MIC7122 Datasheet, PDF (4/8 Pages) Micrel Semiconductor – Rail-to-Rail Dual Op Amp Preliminary Information

MIC7122
Micrel
DC Electrical Characteristics (15V)
V_V+ = +15V, V_V– = 0V, V_CM = 1.5V, V_OUT = V_V+/2; R_L = 1MΩ; T_J = 25°C, bold values indicate –40°C ≤ T_J ≤ +85°C; Note 7; unless noted
Symbol
Parameter
Condition
Min Typ Max Units
V_OS
TCV_OS
I_B
Input Offset Voltage
Input Offset Voltage Average Drift
Input Bias Current
0.5
9
mV
3.0
µV/°C
1.0
10
pA
64
500
pA
I_OS
Input Offset Current
0.5
5
pA
32
250
pA
R_IN
CMRR
±PSRR
A_V
C_IN
V_OUT
Input Resistance
>1
Common-Mode Rejection Ratio
-0.3V ≤ V_CM ≤ 15.3V, Note 9
60
85
Power Supply Rejection Ratio
V_V+ = V_V– = 2.5V to 7.5V, V_OUT = V_CM = 0 55
100
Large Signal Voltage Gain
sourcing or sinking,
340
R_L = 2k, Note 10
sourcing or sinking,
300
R_L = 600Ω, Note 10
Common-Mode Input Capacitance
3
Output Swing
output high, R_L = 100k
0.8
specified as V_V+ – V_OUT
output low, R_L = 100k
0.8
TΩ
dB
dB
V/mV
V/mV
pF
2
mV
3
mV
2
mV
3
mV
output high, R_L = 2k
specified as V_V+ – V_OUT
output low, R_L = 2k
40
80
mV
120 mV
40
80
mV
120 mV
output high, R_L = 600Ω
specified as V_V+ – V_OUT
output low, R_L = 600Ω
130 270 mV
400 mV
130 270 mV
400 mV
I_SC
Output Short Circuit Current
sinking or sourcing, Notes 8
I_S
Supply Current
both amplifiers
50
250
mA
0.9
2.0
mA
AC Electrical Characteristics (15V)
V_V+ = 15V, V_V– = 0V, V_CM = 1.5V, V_OUT = V_V+/2; R_L = 1MΩ; T_J = 25°C, bold values indicate –40°C ≤ T_J ≤ +85°C; Note 7; unless noted
Symbol
Parameter
Condition
Min Typ Max Units
THD
SR
Total Harmonic Distortion
Slew Rate
f = 1kHz, A_V = –2,
R_L = 2k, V_OUT = 8.5 V_PP
V+ = 15V, Note 11
0.01
%
0.5
V/µs
GBW
Gain-Bandwidth Product
420
kHz
φ_m
Phase Margin
C_L = 0pF
C_L = 500pF
G_m
Gain Margin
e_n
Input-Referred Voltage Noise
f = 1kHz, V_CM = 1V
i_n
Input-Referred Current Noise
f = 1kHz
Interamplifier Isolation
Note 12
85
°
40
°
10
dB
37
nV/ Hz
1.5
fA/ Hz
90
dB
MIC7122
4
March 1999