參數資料
型號： TDA8768A
廠商： NXP Semiconductors N.V.
英文描述： 12-bit, 70 Msps Analog-to-Digital Converter (ADC)
中文描述： 12位，70 Msps的模擬到數字轉換器（ADC）
文件頁數： 7/32頁
文件大?。?/td> 915K
代理商： TDA8768A
Philips Semiconductors
TDA8768A
12-bit, 70 Msps Analog-to-Digital Converter (ADC)
Product data
Rev. 02 — 03 July 2002
7 of 32
9397 750 09656
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
CLK and CLK (referenced to DGND)
[2]
V
IL
LOW-level input voltage
PECL mode; V
CCD
= 5 V
TTL mode
PECL mode; V
CCD
= 5 V
TTL mode
V
CLK
or V
CLK
= 3.19 V
V
CLK
or V
CLK
= 3.83 V
AC driving mode; DC voltage
level = 2.5 V
I
C
I
C
C
C
C
3.19
0
3.83
2.0
10
-
1
-
-
-
-
-
-
1.5
3.52
0.8
4.12
V
CCD
-
10
2.0
V
V
V
V
μ
A
μ
A
V
V
IH
HIGH-level input voltage
I
IL
I
IH
V
CLK(p-p)
LOW-level input current
HIGH-level input current
differential AC input voltage
for switching
(V
CLK(p-p)
V
CLK(p-p)
)
input resistance
input capacitance
R
i
C
i
OTC, SH and CE (referenced to DGND); see Tables
7
and
8
V
IL
LOW-level input voltage
V
IH
HIGH-level input voltage
I
IL
LOW-level input current
I
IH
HIGH-level input current
V
I
and V
I
(referenced to AGND); see
Table 7
, V
ref
= V
CCA3
1.75 V
I
IL
LOW-level input current
I
IH
HIGH-level input current
R
i
input resistance
C
i
input capacitance
V
I(CM)
common mode input voltage
f
CLK
= 55 MHz
f
CLK
= 55 MHz
D
D
2
-
-
-
-
2
k
pF
I
I
I
I
0
2.0
20
-
-
-
-
-
0.8
V
CCD
-
20
V
V
μ
A
μ
A
V
IL
= 0.8 V
V
IH
= 2.0 V
SH = HIGH
SH = HIGH
f
i
= 20 MHz
f
i
= 20 MHz
V
I
= V
I
; output code 2047
C
C
D
D
C
-
-
-
-
V
CCA3
1.7
10
10
14
450
V
CCA3
1.6 V
CCA3
-
-
-
-
μ
A
μ
A
M
fF
V
1.2
Voltage controlled regulator output CMADC
V
o(CM)
common mode output voltage
I
L
load current
Voltage input V
ref
[3]
V
ref
full-scale fixed voltage
I
I
-
-
V
CCA3
1.6 -
1
V
mA
2
f
i
= 20 MHz; f
CLK
= 55 Msps
C
-
V
CCA3
1.75
0.3
1.9
-
V
I
ref
V
I(p-p)
V
I(p-p)
input voltage amplitude
(peak-to-peak value)
Voltage controlled regulator output FS
ref
V
o(ref)
1.9 V full-scale output voltage
input current at V
ref
C
C
-
-
10
-
μ
A
V
V
ref
= V
CCA3
1.75 V
V
I(CM)
= V
CCA3
1.6 V
I
-
V
CCA3
1.75
-
V
Outputs (referenced to OGND)
Digital outputs D11 to D0 and IR (referenced to OGND)
V
OL
LOW-level output voltage
I
OL
= 2 mA
I
0
-
0.5
V
Table 6:
V
CCA
= V
2
to V
44
, V
3
to V
4
and V
41
to V
40
= 4.75 to 5.25 V; V
CCD
= V
37
to V
38
and V
15
to V
17
= 4.75 to 5.25 V;
V
CCO
= V
33
to V
34
= 3.0 to 3.6 V; AGND and DGND shorted together; T
amb
=
40 to 85
°
C; V
I(p-p)
V
I(p-p)
= 1.9 V;
V
ref
= V
CCA3
1.75 V; V
I(CM)
= V
CCA3
1.6V; typical values measured at V
CCA
= V
CCD
= 5 V and V
CCO
= 3.3 V T
amb
= 25
°
C
and C
L
= 10 pF; unless otherwise specified.
Symbol
Parameter
Conditions
Characteristics
…continued
Test
[1]
Min
Typ
Max
Unit
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