AD8691/AD8692/AD8694 Data Sheet
Rev. F | Page 4 of 16
V
S
= 5.0 V, V
CM
= V
S
/2, T
A
= 25°C, unless otherwise noted.
Table 2.
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
V
CM
= 0.3 V to +3.9 V 0.4 2.0 mV
V
CM
= 0.1 V to +3.9 V; 40°C < T
A
< +125°C 3.0 mV
I
B
0.2
1
pA
40°C < T
A
< +85°C 50 pA
40°C < T
A
< +125°C 260 pA
Input Offset Current I
OS
0.1 0.5 pA
40°C < T
A
< +85°C 20 pA
40°C < T
A
< +125°C 75 pA
Input Voltage Range −0.3 +3.9 V
Common-Mode Rejection Ratio CMRR V
CM
= 0.3 V to +3.9 V 70 95 dB
V
CM
= 0.1 V to +3.9 V; 40°C < T
A
< +125°C 67 95 dB
Large Signal Voltage Gain A
VO
AD8691/AD8692 V
O
= 0.5 V to 4.5 V, R
L
= 2 k, V
CM
= 0 V 250 2000 V/mV
V
O
= 0.5 V to 4.5 V, R
L
= 2 k, V
CM
= 0 V
150
V/mV
Offset Voltage Drift ∆V
OS
/∆T
AD8691 2 12 µV/°C
AD8692/AD8694 1.3 6 µV/°C
INPUT CAPACITANCE
Common-Mode Input Capacitance C
CM
5 pF
Differential Input Capacitance C
DM
2.5 pF
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
I
L
= 1 mA 4.96 4.98 V
I
L
= 10 mA 4.7 4.78 V
40°C to +125°C 4.6 V
V
OL
I
L
= 1 mA
20
40
mV
AD8691/AD8692 I
L
= 10 mA 165 210 mV
AD8694 I
L
= 10 mA 185 240 mV
AD8691/AD8692 40°C to +125°C 290 mV
AD8694 40°C to +125°C 370 mV
Short-Circuit Current I
SC
±80 mA
Z
OUT
f = 1 MHz, A
V
= 1
10
POWER SUPPLY
Power Supply Rejection Ratio PSRR V
S
= 2.7 V to 5.5 V 80 95 dB
40°C < T
A
< +125°C 75 95 dB
Supply Current/Amplifier I
SY
V
O
= 0 V 0.95 1.05 mA
40°C < T
A
< +125°C 1.3 mA
DYNAMIC PERFORMANCE
Slew Rate SR R
L
= 2 k 5 V/µs
Settling Time t
S
To 0.01% 1 µs
Full Power Bandwidth BW
P
<1% distortion 360 kHz
Gain Bandwidth Product GBP 10 MHz
Ø
m
65
Degrees
Total Harmonic Distortion + Noise THD + N G = 1, R
L
= 600 Ω, f = 1 kHz, V
O
= 1 V p-p 0.0006 %
NOISE PERFORMANCE
e
n p-p
f = 0.1 Hz to 10 Hz
1.6
3.0
µV p-p
Voltage Noise Density e
n
f = 1 kHz 8 12 nV/Hz
e
n
f = 10 kHz 6.5 nV/Hz
Current Noise Density i
n
f = 1 kHz 0.05 pA/Hz
Data Sheet AD8691/AD8692/AD8694
Rev. F | Page 5 of 16
ABSOLUTE MAXIMUM RATINGS
T
A
= 25°C, unless otherwise noted.
Table 3.
Parameter Rating
Supply Voltage 6 V
Input Voltage V
SS
0.3 V to V
DD
+ 0.3 V
Differential Input Voltage ±6 V
Output Short-Circuit Duration
to GND
Observe derating curves
Storage Temperature Range 65°C to +150°C
Operating Temperature Range
40°C to +125°C
Junction Temperature Range 65°C to +150°C
Lead Temperature
(Soldering, 60 sec)
300°C
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
THERMAL CHARACTERISTICS
θ
JA
is specified for the worst-case conditions, that is, the device
soldered in the circuit board for surface-mount packages.
Table 4. Thermal Resistance
Package Type θ
JA
θ
JC
Unit
8-Lead MSOP (RM-8) 210 45 °C/W
8-Lead SOIC (R-8) 158 43 °C/W
5-Lead TSOT (UJ-5)
207
61
°C/W
5-Lead SC70 (KS-5) 376 126 °C/W
14-Lead TSSOP (RU-14) 180 35 °C/W
14-Lead SOIC (R-14) 120 36 °C/W
ESD CAUTION
AD8691/AD8692/AD8694 Data Sheet
Rev. F | Page 6 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
V
S
= +5 V or ±2.5 V, unless otherwise noted.
NUMBER OF AMPLIFIERS
V
OS
(mV)
04991-003
0
500
1000
1500
2000
2500
2.0 1.5 1.0 –0.5 0 0.5 1.0 1.5 2.0
V
S
= 5V
V
CM
= –0.3V TO +3.9V
Figure 5. Input Offset Voltage Distribution
NUMBER OF AMPLIFIERS
T
C
V
OS
(µV/°C)
04991-004
0
5
10
15
20
25
30
V
S
= 5V AND 2.7V
V
CM
= 2.5V
T
A
= –40°C TO +125°C
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Figure 6. AD8692/AD8694 Input Offset Voltage Drift Distribution
–2000
–1600
–1200
–800
–400
0
400
800
1200
1600
2000
INPUT OFFSET VOLTAGE (µV)
–0.3 0 0.3 0.6 0.9 1.2 1.8 3.01.5
2.1 2.4 2.7 3.63.3 3.9
COMMON-MODE VOLTAGE (V)
04991-005
V
S
= 5V
T
A
= 25°C
Figure 7. Input Offset Voltage vs. Common-Mode Voltage
I
B
(pA)
TEMPERATURE (°C)
04991-006
–50
0
50
100
150
200
250
300
–40 –20
0
20 40
60 80 100 120
–10
10 30 50 70 90
110
–30
V
S
= 5V AND 2.7V
Figure 8. Input Bias Current vs. Temperature
0
0.2
0.4
0.6
0.8
1.0
SUPPLY CURRENT (mA)
0
1 2 3 4
5 6 7
V
S
(V)
04991-007
Figure 9. Supply Current vs. Supply Voltage
0
0.5
1.0
1.5
2.0
2.5
SUPPLY CURRENT (mA)
–40 –20
0 20 40 60 80 100 120 140
TEMPERATURE (°C)
04991-008
V
S
= ±2.5V AND ±1.35V
I
SY
@ ±2.5V
I
SY
@ ±1.35V
Figure 10. Supply Current vs. Temperature

AD8691AKSZ-REEL7

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Precision Amplifiers Low Noise SGL CMOS RRO
Lifecycle:
New from this manufacturer.
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