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VFC121AP Datasheet(PDF) 2 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
Part # VFC121AP
Description  Precision Single Power Supply VOLTAGE-TO-FREQUENCY CONVERTER
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Manufacturer  BURR-BROWN [Burr-Brown (TI)]
Direct Link  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

VFC121AP Datasheet(HTML) 2 Page - Burr-Brown (TI)

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®
VFC121
2
SPECIFICATIONS
ELECTRICAL
At TA = +25°C, VS = +5V, and RIN = 8kΩ, unless otherwise noted.
VFC121AP
VFC121BP
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
ACCURACY
Nonlinearity: fFS = 100kHz
COS 1200pF, CINT = 2700pF
0.05
0.03
%FS
fFS = 1MHz
COS 68pF, CINT = 270pF
0.1
0.1
%FS
Gain Error:
fFS = 100kHz
COS 1200pF, CINT = 2700pF
10
*
%FS
Gain Drift:
fFS = 100kHz
TMIN to TMAX
80
40
ppm/
°C
Relative to VREF
+VS = +5V to +36V
100
40
ppm/
°C
PSRR
0.025
*
%/V
INPUT
Minimum Input Voltage
0*
V
Maximum Input Voltage
VS – 2.5
VS – 2
*
*
V
Impedance
10
100
*
*
M
IBIAS
150
300
*
*
nA
VOS
300
800
100
400
µV
VOS Drift
TMIN to TMAX
10
*
µV/°C
OPEN COLLECTOR OUTPUT
VSAT
IPULL UP = 10mA
0.4
*
V
ILEAKAGE
VPULL UP = 5V
1
*
µA
VPULL UP = 36V
10
*
µA
Fall Time
100
*
ns
Delay to Rise
RPULL UP = 470Ω
100
*
ns
Settling Time
To Specified Linearity for
(1)
Full Scale Input Step
REFERENCE VOLTAGE
Voltage
2.59
2.6
2.61
*
*
*
V
Voltage Drift
100
50
ppm/
°C
Load Regulation
IO = 0 to 10mA
10
*
mV
PSRR
VS = +5V to +36V
10
*
mV
Current Limit
Short Circuit Protected
INTEGRATOR AMPLIFIER OUTPUT
Output Voltage Range
RL = 100kΩ
0.8
2.9
*
*
V
COMPARATOR INPUT
IBIAS
+1
*
µA
Trigger Voltage
2.6
*
V
Input Voltage Range
0
2.9
*
*
V
THERMOMETER
VT
TA = +25°C
298
*
mV
VT Slope
TMIN to TMAX
1
*
mV/
°K
DISABLE INPUT
VHIGH (Disabled)
2
*
V
VLOW
0.8
*
V
IHIGH (Disabled)
VHIGH = 2V
10
*
µA
ILOW
VLOW = 0.8V
10
*
µA
POWER SUPPLY
Voltage
4.5
5
36
*
*
*
V
Current
7.5
10
*
*
mA
TEMPERATURE RANGE
Specified
–25
+85
*
*
°C
Storage
–40
+125
*
*
°C
* Same specification as VFC121AP.
NOTE: (1) One pulse of new frequency plus 1
µs.
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.
ORDERING INFORMATION
LINEARITY
ERROR, MAX
TEMPERATURE
MODEL
PACKAGE
(fS = 100kHz)
RANGE
1–24
25–99
100+
VFC121AP
Plastic DIP
0.05%
–25
°C to +85°C
VFC121BP
Plastic DIP
0.03%
–25
°C to +85°C


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