Datasheet

PIC16F785/HV785
DS41249E-page 158 © 2008 Microchip Technology Inc.
TABLE 19-11: OPERATIONAL AMPLIFIER (OPA) MODULE DC SPECIFICATIONS
TABLE 19-12: OPERATIONAL AMPLIFIER (OPA) MODULE AC SPECIFICATIONS
TABLE 19-13: TWO-PHASE PWM DEAD TIME DELAY SPECIFICATIONS
OPA DC CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
V
CM = 0V, VOUT = VDD/2, VDD = 5.0V, VSS = 0V, CL = 50pF,
R
L = 100k
Operating temperature -40°C ≤ T
A ≤ +125°C
Param
No.
Sym Characteristics Min Typ Max Units Comments
OPA01 VOS Input Offset Voltage — ±5—mV
OPA02*
OPA03*
I
B
IOS
Input current and impedance
Input bias current
Input offset bias current
—
—
±2*
±1*
—
—
nA
pA
OPA04*
OPA05*
V
CM
CMR
Common Mode
Common mode input range
Common mode rejection
V
SS
65
—
70
V
DD – 1.4
—
V
dB
VDD = 5.0V
V
CM = VDD/2, Freq. = DC
OPA06A*
OPA06B*
A
OL
AOL
Open Loop Gain
DC Open loop gain
DC Open loop gain
—
—
90
60
—
—
dB
dB
No load
Standard load
OPA07*
OPA08*
Vout
Isc
Output
Output voltage swing
Output short circuit current
V
SS+100
—
—
25
VDD – 100
28
mV
mA
To VDD/2 (20 kΩ
connected to V
DD,
20 kΩ + 20 pF to Vss)
OPA10 PSR
Power Supply
Power supply rejection 80 — — dB
* These parameters are characterized but not tested.
OPA AC CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
V
CM = 0V, VOUT = VDD/2, VDD = 5.0V, VSS = 0V, CL = 50 pF,
R
L = 100k
Operating temperature -40°C ≤ T
A ≤ +125°C
Param
No.
Symbol Characteristics Min Typ Max Units Comments
OPA11* GBWP Gain bandwidth product — 3 — MHz
OPA12* T
ON Turn on time — 10 15 μs
OPA13* ΘM Phase margin — 60 — deg
OPA14* SR Slew rate 2 — — V/μs
* These parameters are characterized but not tested.
Dead Time Delay Characteristics
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ T
A ≤ +125°C
Param
No.
Symbol Characteristics Min Typ Max Units Comments
PW01* TDLY Dead Time Delay 205 231 275 ns FOSC = 4 MHz,
maximum delay,
Complementary mode
* These parameters are characterized but not tested.