參數(shù)資料
型號(hào)： TDF8704T/4-T
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： ADC
英文描述： 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO24
文件頁(yè)數(shù)： 17/20頁(yè)
文件大?。?/td> 102K
代理商： TDF8704T/4-T
June 1994
6
Philips Semiconductors
Product specication
8-bit high-speed analog-to-digital converter
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 specied.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
VCCA
analog supply voltage
4.75
5.0
5.25
V
VCCD
digital supply voltage
4.75
5.0
5.25
V
VCCO
output stages supply voltage
4.75
5.0
5.25
V
ICCA
analog supply current
37
46
mA
ICCD
digital supply current
23
35
mA
ICCO
output stages supply current
all outputs LOW
16
21
mA
Inputs
CLOCK INPUT CLK (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 = 0.4 V
400
A
IIH
HIGH level input current
Vclk = 2.7 V
100
A
Vclk =VCCD
300
A
ZI
input impedance
fclk = 50 MHz
2
k
CI
input capacitance
fclk = 50 MHz
4.5
pF
VI (ANALOG INPUT VOLTAGE REFERENCED TO AGDN; SEE FIGS 3 AND 4 AND TABLE 1)
VI(B)
input voltage (BOTTOM)
1.21
1.25
1.29
V
VI(0)
input voltage
output code = 0
1.42
1.48
1.51
V
Vos(B)
offset voltage (BOTTOM)
VI(0) to VI(B)
210
225
240
V
VI(T)
input voltage (TOP)
3.37
3.46
3.58
V
VI(255)
input voltage
output code = 255
3.14
3.22
3.30
V
Vos(T)
offset voltage (TOP)
VI(T) to VI(255)
225
240
255
V
VI(p-p)
input voltage amplitude
(peak-to-peak value)
1.69
1.74
1.79
V
IL
load current on VRT and VRB
300
+300
A
IIL
LOW level input current
VI = 1.25 V
0
A
IIH
HIGH level input current
VI = 3.46 V
40
150
400
A
ZI
input impedance
fi = 4.43 MHz
10
k
CI
input capacitance
fi = 4.43 MHz
14
pF
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