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参数资料
| 型号： | TDA8703T/C4 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | ADC |
| 英文描述： | 1-CH 8-BIT RESISTANCE LADDER ADC, PARALLEL ACCESS, PDSO24 |
| 封装： | PLASTIC, SO-24 |
| 文件页数： | 16/18页 |
| 文件大小： | 96K |
| 代理商： | TDA8703T/C4 |
1996 Aug 26
7
Philips Semiconductors
Product specication
8-bit high-speed analog-to-digital converter
TDA8703
CHARACTERISTICS
VCCA =V7 V3 = 4.5 V to 5.5 V; VCCD =V18 V20 = 4.5 V to 5.5 V; VCCO =V19 V20 = 4.5 V to 5.5 V; AGND and
DGND shorted together; VCCA VCCD = 0.5 V to +0.5 V; VCCO VCCD = 0.5 V to +0.5 V;
VCCA VCCD = 0.5 V to +0.5 V; Tamb =0 °C to +70 °C; unless otherwise specied (typical values measured at
VCCA =VCCD =VCCO = 5 V and Tamb =25 °C).
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
VCCA
analog supply voltage
4.5
5.0
5.5
V
VCCD
digital supply voltage
4.5
5.0
5.5
V
VCCO
output stages supply voltage
4.2
5.0
5.5
V
ICCA
analog supply current
28
36
mA
ICCD
digital supply current
19
25
mA
ICCO
output stage supply current
all outputs LOW
11
14
mA
Inputs
CLOCK INPUT CLK AND CLK (note 1; REFERENCED TO DGND)
VIL
LOW level input voltage
0
0.8
V
VIH
HIGH level input voltage
2.0
VCCD
V
IIL
LOW level input current
VCLK/VCLK = 0.4 V
400 A
IIH
HIGH level input current
VCLK/VCLK = 0.4 V
100
A
VCLK/VCLK =VCCD
300
A
Zi
input impedance
fCLK/fCLK =10MHz
4
k
Ci
input capacitance
fCLK/fCLK =10MHz
4.5
pF
VCLK VCLK AC input voltage for switching
(peak-to-peak value)
note 1; DC level = 1.5 V
0.5
2.0
V
TC AND CE (REFERENCED TO DGND)
VIL
LOW level input voltage
0
0.8
V
VIH
HIGH level input voltage
2.0
VCCD
V
IIL
LOW level input current
VIL = 0.4 V
400 A
IIH
HIGH level input current
VIH = 2.7 V
20
A
VI (ANALOG INPUT VOLTAGE REFERENCED TO AGND)
VVI(B)
input voltage (bottom)
1.33
1.41
1.48
V
VVI(0)
input voltage
output code = 0
1.455
1.55
1.635
V
VOS(B)
offset voltage (bottom)
VVI(0) VVI(B)
0.125
0.155
V
VVI(T)
input voltage (top)
3.2
3.36
3.5
V
VVI(255)
input voltage
output code = 255
3.115
3.26
3.385
V
VOS(T)
offset voltage (top)
VVI(T) VVI(255)
0.085
0.115
V
VVI(p-p)
input voltage amplitude (peak-to-peak value)
1.66
1.71
1.75
V
IIL
LOW level input current
VVI = 1.4 V
0
A
IIH
HIGH level input current
VVI = 3.6 V
60
120
180
A
Zi
input impedance
fi = 1 MHz
10
k
Ci
input capacitance
fi = 1 MHz
14
pF
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