MAX5426 Maxim Integrated Products, MAX5426 Datasheet - Page 3

• Manufacturer Part Number: MAX5426
• Description: Precision Resistor Network
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS (continued)
(V
Note 1: Total error when configured as instrumentation amplifier. Assumes ideal op amps.
Note 2: Each stage (input stage and output stage) is tested for accuracy separately and combined to give the total gain accuracy.
Note 3: Gain of 1 configuration is open circuit (infinite impedance).
Note 4: Equivalent load at each pin is calculated according to instrumentation amplifier configuration and assumes ideal op amps.
Note 5: See Timing Diagram.
Resistance Between FB1 and FB2
(Note 3)
Resistance Between OUT2 and
FB2
Input Impedance at FB1
Input Impedance at FB2
Input Impedance at OUT1
(Note 4)
Input Impedance at OUT2
(Note 4)
Input Impedance at INDIF+
(Note 4)
Input Impedance at INDIF-
(Note 4)
Input Impedance at OUT (Note 4)
Input Impedance at OFFSET
(Note 4)
POWER REQUIREMENTS
Positive Power-Supply Voltage
Negative Power-Supply Voltage
Positive Supply Current
Negative Supply Current
TIMING REQUIREMENTS
Switching Time (Note 5)
DD
= +15V, V
The input stage is tested as follows: OUT1 = 10V, OUT2 = 0. Output stage is tested as follows OUT1 = 10V, OUT2 = 0 and
OUT2 = 10V, OFFSET = 0.
PARAMETER
SS
Programmable Instrumentation Amplifiers
= -15V, GND = 0, T
_______________________________________________________________________________________
A
R
t
R
SWITCHING
SYMBOL
OUT2,
= T
Z
FB1,
Z
Z
Z
Z
OFFSET
Z
Z
Z
INDIF+
INDIF-
V
V
OUT1
OUT2
I
I
OUT
FB1
FB2
DD
MIN
SS
DD
SS
R
R
FB2
FB2
Precision Resistor Network for
to T
MAX
Gain = 1
Gain = 2
Gain = 4
Gain = 8
Gain = 1
Gain = 2
Gain = 4
Gain = 8
D1 = D0 = 0
D1 = D0 = 5V
(Figure 3)
Gain = 2
Gain = 4
Gain = 8
Gain = 1
Gain = 2
Gain = 4
Gain = 8
, unless otherwise noted. Typical values are at T
CONDITIONS
-15.75
4.75
MIN
A
= +25°C.)
TYP
0.01
9.5
9.5
29
15
15
22
26
12
13
12
13
26
26
10
36
60
7
0
0
0
0
0
0
0
15.75
-4.75
MAX
80
10
UNITS
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
µA
µA
ns
V
V
3
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