True RMS-to-DC Converters
ELECTRICAL CHARACTERISTICS—MX636 (continued)
(TA = +25°C, +VS = +3V, -VS = -5V, unless otherwise noted.)
PARAMETER
CONDITIONS
INPUT CHARACTERISTICS
Continuous RMS, All Supplies
Input Signal Range
Peak Transient
+3V, -5V Supplies
±2.5V Supplies
±5V Supplies
Safe Input
All Supplies
Input Resistance
Input Offset Voltage
MX636J
MX636K
OUTPUT CHARACTERISTICS (Note 5)
Offset Voltage
TA = +25°C
TA = TMIN to TMAX
With Supply Voltage
MX636J
MX636K
Output Voltage Swing
+3V, -5V Supplies
±5V to ±16.5V Supplies
Output Resistance
dB OUTPUT
Error
7mV ≤ VIN ≤ 300mV
MX636J
MX636K
Scale Factor
Scale Factor Tempco
IREF
IREF Range
IOUT TERMINAL
IOUT Scale Factor
IOUT Scale Factor Tolerance
Output Resistance
0dB = 1VRMS
Voltage Compliance
BUFFER AMPLIFIER
Input and Output Voltage Range
Input Offset Voltage
Input Current
Input Resistance
Output Current
Short-Circuit Current
Small-Signal Bandwidth
Slew Rate (Note 9)
RS = 10kΩ
Source
Sink
MX636J
MX636K
MIN TYP MAX
0 to 200
±2.8
±2
±5
±12
5.33
6.7
8.00
±0.5
±0.2
0 to 1
0 to 1
8
±10
±0.1
1.4
10
±0.5
±0.2
12
±0.3 ±0.5
±0.1 ±0.2
-3
+0.33
-0.033
2
4
8
1
50
100
-20
±10
+20
8
10
12
-VS to
(+VS - 2.0)
-VS to
(+VS - 2)
±0.8
±2
±0.5
±1
100
300
108
+5
-130
20
1
5
UNITS
mVRMS
VPK
VPK
kΩ
mV
mV
µV/°C
mV/V
V
kΩ
dB
mV/dB
%/°C
dB/°C
µA
µA
µA/VRMS
%
kΩ
V
V
mV
nA
Ω
mA
µA
mA
MHz
V/µs
_______________________________________________________________________________________ 5