE

Positive Gain Error

±0.1

±3.3

%FS (max)

NGE

Negative Gain Error

±0.2

±3.5

%FS (max)

TC GE

Gain Error Tempco

−40°C ≤ TA ≤ +85°C

10

ppm/°C

VOFF

Offset Error (VIN+ = VIN−)

0.1

±0.85

%FS (max)

TC VOFF

Offset Error Tempco

−40°C ≤ TA ≤ +85°C

6

ppm/°C

Under Range Output Code

0

0

Over Range Output Code

1023

1023

REFERENCE AND ANALOG INPUT CHARACTERISTICS

0.5

V (min)

VCM

Common Mode Input Voltage

1.5

2.0

V (max)

VRMA,

Reference Output Voltage

Output load = 1 mA

1.5

V

VRMB

(CLK LOW)

8

pF

CIN

VIN Input Capacitance (each pin to GND)

VIN = 2.5 Vdc + 0.7 Vrms

(CLK HIGH)

7

pF

0.8

V (min)

VREF

External Reference Voltage(6)

1.00

1.2

V (max)

Reference Input Resistance

1

M

Ω (min)

(1)

The inputs are protected as shown below. Input voltage magnitudes above VA or below GND will not damage this device, provided

current is limited per Note 3 under the Absolute Maximum Ratings. However, errors in the A/D conversion can occur if the input goes

above VA or below GND by more than 100 mV. As an example, if VA is +3.3V, the full-scale input voltage must be ≤+3.4V to ensure

accurate conversions.

(2)

To ensure accuracy, it is required that |VA–VD| ≤ 100 mV and separate bypass capacitors are used at each power supply pin.

(3)

With the test condition for VREF = +1.0V (2VP-P differential input), the 10-bit LSB is 1.95 mV.

(4)

Typical figures are at TA = 25°C, and represent most likely parametric norms at the time of characterization. The typical specifications

are not ensured.

(5)

Integral Non Linearity is defined as the deviation of the analog value, expressed in LSBs, from the straight line that passes through

positive and negative full-scale.

(6)

Optimum performance will be obtained by keeping the reference input in the 0.8V to 1.2V range. The LM4051CIM3-ADJ (SOT-23

package) is recommended for external reference applications.

Copyright © 2006–2013, Texas Instruments Incorporated

Submit Documentation Feedback

7

Product Folder Links: ADC10DL065