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Voltage-to-Frequency Converter TO-100
Varenummer:128-665
Varekode:AD537JH
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Inkl. moms:
Kr. 100,00
AD537JH
AD537–SPECIFICATIONS
(typical @ +25
8
C with V
S
(total) = 5 V to 36 V, unless otherwise noted)
AD537KD AD537SD
1
Model AD537JH AD537JD AD537KH AD537SH
1
CURRENT-TO-FREQUENCY CONVERTER
Frequency Range 0 kHz to 150 kHz * * *
Nonlinearity
1
f
MAX
= 10 kHz 0.15% max (0.1% typ) * 0.07% max **
f
MAX
= 100 kHz 0.25% max (0.15% typ) * 0.1% max **
Full-Scale Calibration Error
C = 0.01
μ
F, I
IN
= 1.000 mA
±
10% max
±
7% max
±
5% max * *
vs. Supply (f
MAX
< 100 kHz)
±
0.1%/V max (0.01% typ) * * *
vs. Temp (T
MIN
to T
MAX
)
±
150 ppm/
°
C max (50 ppm typ) * 50 ppm/
°
C max (30 ppm typ)
2
250 ppm/
°
C max
ANALOG INPUT AMPLIFIER
(Voltage-to-Current Converter)
Voltage Input Range
Single Supply 0 to (+V
S
– 4) Volts (min) * * *
Dual Supply –V
S
to (+V
S
– 4) Volts (min) * * *
Input Bias Current
(Either Input) 100 nA * * *
Input Resistance (Noninverting) 250 M
Ω
** *
Input Offset Voltage
(Trimmable in “D” Package Only) 5 mV max * 2 mV max **
vs. Supply 200
μ
V/V max 100
μ
V/V max 100
μ
V/V max **
vs. Temp (T
MIN
to T
MAX
)5
μ
V/
°
C*1
μ
V/
°
C10
μ
V/
°
C max
Safe Input Voltage
3
±
V
S
** *
REFERENCE OUTPUTS
Voltage Reference
Absolute Value 1.00 Volt
±
5% max * * *
vs. Temp (T
MIN
to T
MAX
) 50 ppm/
°
C * 100 ppm/
°
C max **
vs. Supply
±
0.03%/V max * * *
Output Resistance
4
380
Ω
** *
Absolute Temperature Reference
5
Nominal Output Level 1.00 mV/K * * *
Initial Calibration @ +25
°
C 298 mV (
±
5 mV) * 298 mV (
±
5 mV max) **
Slope Error from 1.00 mV/K
±
0.02 mV/K * * *
Slope Nonlinearity
±
0.1 K * * *
Output Resistance
5
900
Ω
** *
OUTPUT INTERFACE (Open Collector Output)
(Symmetrical Square Wave)
Output Sink Current in Logic “0”
V
OUT
= 0.4 V max (T
MIN
to T
MAX
) 20 mA min 20 mA min 20 mA min 10 mA min
Output Leakage Current in Logic “1”
(T
MIN
to T
MAX
) 200 nA max * * 2
μ
A max
Logic Common Level Range –V
S
to (+V
S
– 4) Volts * * *
Rise/Fall Times (C
T
= 0.01
μ
F)
I
IN
= l mA 0.2
μ
s** *
I
IN
= 1
μ
A1
μ
s** *
POWER SUPPLY
Voltage, Rated Performance
Single Supply 4.5 V to 36 V * * *
Dual Supply
±
5 V to
±
18 V * * *
Quiescent Current 1.2 mA (2.5 mA max) * * *
TEMPERATURE RANGE
Rated Performance 0
°
C to +70
°
C * * –55
°
C to +125
°
C
Storage –65
°
C to +150
°
C** *
PACKAGE OPTIONS
6, 7
TO-116 Ceramic DIP (D-14) AD537JD AD537KD AD537SD
TO-100 Header (H-10A) AD537JH AD537KH AD537SH
NOTES
*
Specifications same as AD537JH.
**Specifications same as AD537K.
1
Nonlinearity is specified for a current input level (I
IN
) to the converter from 0.1
μ
A to 1000
μ
A. Converter has 100% overrange capability up to I
IN
= 2000
μ
A with slightly
reduced linearity. Nonlinearity is defined as deviation from a straight line from zero to full scale, expressed as a percentage of full scale.
2
Guaranteed not tested.
3
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).
4
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.
5
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.
6
D = Ceramic DIP; H = Hermetic Metal Can. For outline information see Package Information section.
7
For AD537/883B specifications, refer to
Analog Devices Military Products Databook
.
Specifications subject to change without notice.

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