TLC976C

10-BIT, 20 MSPS, AREA CCD SIGNAL PROCESSOR

SLAS193 – OCTOBER 1998

6

POST OFFICE BOX 655303

electrical characteristics over recommended operating junction temperature range,

otherwise noted) (continued)

A/D converter

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Integral non-linearity

Fs = 20 MSPS,

VIN = 1.8 V – 3.8 V

±1.5

±2.5

LSB

Differential non-linearity

±0.75 ±1.25

LSB

Analog input capacitance

10

pF

Reference voltage output current

6.5

mA

Reference voltage output impedance

(VRT IN – VRB IN)

300

Ω

Zero scale offset error

20

mV

Full scale offset error

20

mV

High-level input current

DVDD = MAX,

VIH = DVDD

10

µA

Low-level input current

DVDD = MAX,

VIL = 0 V

10

µA

High-level output current

OE = GND,

VOH = DVDD – 0.5 V

DVDD = MIN,

3

mA

Low-level output current

OE = GND,

VOL = 0.4 V

DVDD = MIN,

5

mA

High-level output voltage

DVDD = 3 V – 5.25 V,

IOH = 2 mA

VDD–

0.7V

V

Low-level output voltage

DVDD = 3 V – 5.25 V,

IOL = 1 mA

0.8

V

High-level output leakage current

OE = DVDD,

VOH = DVDD

DVDD = MAX,

1

µA

Low-level output leakage current

OE = DVDD,

VOL = 0 V

DVDD = MIN,

1

µA

Automatic starting calibration voltage

DVDD–DGND

2.5

V

Automatic starting calibration voltage

VRT–VRB

1

V

A/D converter operating characteristics

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Sampling rate

VIN = 1.8 V – 3.8 V,

Fin = 1 kHz ramp

0.5

20

MSPS

Analog input bandwidth (– 3 dB)

10

MHz

Data output, propagation delay

CL = 20 pF

15

ns

Differential gain

NTSC 40 IRE mod ramp FS = 14 3 MSPS

1%

Differential phase

NTSC 40 IRE mod ramp, FS = 14.3 MSPS

0.3

Degree

Sampling delay time

5

ns

Signal to noise ratio

Fin = 1 MHz

55

dB