HT8632A
6MHz, Rail-to-Rail I/O CMOS Op Amps
Feature
Stable 6MHz GBWP with Low IQ of Only 480µA
Typical per Amplifier
Offset Voltage: +/-2mV Maximum
The HT8632A is CMOS dual op-amps with low
offset, stable high frequency response, low power, low
supply
High Slew Rate: 3.7V/µs
voltage, and rail-to-rail inputs and outputs.
HT8632A has a high gain-bandwidth product of
Input Bias Current: 1pA Typical
CMRR/PSRR:100dB/100dB
6MHz, 3.7V/µs slew rate while consuming only 48
Settling time to 0.1% with 2V Step: 0.46us
of supply current per amplifier. The maximum input
Beyond the Rails Input Common-Mode Range
Output Swing to within 10mV Typical of each Rail
No Phase Reversal for Overdriven Inputs
Supply Voltage Range: 2.1V to 5.5V
-40℃ to 125℃ Operation Range
General Description
Green, Popular Type Package
offset voltage is 2mV for HT8632A. Beyond the rail input The
and rail-to-rail output characteristics allow the full
power-supply voltage to be used for signal range.
operating range is from 2.5V to 5.5V.
This combination of features makes the HT8632A
superior among rail-to-rail input/output CMOS op to
amps in its power class. It is specified over the
extended industrial temperature rang -40 ℃~+125℃.
Applications
Active Filters, ASIC Input or Output Amplifier
The HT8632A can be used as cost-effective plug
replacements for many commercially available op
Sensor Interface
amps to reduce power and improve input/output
Smoke/Gas/Environment Sensors
range and performance.
Portable Instruments and Mobile Device
Audio Output
PCMCIA Cards
Battery or Solar Power Systems
Medical Equipment
Piezo Electrical Transducer Amplifier
Rev. 00
HT8632A
Absolute Maximum Ratings
(If out of these ratings, the filter may be fail or damaged)
Table 1
Symbol
VDD
parameter
Power supply
TA
TSTG
Operating ambient Temperature Range
Storage Temperature
rating
6
-40~+125
-65~+150
units
V
℃
℃
Recommended Operating Conditions
Table 2
Symbol
parameter
VDD
Power supply
TA
Operating ambient Temperature Range
rating
units
2.5~5.5
V
-40~+125
℃
Rev. 00
HT8632A
Electrical Characteristics
Specifications are at TA=+27℃, VDD=5V, VCM=VOUT=VDD/2, RL=10Kohm, CL=100pF
Symbol
Parameter
Spec
Units
Min
2.5
Typ
5
Max
5.5
V
-2
+/-0.6
+2
mV
VCC
Operating Supply Voltage
VOS
Input Offset Voltage
VOS_TC
Input Offset voltage Temp Drift
1.6
µV/℃
en
CIN
Input Voltage Noise Density: f=1KHz
25
nV/√Hz
Input Capacitance
Differential
1.5
pF
Common Mode
3.0
RIN
Input Resistance
IQ
Iout
Quiescent Current per Amplifier
Output Current
Vin_cm
VOL
Common mode Input voltage
Output Voltage from supply Swing
10
mV
CMRR
ISC
Common Mode Rejection Ratio
100
dB
Output short-circuit current
80
mA
PM
Phase Margin
65
°
GM
Gain Margin
-10
dB
GBWP
Gain-Bandwidth Product
6
MHz
PSRR
Power supply rejection ratio: 1Hz
1KHz
100
72
dB
ts
Settling time, 1.5V to 3.5V, Unity Gain: 0.1%
0.46
µs
SR
Slew Rate
3.7
µs
>100
GΩ
480
50
0
790
uA
mA
VDD-0.1
V
Rev. 00
HT8632A
Typical performance characteristics
At TA=+27℃, Vdd=5V, VCM=VOUT=VDD/2 RL=10Kohm CL=100pF
Rev. 00
HT8632A
PAD Definition
OUTA
1
INNA
2
8
VDD
7
OUTB
HT8632A
INPA
3
6
INNB
GND
4
5
INPB
Fig 2. Pad definition of HT8632A
Table 7. Pad definition
Name
I/O
Analog/Digital
Description
INP
I
A
Non-Inverting Input of Amplifier. Voltage range of this pin
can go from 0 to VDD.
GND
GROUND
GROUND
Ground pin. Connect to the most negative supply, ALL GND
pads are connected on die.
INN
I
A
Inverting Input of Amplifier. This pin has same voltage
range as INP.
OUT
O
A
Amplifier Output. The voltage range extends to within
millivolts of each supply rail.
VDD
POWER
POWER
Power supply (5V) ,connect to positive voltage supply
Rev. 00
HT8632A
Application Circuits
VIN
VOUT
R0
C0
Fig.3 Applications Circuits of HT8632A
Rev. 00
HT8632A
(DIP8)
A
8
Dimension, mm
5
Symbol
B
1
4
F
C
A
8.51
10.16
B
6.1
7.11
5.33
D
0.36
0.56
F
1.14
1.78
SEATING
PLANE
N
G
MAX
C
L
-T-
MIN
M
K
J
G
2.54
H
7.62
H
D
J
0°
10°
K
2.92
3.81
NOTES:
L
7.62
8.26
1. Dimensions “A”, “B” do not include mold flash or protrusions.
M
0.2
0.36
Maximum mold flash or protrusions 0.25 mm (0.010) per side.
N
0.38
0.25 (0.010) M
T
(SOP8)
Dimension, mm
A
8
Symbol
5
H
B P
1
G
4
C
-T-
MIN
MAX
A
4.8
5
B
3.8
4
C
1.35
1.75
D
0.33
0.51
F
0.4
1.27
R x 45
SEATING
G
1.27
H
5.72
PLANE
D
K
M
J
0.25 (0.010) M
T CM
F
J
0°
8°
NOTES:
K
0.1
0.25
1. Dimensions A and B do not include mold flash or protrusion.
M
0.19
0.25
2. Maximum mold flash or protrusion 0.15 mm (0.006) per side
P
5.8
6.2
R
0.25
0.5
for A; for B ‑ 0.25 mm (0.010) per side.
Rev. 00
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