參數(shù)資料
型號: TDA8768AH/4
廠商: NXP SEMICONDUCTORS
元件分類: ADC
英文描述: 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP44
封裝: 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44
文件頁數(shù): 9/32頁
文件大?。?/td> 1434K
代理商: TDA8768AH/4
Philips Semiconductors
TDA8768A
12-bit, 70 Msps Analog-to-Digital Converter (ADC)
Product data
Rev. 02 — 03 July 2002
17 of 32
9397 750 09656
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
(1) fi = 4.43 MHz
(2) fi = 20 MHz
(3) SFDR = 80 dB
Fig 14. Spurious free dynamic range (SFDR) as a function of input amplitude; FSREF = 1.9 V; fCLK = 55 MHz.
20
30
40
50
60
70
80
-60
-50
-40
-30
-20
-10
0
005aaa020
Vi (dBFS)
SFDR
(dBFS)
(1)
(2)
(3)
(1) = SNR
(2) = ENOB
(3) = SFDR
Fig 15. ENOB, SFDR and SNR as a function of Vref;
fCLK = 55 MHz; fi = 4.43 MHz.
Fig 16. ADC full-scale; VI(p-p) VI(p-p) as a function of
VCCA Vref.
60
62
64
66
68
70
72
1.3 1.4
1.5
1.6
1.7
1.8
1.9
2
2.1
2.2
8
8.5
9
9.5
10
10.5
11
005aaa021
(1)
(2)
(3)
Vref (V)
(dB)
bits
1
1.2
1.4
1.6
1.8
2
2.2
2.4
2.6
1.3
1.4 1.5
1.6
1.7
1.8
1.9
2
2.1
2.2
VCCA - Vref (V)
(Vi - Vi)(p-p)
(V)
005aaa022
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