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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)： | 30/32頁 |
| 文件大?。?/td> | 1434K |
| 代理商： | TDA8768AH/4 |
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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]
VIL
LOW-level input voltage
PECL mode; VCCD = 5 V
I
3.19
-
3.52
V
TTL mode
C
0
-
0.8
V
VIH
HIGH-level input voltage
PECL mode; VCCD = 5 V
I
3.83
-
4.12
V
TTL mode
C
2.0
-
VCCD
V
IIL
LOW-level input current
VCLK or VCLK = 3.19 V
C
10
-
A
IIH
HIGH-level input current
VCLK or VCLK = 3.83 V
C
-
10
A
VCLK(p-p)
differential AC input voltage
for switching
(VCLK(p-p) VCLK(p-p))
AC driving mode; DC voltage
level = 2.5 V
C
1
1.5
2.0
V
Ri
input resistance
fCLK = 55 MHz
D
2
-
k
Ci
input capacitance
fCLK = 55 MHz
D
-
2
pF
VIL
LOW-level input voltage
I
0
-
0.8
V
VIH
HIGH-level input voltage
I
2.0
-
VCCD
V
IIL
LOW-level input current
VIL = 0.8 V
I
20
-
A
IIH
HIGH-level input current
VIH = 2.0 V
I
-
20
A
IIL
LOW-level input current
SH = HIGH
C
-
10
-
A
IIH
HIGH-level input current
SH = HIGH
C
-
10
-
A
Ri
input resistance
fi = 20 MHz
D
-
14
-
M
Ci
input capacitance
fi = 20 MHz
D
-
450
-
fF
VI(CM)
common mode input voltage
VI = VI; output code 2047
C
VCCA3
1.7
VCCA3 1.6 VCCA3
1.2
V
Voltage controlled regulator output CMADC
Vo(CM)
common mode output voltage
I
-
VCCA3 1.6 -
V
IL
load current
I
-
1
2
mA
Voltage input Vref [3]
Vref
full-scale xed voltage
fi = 20 MHz; fCLK = 55 Msps
C
-
VCCA3
1.75
-V
Iref
input current at Vref
C
-
0.3
10
A
VI(p-p) VI(p-p) input voltage amplitude
(peak-to-peak value)
Vref =VCCA3 1.75 V
VI(CM) =VCCA3 1.6 V
C
-
1.9
-
V
Voltage controlled regulator output FSref
Vo(ref)
1.9 V full-scale output voltage
I
-
VCCA3
1.75
-V
Outputs (referenced to OGND)
Digital outputs D11 to D0 and IR (referenced to OGND)
VOL
LOW-level output voltage
IOL = 2 mA
I
0
-
0.5
V
Table 6:
Characteristics…continued
VCCA =V2 to V44, V3 to V4 and V41 to V40 = 4.75 to 5.25 V; VCCD =V37 to V38 and V15 to V17 = 4.75 to 5.25 V;
VCCO =V33 to V34 = 3.0 to 3.6 V; AGND and DGND shorted together; Tamb = 40 to 85 °C; VI(p-p) VI(p-p) = 1.9 V;
Vref =VCCA31.75 V; VI(CM) =VCCA31.6V; typical values measured at VCCA =VCCD = 5 V and VCCO = 3.3 V, Tamb =25 °C
and CL = 10 pF; unless otherwise specied.
Symbol
Parameter
Conditions
Test [1]
Min
Typ
Max
Unit
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