Datasheet
11 www.national.com
Absolute Maximum Ratings
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Dis-
tributors for availability and specifications.
V
CC
to DGND 7V
Voltage at any digital inputs or outputs V
CC
+0.3V to DGND -0.3V
Voltage at any analog inputs or outputs V
CC
+0.3V to AGND-0.3V
Storage temperature range -65
o
C to +150
o
C
Lead temperature(Soldering, 10 Sec) 260
o
C
ESD (human body model) 2000 V
Latch-up immunity on any pin 200 mA
Electrical Characteristics
Unless otherwise noted, limits printed in bold characters are guaranteed for V
CC
(all supplies)=5.0V±5%,
DGND=AGND=0V, T
A
=-40°C to 85°C by correlation with 100% electrical testing at T
A
=25°C. All other limits are
assured by correlation with other production tests and/or product design and characterization. All digital signals
are referenced to DGND, and all analog signals are referenced to AGND. Typical are specified at V
CC
=+5V,
T
A
=25°C.
Digital Interface
Analog Interface
Symbol Parameter Conditions Min Typ Max Units
V
IL
Input low voltage All digital inputs 0.8 V
V
IH
Input high voltage All digital inputs 2.2 V
V
OL
Output low voltage IL=2mA 0.4 V
V
OH
Output high voltage IL=-2mA
IL=-100uA
2.4
3.5
V
V
I
IL
Input low current DGND<V
IN
<V
IL
, all digital inputs -10 10 µA
I
IH
Input high current V
IH
<V
IN
<V
CC
, all digital inputs -10 10 µA
I
OZ
Output current in high
impedance state
DGND<V
O
<V
CC
(DX)
-10 10
µA
Ci Input Capacitance 10 pF
I
XI
Input leakage current 1V<V
XI
<4V, all analog inputs in
Power UP mode
-200 200 nA
R
XI
Input resistance 1V<V
XI
<4V, all analog inputs 10 MΩ
C
XI
Input capacitance 1V<V
XI
<4V, all analog inputs 10 pF
V
CMXI
Transmit input common
mode voltage range
-10% 2.375 +10% V
V
CMXO
Receive input common
mode voltage range
-10% 2.375 +10% V
R
RO
Output resistance All analog outputs 5 10 Ω
R
ROZ
Output resistance in
PDN
2000 Ω
RL
RO
Load resistance 0.7V<V
RO
<4.1V, VROi 5000 Ω
CL
RO
Load capacitance VRO 100 pF
A
V
XA Voltage Gain VXI to GXO,RL on GXO>10kΩ 5000 V/V
F
U
XA Unity Gain Bandwidth 1 2 MHz
RL
GXO
Load resistance 0.7V<V
GX
<4.1V, GXOi 10000 Ω
CL
GXO
Load capacitance GXO 50 pF
V
RO
RX output drive level R
L
=5000Ω 1.12 Vrms