Source: http://dtsheet.com/doc/94679/ad-ad628arm
Timestamp: 2019-04-26 12:34:56+00:00

Document:
output within the input range of single-supply ADCs.
capacitor charging of ∑-∆ ADCs.
the standard industrial temperature range of −40°C to +85°C.
TA = 25°C, VS = ±15 V, RL = 2 kΩ, REXT1 = 10 kΩ, REXT2 = ∞, VREF = 0 unless otherwise noted.
VOCM = 0 V. RTI of input pins2.
Output amp G = +1.
G = +0.1 to +100.
VS = ±10 V to ±18 V.
0.1 Hz to 10 Hz.
G = +0.1, to 0.01%, 100 V step.
G = (1 + REXT1/REXT2).
G = +1, VOUT = ±10 V.
To use a lower gain, see the Gain Adjustment section.
The addition of the difference amp’s and output amp’s offset voltage does not exceed this specification.
TA = 25°C, VS = +5 V, RL = 2 kΩ, REXT1 = 10 kΩ, REXT2 = ∞, VREF = +2.5 unless otherwise noted.
VOCM = 2.25 V. RTI of input pins2.
RTI of input pins. G = 0.1 to 100.
VS = 4.5 V to 10 V.
G = +0.1, to 0.01%, 30 V step.
VCM = 1 V to 4 V.
VOUT = 1 V to 4 V.
G = +1, VOUT = 1 V to 4 V.
RTI of input pins. G = +0.1 to +100.
Greater values of voltage are possible with greater or lesser values of VREF.
When using ±12 V supplies or higher (see the Input Voltage Range section).
Figure 15. Common-Mode Operating Range vs.
the output amplifier and is accessible to the user at Pin 4 (CFILT).
or a clamp circuit may be connected to limit the output swing.
establishes the output common-mode voltage at Pin 5 (OUT).
ground, input impedance balance and, therefore, commonmode rejection, are preserved at higher frequencies.
internal 10 kΩ resistor. Both inputs are accessible to the user.
Figure 31. Input Common-Mode Voltage vs.
REXT4. A2 would be configured for unity gain.
and 1.2 V is the headroom needed for suitable performance.
Specifications table (Table 1) to maintain optimal performance.
common-mode input voltage bounds for single-supply voltages.
should be kept between VS− + 0.9 V and VS+ − 0.9 V.
changed. An AD7715-5 ADC is illustrated for this example.
common-mode voltage will be 2.5 V.
further reduction in amplitude and reference.
single-supply converter voltages. REXT3 is included as an option.
described in more detail in the Gain Adjustment section.
differential input signal to the desired output voltage.
amplitudes to the input of a single-supply ADC.
be the same as the reference voltage.
where ft is the desired 3 dB filter frequency.

References: V. 
 V.

 V.

 V. 
 V.

 V.

 V.

 V.

 V.

 V.