Datasheet

®
ACF2101
2
V
OUT
= – I
IN
dt
SPECIFICATIONS
ELECTRICAL
At T
A
= +25°C, V+ = +5V, V– = –15V, Internal C
INTEGRATION
= C
INTERNAL
= 100pF, unless otherwise noted.
C
INTEGRATION
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
1
∫
ACF2101BP, BU
PARAMETER CONDITIONS MIN TYP MAX UNITS
ANALOG INPUT
INPUT RANGE
Input Current Range
Switched Input (S
W IN A, SW IN B) ±100 µA
Direct Input (I
N A, IN B) ±100 µA
INPUT IMPEDANCE
Switched Input
Hold Switch OFF 1000 GΩ
Hold Switch ON 1.5 kΩ
Direct Input Virtual Ground
HOLD SWITCH VOLTAGE
Hold Switch Withstand Voltage Hold Switch OFF –10 +0.5 V
OFFSET VOLTAGE
Input Offset Voltage ±0.5 ±2mV
Average Drift ±1 ±5 µV/°C
DIGITAL INPUTS
Logic Family TTL Compatible
V
IH
(Logic 1 = Switch OFF) 2 5.5 V
V
IL
(Logic 0 = Switch ON) –0.5 0.8 V
I
IH
V
IH
= +5V 2 µA
I
IL
V
IL
= 0V 0 µA
Switching Speed (All Switches)
Switch ON 200 ns
Switch OFF 200 ns
TRANSFER CHARACTERISTICS
TRANSFER FUNCTION V
DYNAMIC CHARACTERISTICS
Integrate Mode
Slew Rate 13 V/µs
Reset Mode
Slew Rate 3V/µs
Settling Time to 0.01%FSR
(1)
10V Step 5 10 µs
Overload Recovery Positive or Negative 5 µs
Output Multiplexer (Select Switches)
Settling Time to 0.01%FSR C
LOAD
< 1000pF 6.5 µs
Settling Time to 0.01%FSR C
LOAD
< 100pF 2 µs
INTEGRATION CAPACITOR (C
INTERNAL
)
Internal Capacitor
Value 100 pF
Accuracy 0.5 2 %
Temperature Coefficient –50 –25 0 ppm/°C
Memory 30 100 ppm of FSR
RESET SWITCH
Impedance
Reset OFF 1000 GΩ
Reset ON 1.5 kΩ
MODES OF OPERATION
Switch Hold Reset
Integrate Mode ON OFF
Hold Mode OFF OFF
Reset Mode ON/OFF ON
(Logic 1 = OFF, Logic 0 = ON)