Datasheet

© 2011 Microchip Technology Inc. DS25007B-page 5
MCP6V26/7/8
TABLE 1-2: AC ELECTRICAL SPECIFICATIONS
Electrical Characteristics: Unless otherwise indicated, T
A
= +25°C, V
DD
= +2.3V to +5.5V, V
SS
= GND,
V
CM
= V
DD
/3, V
OUT
=V
DD
/2, V
L
=V
DD
/2, R
L
= 10 kΩ to V
L
, C
L
= 60 pF and CS = GND (refer to Figure 1-5 and
Figure 1-6).
Parameters Sym Min Typ Max Units Conditions
Amplifier AC Response
Gain Bandwidth Product GBWP — 2.0 — MHz
Slew Rate SR — 1.0 — V/µs
Phase Margin PM — 65 — ° G = +1
Amplifier Noise Response
Input Noise Voltage E
ni
—0.32 — µV
P-P
f = 0.01 Hz to 1 Hz
E
ni
—1.0 — µV
P-P
f = 0.1 Hz to 10 Hz
Input Noise Voltage Density e
ni
—50 — nV/√Hz f < 5 kHz
e
ni
—29 — nV/√Hz f = 100 kHz
Input Noise Current Density i
ni
—0.6 — fA/√Hz
Amplifier Distortion (Note 1)
Intermodulation Distortion (AC) IMD — 40 — µV
PK
V
CM
tone = 50 mV
PK
at 1 kHz,
G
N
= 1
Amplifier Step Response
Start Up Time t
STR
— 75 — µs G = +1, V
OS
within 50 µV of its final value
(Note 2)
Offset Correction Settling Time t
STL
— 150 — µs G = +1, V
IN
step of 2V,
V
OS
within 50 µV of its final value
Output Overdrive Recovery Time t
ODR
— 45 — µs G = -100, ±0.5V input overdrive to V
DD
/2,
V
IN
50% point to V
OUT
90% point
(Note 3)
Note 1: These parameters were characterized using the circuit in Figure 1-7. In Figure 2-37 and Figure 2-38, there
is an IMD tone at DC, a residual tone at 1 kHz, other IMD tones and clock tones.
2: High gains behave differently; see Section 4.3.3, Offset at Power Up.
3: t
ODR
includes some uncertainty due to clock edge timing.