TDF8704 데이터 시트보기 (PDF) - Philips Electronics
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TDF8704 Datasheet PDF : 20 Pages
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Philips Semiconductors
8-bit high-speed analog-to-digital converter
Product specification
TDF8704
CHARACTERISTICS (see Tables 1 and 2)
VCCA = V7 to V6 = 4.75 to 5.25 V; VCCD = V18 to V17 = 4.75 to 5.25 V; VCCO = V19 and V21 to V20 = 4.75 to 5.25 V; AGND
and DGND shorted together; VCCA to VCCD = −0.25 to +0.25 V; VCCO to VCCD = −0.25 to +0.25 V;
VCCA to VCCD = −0.25 to +0.25 V; Tamb = −40 to +85 °C; typical readings taken at VCCA = VCCD = 5 V and Tamb = 25 °C;
unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
VCCA
VCCD
VCCO
ICCA
ICCD
ICCO
Inputs
analog supply voltage
digital supply voltage
output stages supply voltage
analog supply current
digital supply current
output stages supply current all outputs LOW
4.75
5.0
4.75
5.0
4.75
5.0
−
37
−
23
−
16
5.25
V
5.25
V
5.25
V
46
mA
35
mA
21
mA
CLOCK INPUT CLK (REFERENCED TO DGND)
VIL
LOW level input voltage
VIH
HIGH level input voltage
IIL
LOW level input current
Vclk = 0.4 V
IIH
HIGH level input current
Vclk = 2.7 V
Vclk = VCCD
ZI
input impedance
fclk = 50 MHz
CI
input capacitance
fclk = 50 MHz
0
2.0
−400
−
−
−
−
VI (ANALOG INPUT VOLTAGE REFERENCED TO AGDN; SEE FIGS 3 AND 4 AND TABLE 1)
VI(B)
VI(0)
Vos(B)
VI(T)
VI(255)
Vos(T)
VI(p-p)
input voltage (BOTTOM)
input voltage
offset voltage (BOTTOM)
input voltage (TOP)
input voltage
offset voltage (TOP)
input voltage amplitude
(peak-to-peak value)
output code = 0
VI(0) to VI(B)
output code = 255
VI(T) to VI(255)
1.21
1.42
210
3.37
3.14
225
1.69
IL
load current on VRT and VRB
IIL
LOW level input current
VI = 1.25 V
IIH
HIGH level input current
VI = 3.46 V
ZI
input impedance
fi = 4.43 MHz
CI
input capacitance
fi = 4.43 MHz
−300
−
40
−
−
−
−
−
−
−
2
4.5
1.25
1.48
225
3.46
3.22
240
1.74
−
0
150
10
14
0.8
V
VCCD
V
−
µA
100
µA
300
µA
−
kΩ
−
pF
1.29
V
1.51
V
240
V
3.58
V
3.30
V
255
V
1.79
V
+300
µA
−
µA
400
µA
−
kΩ
−
pF
June 1994
6
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