Manual

19
AT84AD004
5390A–BDC–06/04
Functions Description
Table 6. Description of Functions
Name Function
V
CCA
Positive analog power supply
V
CCD
Positive digital power supply
V
CCO
Positive output power supply
GNDA Analog ground
GNDD Digital ground
GNDO Output ground
V
INI
, V
INIB
Differential analog inputs I
V
INQ
, V
INQB
Differential analog inputs Q
CLKOI, CLKOIN, CLKOQ,
CLKOQN
Differential output data ready I
and Q
CLKI, CLKIN, CLKQ, CLKQN Differential clock inputs I and Q
DDRB, DDRBN
Synchronous data ready reset
I and Q
Mode
Bit selection for 3-wire bus or
nominal setting
Clk
Input clock for 3-wire bus
interface
Data Input data for 3-wire bus
Ldn
Beginning and end of register
line for 3-wire bus interface
<D0AI0:DOAI7>
<D0AI0N:DOAI7N>
<D0BI0:DOBI7>
<D0BI0N:DOBI7N>
Differential output data port
channel I
<D0AQ0:DOAQ7>
<D0AQ0N:DOAQ7N>
<D0BQ0:DOBQ7>
<D0BQ0N:DOBQ7N>
Differential output data port
channel Q
DOIRI, DOIRIN DOIRQ,
DOIRQN
Differential output IN range
data I and Q
VtestQ
Test voltage output for ADC Q
(to be left open)
VtestI
Test voltage output for ADC I
(to be left open)
Cal
Output bit status internal
calibration
Vdiode
Test diode voltage for T
j
measurement
VINI
VINIB
CLKI
CLKIB
D0AI0 DOAI7
D0AI0N DOAI7N
D0BI0 DOBI7
D0BI0N DOBI7N
32
GNDD
VCCA = 3.3V
AT84AD004
GNDO
GNDA
VINQ
VINQB
VCCD = 3.3V VCCO = 2.25V
D0AQ0 DOAQ7
D0AQ0 DOAQ7
DOBQ0 DOQBQ7
DOBQ0N DOQBQ7N
32
DOIRI, DOIRIN
DOIRQ, DOIRQN
4
CLOCKOI, CLOCKOIB
CLOCKOQ, CLOCKOQB
4
CLKQ
CLKQB
mode dataclk ldn
VtestI
VtestQ
2
Vdiode