K51P81M72SF1 Datasheet, PDF (53/77 Pages) Freescale Semiconductor, Inc – K51 Sub-Family

6.6.5
Peripheral operating requirements and behaviors
Transimpedance amplifier electrical specifications — full range
Table 31. TRIAMP full range operating requirements
Symbol
V_DDA
V_IN
C_L
Description
Supply voltage
Input voltage range
Output load capacitance
Min.
1.71
-0.1
—
Max.
3.6
V_DDA-1.4
100
Unit
V
V
pf
Notes
Table 32. TRIAMP full range operating behaviors
Symbol
I_SUPPLY
I_SUPPLY
V_OS
α_VOS
I_OS
I_BIAS
R_IN
C_IN
R_OUT
Description
Min.
Supply current (I_OUT=0mA, CL=0) — Low-power —
mode
Supply current (I_OUT=0mA, CL=0) — High-speed —
mode
Input offset voltage
—
Input offset voltage temperature coefficient
—
Input offset current
—
Input bias current
—
Input resistance
500
Input capacitance
—
Output AC impedance
—
Typ.
60
280
±3
4.8
±0.3
±0.3
—
17
—
Max.
80
450
±5
—
±5
±5
—
—
1500
Unit
μA
μA
mV
μV/C
nA
nA
MΩ
pF
Ω
|X_IN|
CMRR
PSRR
SR
SR
GBW
GBW
A_V
VOUT
I_OUT
GM
PM
Vn
Vn
AC input impedance (f_IN=100kHz)
—
Input common mode rejection ratio
60
Power supply rejection ratio
60
Slew rate (ΔV_IN=100mV) — Low-power mode 0.1
Slew rate (ΔV_IN=100mV) — High speed mode 1
Unity gain bandwidth — Low-power mode 50pF 0.15
Unity gain bandwidth — High speed mode 50pF 1
DC open-loop voltage gain
80
Output voltage range
0.15
Output load current
—
Gain margin
—
Phase margin
50
Voltage noise density (noise floor) 1kHz
—
Voltage noise density (noise floor) 10kHz
—
159
—
—
—
—
—
—
—
—
±0.5
20
60
280
100
—
—
—
—
—
—
—
—
V_DD-0.15
—
—
—
—
—
kΩ
dB
dB
V/μs
V/μs
MHz
MHz
dB
V
mA
dB
deg
nV/√Hz
nV/√Hz
Notes
@
100kHz,
High
speed
mode
K51 Sub-Family Data Sheet, Rev. 2, 4/2012.
Freescale Semiconductor, Inc.
53