Dynamic characteristics

TSA1203

6/30

3

Dynamic characteristics

Dynamic characteristics are measured under the following conditions, unless otherwise

specified: AVCC = DVCC = VCCB = 2.5 V, FS = 40 Msps, Fin=10.13 MHz, Vin@ -1 dBFS,

VREFP=0.8 V, VREFM=0 V, Tamb = 25° C.

4

Timing characteristics

Timing characteristics are measured under the following conditions, unless otherwise

specified: AVCC = DVCC = VCCB = 2.5 V, FS = 40 Msps, Fin=10.13 MHz, Vin@ -1 dBFS,

VREFP=0.8 V, VREFM=0 V, Tamb = 25° C.

Table 2.

Dynamic characteristics

Symbol

Parameter

Min

Typ

Max

Unit

SFDR

Spurious free dynamic range

-75

-59.5

dBc

SNR

Signal to noise ratio

60.7

67

dB

THD

Total harmonics distortion

-73

-58

dBc

SINAD

Signal to noise and distortion ratio

56.5

66

dB

ENOB

Effective number of bits

9.1

10.8

bits

Table 3.

Timing characteristics

Symbol

Parameter

Test

conditions

Min

Typ

Max

Unit

FS

Sampling frequency

0.5

40

MHz

DC

Clock duty cycle

45

50

55

%

TC1

Clock pulse width (high)

22.5

25

ns

TC2

Clock pulse width (low)

22.5

25

ns

Tod

Data output delay (clock edge to data

valid)

10 pF load

capacitance

9ns

Tpd I

Data pipeline delay for I channel

7

cycles

Tpd Q

Data pipeline delay for Q channel

7.5

cycles

Ton

Falling edge of OEB to digital output valid

data

1ns

Toff

Rising edge of OEB to digital output tri-

state

1ns

Obsolete

Product(s)

- Obsolete

Product(s)