THS1030

3V TO 5.5V, 10BIT, 30 MSPS

CMOS ANALOGTODIGITAL CONVERTER

SLAS243E − NOVEMBER 1999 − REVISED DECEMBER 2003

4

POST OFFICE BOX 655303

sampling rate and resolution

PARAMETER

MIN

NOM

MAX

UNIT

fs

Sample frequency

5

30

MSPS

Resolution

10

Bits

analog inputs

PARAMETER

MIN

TYP

MAX

UNIT

VI(AIN)

Analog input voltage

REFBS

REFTS

V

CI

Switched sampling input capacitance

1.2

pF

BW

Full power bandwidth (−3 dB)

150

MHz

Ilkg

DC leakage current (input =

±FS)

60

µA

VREF reference voltages

PARAMETER

MIN

TYP

MAX

UNIT

Internal 1-V reference voltage (REFSENSE = VREF)

0.95

1

1.05

V

Internal 2-V reference voltage (REFSENSE = AGND)

1.90

2

2.10

V

External reference voltage (REFSENSE = AVDD)

1

2

V

Reference input resistance

680

Ω

REFTF, REFBF reference voltages

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Differential input voltage (REFTF − REFBF) (REFSENSE = VREF)

0.9

1

1.1

V

Differential input voltage (REFTF − REFBF) (REFSENSE = AGND)

1.9

2

2.1

V

Input common mode voltage (REFTF + REFBF)/2

AVDD = 3 V

1.3

1.5

1.7

V

Input common mode voltage (REFTF + REFBF)/2

AVDD = 5 V

2

2.5

3

V

VREF = 1 V

AVDD = 3 V

2

V

REFTF voltage (MODE = AVDD)

VREF = 1 V

AVDD = 5 V

3

V

REFTF voltage (MODE = AVDD)

VREF = 2 V

AVDD = 3 V

2.5

V

VREF = 2 V

AVDD = 5 V

3.5

V

VREF = 1 V

AVDD = 3 V

1

V

REFBF voltage (MODE = AVDD)

VREF = 1 V

AVDD = 5 V

2

V

REFBF voltage (MODE = AVDD)

VREF = 2 V

AVDD = 3 V

0.5

V

VREF = 2 V

AVDD = 5 V

1.5

V

Input resistance between REFTF and REFBF

600

Ω

Power up time for valid ADC conversions (tPUconv)

See Note 1

1.2

µs

NOTES:

1. Time from control register STBY pin returning low to the ADC conversion to be accurate within 0.1% of fullscale.