TDA8790 Ver la hoja de datos (PDF) - Philips Electronics
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TDA8790 Datasheet PDF : 20 Pages
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Philips Semiconductors
8-bit, 40 Msps 2.7 to 5.5 V universal
analog-to-digital converter
Product specification
TDA8790
SYMBOL
PARAMETER
RLAD
TCRLAD
resistor ladder
temperature coefficient of the
resistor ladder
VosB
VosT
Vi(p-p)
offset voltage BOTTOM
offset voltage TOP
analog input voltage (peak-to-peak
value)
CONDITIONS
note 2
note 2
note 3
MIN.
−
−
−
−
−
1.4
TYP.
2.2
1 860
4 092
170
170
1.76
MAX.
−
−
−
−
−
2.4
Outputs
DIGITAL OUTPUTS D7 TO D0 (REFERENCED TO VSSD)
VOL
LOW level output voltage
IO = 1 mA
VOH
HIGH level output voltage
IO = −1 mA
IOZ
output current in 3-state mode
0.4 V < VO < VDDO
Switching characteristics
0
−
VDDO − 0.5 −
−20
−
0.5
VDDO
+20
CLOCK INPUT CLK; see Fig.4; note 1
fclk(max)
tCPH
tCPL
maximum clock frequency
clock pulse width HIGH
clock pulse width LOW
Analog signal processing
40
−
−
9
−
−
9
−
−
LINEARITY
INL
integral non-linearity
DNL
differential non-linearity
fclk = 40 MHz; ramp input; −
see Fig.6
fclk = 40 MHz; ramp input; −
see Fig.7
±0.5 ±0.75
±0.25 ±0.5
BANDWIDTH (fclk = 40 MHz)
B
analog bandwidth
full-scale sine wave;
−
note 4
75% full-scale sine wave; −
note 4
50% full-scale sine wave; −
note 4
small signal at mid scale; −
Vi = ±10 LSB at
code 128; note 4
10
−
13
−
20
−
350 −
INPUT SET RESPONSE (fclk = 40 MHz; see Fig.8; note 5)
tSTLH
analog input settling time
LOW-to-HIGH
full-scale square wave
−
tSTHL
analog input settling time
HIGH-to-LOW
full-scale square wave
−
3
5
3
5
HARMONICS; (fclk = 40 MHZ; see Fig.9; note 6)
THD
total harmonic distortion
fi = 4.43 MHz
−
−50 −
UNIT
kΩ
ppm
mΩ/K
mV
mV
V
V
V
µA
MHz
ns
ns
LSB
LSB
MHz
MHz
MHz
MHz
ns
ns
dB
1996 Feb 21
7
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