1999 Feb 16 7
Philips Semiconductors Preliminary specification
12-bit high-speed Analog-to-Digital
Converter (ADC) TDA8767CHARACTERISTICS
VCCA =V
2to V44, V9to V10, V3to V4 and V41 to V40 = 4.75 to 5.25 V; VCCD =V
37 to V38 and V15 to V17 = 4.75 to 5.25 V;
VCCO =V
33 to V34 = 3.0 to 5.25 V; AGND and DGND shorted together; Tamb = 0 to +70 °C; typical values measured at
VCCA =V
CCD = 5 V and VCCO = 3.3 V; Vi(p-p) −Vi(p-p) = 2.0 V; CL= 15 pF and Tamb =25°C; unless otherwise specified.
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 supply voltage 3.0 3.3 5.25 V
ICCA analog supply current −40 tbf mA
ICCD digital supply current −22 tbf mA
ICCO output supply current fclk = 20 MHz; fi= 4.43 MHz −12 tbf mA
Inputs
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 = 0.3VCCD −400 −−µA
I
IH HIGH-level input current Vclk = 0.7VCCD −−100 µA
Vclk =V
CCD −−300 µA
Ziinput impedance fclk = 30 MHz −2−kΩ
Ciinput capacitance fclk = 30 MHz −2−pF
TC; SH AND OE (REFERENCED TO DGND); see Tables3 and 4
VIL LOW-level input voltage 0 −0.8 V
VIH HIGH-level input voltage 2.0 −VCCD V
IIL LOW-level input current VIL = 0.3VCCD −400 −−µA
I
IH HIGH-level input current VIH = 0.7VCCD −−20 µA
VIAND VI(REFERENCED TO AGND; see Tables1 AND 2); Vref =V
CCA −2V
I
IL LOW-level input current Vi= Vi−10 −µA
I
IH HIGH-level input current Vi= Vi−10 −µA
Z
iinput impedance fi= 4.43 MHz −10 −kΩ
Ciinput capacitance fi= 4.43 MHz −2−pF
Vios(d) input offset voltage in
differential mode VI= VI; output code 2047
VCCA = 5 V tbf 2.5 tbf V
VCCA = 4.75 V tbf 2.25 tbf V
VCCA = 5.25 V tbf 2.75 tbf V
Vios(s) input offset voltage in single
mode VI=V
ios(s); output
code 2047
VCCA = 5 V tbf 2.5 tbf V
VCCA = 4.75 V tbf 2.25 tbf V
VCCA = 5.25 V tbf 2.75 tbf V