XRD5408/10/12
4
Rev. 1.20
ELECTRICAL CHARACTERISTICS (CONT’D)
Test Conditions: VDD= 5V, GND= 0V, REFIN= 2.048V (External), RL= 10kW, CL= 100pF, TA= TMIN to TMAX,
Unless Otherwise Noted.
Symbol
Parameter
Min.
Typ.
Max.
Unit
Conditions
Voltage Output (VOUT) XRD5408/10/12
VO
Output Voltage Range
0
VDD--0.4
V
VREG
Output Load Regulation
2
4
mV
VOUT = 2V, RL=2kW
+ISC
Short-Circuit Current, Sink
13
mA
VOUT = VDD
-ISC
Short-Circuit Current, Source
7
mA
VOUT = GND
Voltage Reference Input (VREFIN) XRD5408/10/12
VREFIN
Voltage Range
0
VDD
V
Output Swing Limited, Not Code Dependent
RIN
Input Resistance
40
65
kW
TCRIN
Input Resistance Tempco
1500
ppm/°C
CIN
Input Capacitance
32
40
pF
Not Code Dependent
ACFT
AC Feedthrough
-80
dB
REFIN = 1kHz, 2Vp-p, SDIN=000h
Digital Inputs (SDIN, SCLK, CS) XRD5408/10/12
VIH
Input High
3.5
V
VIL
Input Low
1
V
IIN
Input Current
±1
mA
VIN=0V or VDD
CIN
Input Capacitance
10
pF
Digital Output (DOUT) XRD5408/10/12
VOH
Output High
VDD-1
V
ISOURCE=4mA
VOL
Output Low
0.4
V
ISINK=4mA
Dynamic Performance XRD5408/10/12
SR
Voltage-Output Slew Rate
0.13
0.21
V/ms
TA=+25°C
ts
Voltage-Output Settling Time
13
15
ms
±1/2LSB, VOUT=2V
DFT
Digital Feedthrough
1
nV-s
CS=VDD, SDIN=SCLK=100kHz
SINAD
Signal-to-Noise Plus Distortion
68
dB
VREFIN=1kHz, 2Vp-p F.S., SDIN=Full
Scale, --3dB BW=250kHz
Power Supply XRD5408/10/12
VDD
Positive Supply Voltage
4.5
5.5
V
IDD
Power Supply Current
35
60
mA
All Inputs=0V or VDD, Output=No Load,
IREF Not Included, VO=0V (Note 1)
Switching Characteristics XRD5408/10/12
tCSS
CS Setup Time
10
20
ns
tCSH0
SCLK Fall to CS Fall Hold Time
5
ns
tCSH1
SCLK Fall to CS Rise Hold TIme
0
ns
tCH
SCLK High Width
20
35
ns
tCL
SCLK Low Width
20
35
ns
Notes:
1 Total supply current consumption = IDD + IREF + (VO / 70K.)