TDA9935 datasheet(9/18 Pages) NXP

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TDA9935_4

Product data sheet

Rev. 04 — 17 September 2007

9 of 18

NXP Semiconductors

TDA9935

Dual 14-bit, up to 160 Msample/s, 2

× interpolating DAC

Digital ﬁlter speciﬁcation (FIR); see Figure 6, Figure 7 and Table 7

order

fI(D)

data input rate

Msample/s

RPBW

ripple in pass bandwidth

fdata/fCLK; 0.005 dB attenuation

0.405

PBW

pass bandwidth

fdata/fCLK; 3 dB attenuation

0.479

SBR

stop band rejection

fdata/fCLK = 0.6 to 1

td(g)

group delay time

11TCLK

-ns

Analog signal processing

INL

integral non-linearity

±2.9

LSB

DNL

differential non-linearity

±1.5

LSB

In(o)

output noise current

120

pA/

√Hz

Eoffset(o)

output offset error

relative to full scale

−0.3

gain error

relative to full scale

−5.4

+5.4

gain matching

between I and Q, relative to full

scale

±0.2

SFDR

spurious-free dynamic

range

fCLK = 80 Msample/s;

BW = Nyquist

fOUT = 2.5 MHz at 0 dBFS

dBc

fOUT = 5 MHz at 0 dBFS

dBc

fOUT = 13 MHz at 0 dBFS

dBc

second harmonic

fOUT = 5 MHz

dBc

fOUT = 13 MHz

dBc

third harmonic

fOUT = 5 MHz

dBc

fOUT = 13 MHz

dBc

IMD2

second order two-tone

intermodulation rejection

fCLK = 80 Msample/s;

fOUT1 = 10 MHz; fOUT2 = 12 MHz;

BW = Nyquist

dBc

IMD3

third order two-tone

intermodulation rejection

fCLK = 80 Msample/s;

fOUT1 = 10 MHz; fOUT2 = 12 MHz

dBc

THD

total harmonic distortion

fCLK = 80 Msample/s;

BW = Nyquist

fOUT = 2.5 MHz

dBc

fOUT = 5 MHz (Tamb =25 °C)

dBc

NSD

noise spectral density

fCLK = 80 Msample/s

fOUT = 2.5 MHz

−155

dBm/Hz

fOUT = 5 MHz

−155

dBm/Hz

fOUT = 19 MHz

−153

dBm/Hz

Table 5.

Characteristics …continued

VCCD =VCCA = 3.0 V to 3.6 V; AGND and DGND connected together; Tamb = −40 °C to +85 °C; typical values measured at

VCCD =VCCA = 3.3 V, IO(FS) = 20 mA and Tamb =25 °C; dynamic parameters measured using output schematic given in

Figure 10; unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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