MCP4901/4911/4921
DS22248A-page 6
2010 Microchip Technology Inc.
Multiplying Mode - Total
Harmonic Distortion
THDVREF
——
—
dB
VREF = 2.5V ±0.1Vp-p,
Frequency = 1 kHz
Output Amplifier
Output Swing
VOUT
—
0.01 to
VDD –
0.04
—
V
Accuracy is better than 1 LSb for
VOUT = 10 mV to (VDD – 40 mV)
Phase Margin
m
—
66
—
Degrees
Slew Rate
SR
—
0.55
—
V/s
Short Circuit Current
ISC
—17
—
mA
Settling Time
tsettling
—
4.5
—
s
Within 1/2 LSB of final value from
1/4 to 3/4 full-scale range
Major Code Transition
Glitch
—
45
—
nV-s
1 LSB change around major carry
(0111...1111 to 1000...0000)
Digital Feedthrough
—
10
—
nV-s
ELECTRICAL CHARACTERISTIC WITH EXTENDED TEMPERATURE (CONTINUED)
Electrical Specifications: Unless otherwise indicated, VDD = 5V, VSS = 0V, VREF = 2.048V, Output Buffer Gain
(G) = 2x, RL = 5 k to GND, CL = 100 pF. Typical values are at +125°C by characterization or simulation.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Note 1:
Guaranteed monotonic by design over all codes.
2:
This parameter is ensured by design, and not 100% tested.