tda8768a-02 NXP Semiconductors, tda8768a-02 Datasheet - Page 17

• Manufacturer Part Number: tda8768a-02
• Description: Tda8768a 12-bit, 70 Msps Analog-to-digital Converter Adc
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 09656
Product data
Fig 14. Spurious free dynamic range (SFDR) as a function of input amplitude; FSREF = 1.9 V; f
Fig 15. ENOB, SFDR and SNR as a function of V
(dB)
(1) f
(2) f
(3) SFDR = 80 dB
(1) = SNR
(2) = ENOB
(3) = SFDR
72
70
68
66
64
62
60
f
(dBFS)
i
i
1.3 1.4
CLK
SFDR
= 4.43 MHz
= 20 MHz
= 55 MHz; f
80
70
60
50
40
30
20
-60
(1)
(3)
(2)
1.5
1.6
i
= 4.43 MHz.
1.7
(3)
1.8
-50
1.9
(2)
(1)
2
V ref (V)
005aaa021
2.1 2.2
-40
Rev. 02 — 03 July 2002
11
10.5
10
9.5
9
8.5
8
ref
bits
;
Fig 16. ADC full-scale; V
12-bit, 70 Msps Analog-to-Digital Converter (ADC)
-30
(V i - V i ) (p-p)
(V)
V
CCA
2.6
2.4
2.2
1.8
1.6
1.4
1.2
2
1
1.3
V
-20
ref
1.4 1.5
.
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
I(p-p)
1.6
1.7
V
-10
I(p-p)
TDA8768A
1.8
CLK
V i (dBFS)
as a function of
1.9
V CCA - V ref (V)
005aaa020
= 55 MHz.
2
005aaa022
0
2.1
17 of 32
2.2