TDA8769 データシートの表示（PDF） - Philips Electronics
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TDA8769
Philips Electronics
TDA8769 Datasheet PDF : 28 Pages
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Philips Semiconductors
12-bit, 60/80/105 Msps Analog-to-Digital Converter
(ADC) Nyquist/high IF sampling
Objective specification
TDA8769
10 CHARACTERISTICS
VCCA = 4.75 to 5.25 V; VCCD = 4.75 to 5.25 V; VCCO = 2.7 to 3.6 V; AGND connected to DGND; Tamb = −40 to +85 °C;
VIN(p−p) − VINN(p−p) = 1.9 V − 0.5 dBFS; VVREF = VCCA3 − 1.75 V; Vi(CM ) = VCCA3 − 1.6 V; typical values measured at
VCCA = VCCD = 5 V, VCCO = 3.0 V, Tamb = 25 °C and CL = 10 pF; unless otherwise specified.
SYMBOL PARAMETER
CONDITIONS
TEST(1)
MIN.
TYP.
MAX. UNIT
Supplies
VCCA
analog supply
voltage
VCCD
digital supply
voltage
VCCO
output supply
voltage
ICCA
analog supply
current
ICCD
digital supply
current
ICCO
Ptot
output supply
current
total power
dissipation
fCLK = 80 Msps;
fi = 21.4 MHz
fCLK = 60 Msps;
fi = 21.4 MHz
fCLK = 80 Msps;
fi = 21.4 MHz
fCLK = 105 Msps;
fi = 21.4 MHz
Clock inputs: pins CLK and CLKN; note 2
4.75
5.0
4.75
5.0
2.7
3.0
−
109
−
48
−
17.5
−
825
−
840
−
855
5.25
V
5.25
V
3.6
V
(tbf)
mA
(tbf)
mA
(tbf)
mA
(tbf)
mW
(tbf)
mW
(tbf)
mW
INPUTS
VIL
VIH
IIL
IIH
∆VCLK
Ri
Ci
LOW-level input
voltage
referenced to DGND;
VCCD = 5 V
PECL mode
TTL mode
HIGH-level input referenced to DGND;
voltage
VCCD = 5 V
PECL mode
TTL mode
LOW-level input
current
HIGH-level input
current
differential AC
input voltage for
switching
VCLK or VCLKN = 3.52 V
VCLK or VCLKN = 0.80 V
VCLK or VCLKN = 3.83 V
VCLK or VCLKN = 2.00 V
∆VCLK = VCLK − VCLKN;
AC mode; DC voltage
level = 2.5 V
input resistance
input
capacitance
fCLK = 105 Msps
fCLK = 105 Msps
3.19
−
DGND
−
3.83
−
2.0
−
(tbf)
−
(tbf)
−
−
−
−
−
(tbf)
1.5
−
(tbf)
−
(tbf)
3.52
V
0.8
V
4.12
V
VCCD
V
−
µA
−
mA
(tbf)
µA
(tbf)
mA
(tbf)
V
−
MΩ
−
pF
2003 Dec 09
7
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