參數(shù)資料
型號(hào)： TDA8768BH/5/C3
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, 1.30 MM LEAD LENGTH, PLASTIC, SOT-307-2, QFP-44
文件頁(yè)數(shù)： 28/30頁(yè)
文件大?。?/td> 547K
代理商： TDA8768BH/5/C3
Philips Semiconductors
TDA8768B
12-bit, 80 Msps Analog-to-Digital Converter (ADC)
Product data
Rev. 02 — 20 January 2004
7 of 30
9397 750 12338
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
10. Characteristics
Table 6:
Characteristics
VCCA = 4.75 V to 5.25 V (V2 to V44, V3 to V4 and V41 to V40); VCCD = 4.75 V to 5.25 V (V37 to V38 and V15 to V17);
VCCO = 3.0 V to 3.6 V (V33 to V34); AGND and DGND shorted together; Tamb = 40 °Cto+85 °C; Vi(p-p) Vi(p-p) = 1.9 V;
Vref =VCCA3 1.75 V; VI(CM) =VCCA3 1.6 V; typical values measured at VCCA =VCCD =5V, VCCO = 3.3 V, Tamb =25 °C and
CL = 10 pF; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supplies
VCCA
analog supply voltage
4.75
5.0
5.25
V
VCCD
digital supply voltage
4.75
5.0
5.25
V
VCCO
output supply voltage
3.0
3.3
3.6
V
ICCA
analog supply current
I
-
78
87
mA
ICCD
digital supply current
I
-
27
30
mA
ICCO
output supply current
fCLK = 20 MHz; fi = 400 kHz
I
-
3
4
mA
fCLK = 40 MHz;
fi = 4.43 MHz
C
-
6.2
9
mA
fCLK = 80 MHz; fi = 20 MHz
I
-
13.5
17
mA
Inputs
CLK and CLK (referenced to DGND)[2]
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
VIL
LOW-level input voltage
TTL mode
I
0
-
0.8
V
VIH
HIGH-level input voltage
TTL mode
I
2.0
-
VCCD
V
Ri
input resistance
fCLK = 80 MHz
D
2
-
k
Ci
input capacitance
fCLK = 80 MHz
D
-
2
pF
OTC, SH and CE (referenced to DGND); see Tables 8 and 9
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
VI and VI (referenced to AGND); see Table 7
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
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