AD537 Analog Devices, Inc., AD537 Datasheet - Page 2
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AD537
Manufacturer Part Number
AD537
Description
Integrated Circuit Voltage-to-frequency Converter
Manufacturer
Analog Devices, Inc.
Datasheet
1.AD537.pdf
(8 pages)
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AD537–SPECIFICATIONS
Model
CURRENT-TO-FREQUENCY CONVERTER
ANALOG INPUT AMPLIFIER
REFERENCE OUTPUTS
OUTPUT INTERFACE (Open Collector Output)
POWER SUPPLY
TEMPERATURE RANGE
PACKAGE OPTIONS
NOTES
**Specifications same as AD537K.
1
2
3
4
5
6
7
Specifications subject to change without notice.
*Specifications same as AD537JH.
Nonlinearity is specified for a current input level (I
reduced linearity. Nonlinearity is defined as deviation from a straight line from zero to full scale, expressed as a percentage of full scale.
Guaranteed not tested.
Maximum voltage input level is equal to the supply on either input terminal. However, large negative voltage levels can be applied to the negative terminal if the input is scaled to
a nominal 1 mA full scale through an appropriate value resistor (See Figure 2).
Loading the 1.0 volt or 1 mV/K outputs can cause a significant change in overall circuit performance, as indicated in the applications section. To maintain normal operation,
these outputs should be operated into the external buffer or an external amplifier.
Temperature reference output performance is specified from 0°C to +70°C for “J” and “K” devices, –55°C to +125°C for “S” model.
D = Ceramic DIP; H = Hermetic Metal Can. For outline information see Package Information section.
For AD537/883B specifications, refer to Analog Devices Military Products Databook.
Frequency Range
Nonlinearity
Full-Scale Calibration Error
(Voltage-to-Current Converter)
Voltage Input Range
Input Bias Current
Input Resistance (Noninverting)
Input Offset Voltage
Safe Input Voltage
Voltage Reference
Absolute Temperature Reference
(Symmetrical Square Wave)
Voltage, Rated Performance
Quiescent Current
Rated Performance
Storage
D-14 Ceramic DIP
H-10A Header
f
f
C = 0.01 µF, I
vs. Supply (f
vs. Temp (T
Single Supply
Dual Supply
(Either Input)
(Trimmable in “D” Package Only)
vs. Supply
vs. Temp (T
Absolute Value
vs. Temp (T
vs. Supply
Output Resistance
Nominal Output Level
Initial Calibration @ +25°C
Slope Error from 1.00 mV/K
Slope Nonlinearity
Output Resistance
Output Sink Current in Logic “0”
Output Leakage Current in Logic “1”
Logic Common Level Range
Rise/Fall Times (C
Single Supply
Dual Supply
MAX
MAX
V
(T
I
I
IN
IN
OUT
= 10 kHz
= 100 kHz
MIN
= l mA
= 1 µA
= 0.4 V max (T
to T
1
MAX
MIN
MIN
MIN
MAX
IN
3
to T
to T
< 100 kHz)
= 1.000 mA
to T
)
6, 7
4
5
T
= 0.01 µF)
MAX
MAX
MAX
MIN
)
)
)
to T
5
MAX
)
IN
) to the converter from 0.1 µA to 1000 µA. Converter has 100% overrange capability up to I
AD537JH
0 kHz to 150 kHz
0.15% max (0.1% typ)
0.25% max (0.15% typ)
± 10% max
± 0.1%/V max (0.01% typ)
± 150 ppm/°C max (50 ppm typ) *
0 to (+V
–V
100 nA
250 MΩ
5 mV max
200 µV/V max
5 µV/°C
± V
1.00 Volt ± 5% max
50 ppm/°C
± 0.03%/V max
380 Ω
1.00 mV/K
298 mV (± 5 mV typ)
± 0.02 mV/K
± 0.1 K
900 Ω
20 mA min
200 nA max
0.2 µs
1 µs
4.5 V to 36 V
± 5 V to ± 18 V
1.2 mA (2.5 mA max)
0°C to +70°C
–65°C to +150°C
AD537JH
–V
S
S
S
to (+V
to (+V
S
– 4) Volts (min)
(typical @ +25 C with V
S
S
– 4) Volts (min)
– 4) Volts
–2–
AD537JD
*
*
*
± 7% max
*
*
*
*
*
*
100 µV/V max 100 µV/V max
*
*
*
*
*
*
*
*
*
*
*
20 mA min
*
*
*
*
*
*
*
*
*
AD537JD
S
(total) = 5 V to 36 V, unless otherwise noted)
AD537KD
AD537KH
*
0.07% max
0.1% max
± 5% max
*
50 ppm/°C max (30 ppm typ)
*
*
*
*
2 mV max
1 µV/°C
*
*
100 ppm/°C max
*
*
*
298 mV (± 5 mV max)
*
*
*
20 mA min
*
*
*
*
*
*
*
*
*
AD537KD
AD537KH
IN
= 2000 µA with slightly
2
AD537SD
AD537SH
*
**
**
* *
*
250 ppm/°C max
*
*
*
*
**
**
10 µV/°C max
*
*
**
*
*
*
**
*
*
*
10 mA min
2 µA max
*
*
*
*
*
*
–55°C to +125°C
*
AD537SD
AD537SH
REV. C
1
1