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): 18/20頁(yè)
文件大?。?/td> 102K
代理商: TDF8704T/4-T
June 1994
7
Philips Semiconductors
Product specication
8-bit high-speed analog-to-digital converter
TDF8704
INPUT CE (REFERENCED TO DGND) SEE TABLE 2
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
Reference resistance
Rref
reference resistance
VRT to VRB
200
Outputs
DIGITAL OUTPUTS D7 TO D0 (REFERENCED TO DGND)
VOL
LOW level output voltage
IO = 1 mA;
Tamb = 0 to +85 °C
0
0.4
V
IO = 1 mA;
Tamb =0to 40 °C
0.6
V
VOH
HIGH level output voltage
IO = 0.4 mA
2.7
VCCD
V
IOZ
output current in 3-state
mode
0.4 V < VO < VCCD
20
+20
A
Switching characteristics
CLOCK INPUT CLK (NOTE 1; SEE FIG.15)
fclk(max)
maximum clock frequency
TDF8704T/2
20
MHz
TDF8704T/4
40
MHz
TDF8704T/5
50
MHz
tCPH
clock pulse width HIGH
7
ns
tCPL
clock pulse width LOW
7
ns
Analog signal processing
LINEARITY
ILE
DC integral linearity error
±0.4
±1.0
LSB
DLE
DC differential linearity error
±0.2
±0.5
LSB
AILE
AC integral linearity error
note 2
±2.0
LSB
BANDWIDTH (fclk =40MHZ)
B
0.5 dB analog bandwidth
(note 3)
full-scale sine wave
12
MHz
75% full-scale sine wave
16
MHz
tSTLH
analog input settling time
LOW-to-HIGH
full-scale square wave;
Fig.8; note 4
2.5
3.5
ns
tSTHL
analog input settling time
HIGH-to-LOW
full-scale square wave;
Fig.8; note 4
3.0
4.0
ns
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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