MAX1978 Maxim, MAX1978 Datasheet - Page 6

• Manufacturer Part Number: MAX1978
• Description: Integrated Temperature Controllers for Peltier Modules
• Manufacturer: Maxim

Integrated Temperature
Controllers for Peltier Modules
ELECTRICAL CHARACTERISTICS (continued)
(V
unless otherwise noted.) (Note 5)
Note 3: Includes power FET leakage.
Note 4: CTLI gain is defined as:
Note 5: Specifications to -40°C are guaranteed by design, not production tested.
6
MAXV Threshold Accuracy
MAXV, MAXIP, MAXIN
Input Bias Current
CTLI Gain
CTLI Input Resistance
Error Amp Transconductance
ITEC Accuracy
ITEC Load Regulation
Instrumentation Amp
Input Bias Current
Instrumentation Amp
Offset Voltage
Instrumentation Amp
Preset Gain
Integrator Amp Input Bias Current
Integrator Amp Voltage Offset
Undedicated Chopper Amp Input
Bias Current
Undedicated Chopper Amp
Offset Voltage
BFB_ Buffer Error
UT and OT Leakage Current
UT and OT Output Low Voltage
DD
_______________________________________________________________________________________
= PV
A
DD
PARAMETER
CTLI
1 = PV
=
(
V
(
DD
V
CTLI
OSI
2 = SHDN = 5V, FREQ = GND, CTLI = FB+ = FB- = MAXV = MAXIP = MAXIN = REF, T
−
−
V
V
REF
CS
)
)
I
I
MAXV-BIAS
SYMBOL
MAXI_-BIAS
I
I
I
V
V
V
AIN-BIAS
∆V
DIF-BIAS
INT-BIAS
A
R
I
AIN-OS
DIF-OS
INT-OS
A
LEAK
V
g
CTLI
CTLI
ITEC
DIF
OL
m
,
CONDITIONS
V
V
V
V
V
V
1MΩ terminated at REF
V
V
-100mV, I
V
R
V
V
V
V
C
V
Sinking 4mA
MAXV
OS1
MAXV
DD
MAXV
CTLI
OS1
OS1
DD
DD
DD
DD
DD
LOAD
LOAD
UT
= 3V
= V
= 3V to 5.5V
= 3V to 5.5V
= 3V to 5.5V
= 3V to 5.5V
= 3V to 5.5V
to V
to V
to V
= 0.5V to 2.5V (Note 4)
= V
= V
= V
= 10kΩ to REF
< 100pF
OT
OS2
CS
CS
ITEC
REF
REF
MAXI_
= 5.5V
= +100mV or -100mV
= +100mV or
= ±4V, V
= ±10µA
✕
✕
0.67,
0.33, V
= 0.1V or 1.5V
DD
OS1
= 5V
to V
OS2
= ±2V,
-0.125
-200
-200
-200
MIN
-0.1
-10
-10
-10
9.5
0.5
50
45
-1
-2
-3
A
= -40°C to +85°C,
+0.125
+200
+200
+200
MAX
+0.1
10.5
+10
+10
+10
175
150
2.0
+1
+2
55
+3
1
1
UNITS
MΩ
V/V
V/V
mV
mV
µA
µS
nA
µV
nA
nA
µV
µV
µA
%
%
%