TDA9935 データシートの表示（PDF） - NXP Semiconductors.

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TDA9935

Dual 14-bit, up to 160 Msample/s, 2 × interpolating Digital-to-Analog Converter (DAC)

NXP Semiconductors. 

NXP Semiconductors

TDA9935

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

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

S/N

signal-to-noise ratio

fCLK = 80 Msample/s;

BW = Nyquist

ACPR

adjacent channel power

ratio

fOUT = 2.5 MHz

fOUT = 5 MHz

fOUT = 19 MHz

baseband; 5 MHz channel

spacing; BW = 3.4 MHz

-

80

-

dBc

70

80

-

dBc

-

78

-

dBc

fOUT = 2.5 MHz

fOUT = 20 MHz

-

69

-

dBc

-

71

-

dBc

[1] Guaranteed by design.

Table 6. Band gap

Band gap disable (GAPD)

LOW

HIGH

Band gap input/output (GAPOUT)

output (VGAPOUT = 1.2 V)

input

Internal band gap

enable

disable

I0 to I13,

Q0 to Q13

CLKN

CLK

tsu(i)

th(i)

50 %

IOUT/IOUTN,

QOUT/QOUTN

Fig 5. Input timing diagram

001aab121

TDA9935_4

Product data sheet

Rev. 04 — 17 September 2007

© NXP B.V. 2007. All rights reserved.

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