參數(shù)資料
型號(hào)： TDA8769HW/6
廠商： NXP SEMICONDUCTORS
元件分類： ADC
英文描述： 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48
封裝： 7 X 7 MM, 1.0 MM HEIGHT, PLASTIC, HTQFP-48
文件頁(yè)數(shù)： 26/28頁(yè)
文件大小： 232K
代理商： TDA8769HW/6
2003 Dec 09
7
Philips Semiconductors
Objective specication
12-bit, 60/80/105 Msps Analog-to-Digital Converter
(ADC) Nyquist/high IF sampling
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(pp) VINN(pp) = 1.9 V 0.5 dBFS; VVREF =VCCA3 1.75 V; Vi(CM ) =VCCA3 1.6 V; typical values measured at
VCCA =VCCD =5V, VCCO = 3.0 V, Tamb =25 °C and CL = 10 pF; unless otherwise specied.
SYMBOL
PARAMETER
CONDITIONS
TEST(1)
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
2.7
3.0
3.6
V
ICCA
analog supply
current
109
(tbf)
mA
ICCD
digital supply
current
48
(tbf)
mA
ICCO
output supply
current
fCLK = 80 Msps;
fi = 21.4 MHz
17.5
(tbf)
mA
Ptot
total power
dissipation
fCLK = 60 Msps;
fi = 21.4 MHz
825
(tbf)
mW
fCLK = 80 Msps;
fi = 21.4 MHz
840
(tbf)
mW
fCLK = 105 Msps;
fi = 21.4 MHz
855
(tbf)
mW
Clock inputs: pins CLK and CLKN; note 2
INPUTS
VIL
LOW-level input
voltage
referenced to DGND;
VCCD =5V
PECL mode
3.19
3.52
V
TTL mode
DGND
0.8
V
VIH
HIGH-level input
voltage
referenced to DGND;
VCCD =5V
PECL mode
3.83
4.12
V
TTL mode
2.0
VCCD
V
IIL
LOW-level input
current
VCLK or VCLKN = 3.52 V
(tbf)
A
VCLK or VCLKN = 0.80 V
(tbf)
mA
IIH
HIGH-level input
current
VCLK or VCLKN = 3.83 V
(tbf)
A
VCLK or VCLKN = 2.00 V
(tbf)
mA
VCLK
differential AC
input voltage for
switching
VCLK =VCLK VCLKN;
AC mode; DC voltage
level = 2.5 V
(tbf)
1.5
(tbf)
V
Ri
input resistance
fCLK = 105 Msps
(tbf)
M
Ci
input
capacitance
fCLK = 105 Msps
(tbf)
pF
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