Datasheet

1
2
3
4
8
7
6
5
NC
(1)
V+
Out
NC
(1)
NC
(1)
-In
+In
V-
(1)NCdenotesnointernalconnection.
OutA
-InA
+InA
V+
+InB
-InB
OutB
1
2
3
4
5
6
7
14
13
12
11
10
9
8
DA
B C
OutD
-InD
+InD
V-
+InC
-InC
OutC
1
2
3
4
8
7
6
5
V+
OutB
-InB
+InB
OUTA
-InA
+InA
V-
A
B
OPA1641
OPA1642
OPA1644
SBOS484B –DECEMBER 2009–REVISED AUGUST 2010 www.ti.com
ELECTRICAL CHARACTERISTICS: V
S
= +4.5V to +36; ±2.25V to ±18V (continued)
At T
A
= +25°C, R
L
= 2kΩ connected to midsupply, V
CM
= V
OUT
= midsupply, unless otherwise noted.
OPA1641, OPA1642, OPA1644
PARAMETER CONDITIONS MIN TYP MAX UNIT
OUTPUT
Voltage Output Swing from Rail V
O
R
L
= 10kΩ, A
OL
≥ 120dB (V–)+0.2 (V+)–0.2 V
R
L
= 2kΩ, A
OL
≥ 114dB (V–)+0.35 (V+)–0.35 V
Output Current I
OUT
See Typical Characteristics
Open-Loop Output Impedance Z
O
See Typical Characteristics Ω
Short-Circuit Current I
SC
Source +36 mA
I
SC
Sink –30 mA
Capacitive Load Drive C
LOAD
See Typical Characteristics
POWER SUPPLY
Specified Voltage V
S
±2.25 ±18 V
Quiescent Current
I
Q
I
OUT
= 0A 1.8 2.3 mA
(per amplifier)
TEMPERATURE RANGE
Specified Range –40 +85 °C
Operating Range –55 +125 °C
Thermal Resistance q
JA
SO-8 138 °C/W
MSOP-8 180 °C/W
SO-14 97 °C/W
TSSOP-14 135 °C/W
PIN ASSIGNMENTS
OPA1641
OPA1644
SO-8, MSOP-8
SO-14, TSSOP-14
(TOP VIEW)
(TOP VIEW)
OPA1642
SO-8, MSOP-8
(TOP VIEW)
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Product Folder Link(s): OPA1641 OPA1642 OPA1644