TDA8779 Datasheet, PDF (6/20 Pages) NXP Semiconductors – 10-bit converter interface ADC/DAC for quadrature transceiver

Philips Semiconductors
10-bit converter interface (ADC/DAC) for
quadrature transceiver
Objective specification
TDA8779
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
V_CCA1
V_CCA2
V_CCD1
V_CCD2
V_CCO
∆V_CC
I_o
V_i
V_clk(p-p)
T_stg
T_amb
T_j
analog supply voltage for ADC part
analog supply voltage for DAC part
digital supply voltage for ADC part
digital supply voltage for DAC part
output stage supply voltage
voltage difference between:
V_CCA − V_CCD
V_CCA − V_CCO
V_CCD − V_CCO
output current
input voltage
referenced to AGND
AC input switching voltage (peak-to-peak value) referenced to DGND
storage temperature
operating ambient temperature
junction temperature
MIN.
−0.3
−0.3
−0.3
−0.3
−0.3
MAX.
+7.0
+7.0
+7.0
+7.0
+7.0
UNIT
V
V
V
V
V
−1.0 +1.0 V
−1.0 +4.0 V
−1.0 +4.0 V
−
10
mA
−0.3 +7.0 V
−
V_CCD V
−55
+150 °C
−20
+75
°C
−
150
°C
THERMAL CHARACTERISTICS
SYMBOL
R_{th j-a}
PARAMETER
thermal resistance from junction to ambient
CONDITIONS
in free air
VALUE
75
UNIT
K/W
CHARACTERISTICS
V_CCA = V₇ and V₈ to V₁ and V₁₃ = 4.75 to 5.5 V; V_CCD = V₃₁ and V₁₄ to V₂₈ and V₂₅ = 4.75 to 5.5 V;
V_CCO = V₄₄ to V₃₃ = 2.7 to 5.5 ; AGND1, AGND2, OGND, DGND1 and DGND2 are shorted together;
T_amb = −20 to +70 °C; measured typically at V_CCA = V_CCD = 5 V and V_CCO = 3 V; C_L = 15 pF; T_amb = 25°C; unless
otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Supplies
V_CCA1
V_CCD1
V_CCA2
V_CCD2
V_CCO
∆V_CC
I_CCA
I_CCD
analog supply voltage for ADC part
digital supply voltage for ADC part
analog supply voltage for DAC part
digital supply voltage for DAC part
output stage supply voltage
voltage difference between
V_CCA − V_CCD
V_CCA − V_CCO
V_CCD − V_CCO
analog supply current
digital supply current
4.75
5.0 5.5 V
4.75
5.0 5.5 V
4.75
5.0 5.5 V
4.75
5.0 5.5 V
2.7
3.0 5.5 V
−0.2
−
+0.2 V
−0.2
−
+2.5 V
−0.2
−
+2.5 V
−
71 −
mA
−
31 −
mA
1996 Sep 18
6