AD ADA4610-2ACPZ-R7

Low Noise, Precision, Rail-to-Rail Output,
JFET Dual Operational Amplifier
ADA4610-2
Data Sheet
PIN CONFIGURATIONS
OUT A 1
PIN 1
INDICATOR
8 V+
–IN A 2
ADA4610-2
7 OUT B
+IN A 3
TOP VIEW
(Not to Scale)
6 –IN B
V– 4
5 +IN B
09646-001
Low offset voltage
B grade: 0.4 mV maximum
A grade: 1 mV maximum
Low offset voltage drift
B grade: 4 µV/°C maximum
A grade: 8 µV/°C maximum
Low input bias current: 5 pA typical at VSY = ±15 V
Dual-supply operation: ±4.5 V to ±15 V
Low noise
7.3 nV/√Hz typical at f = 1 kHz
0.45 µV p-p at 0.1 Hz to 10 Hz
Low distortion: 0.00006%
No phase reversal
Rail-to-rail output
Unity gain stable
NOTES
1. THE EXPOSED PAD MUST BE
CONNECTED TO V–.
Figure 1. 8-Lead LFCSP (CP Suffix)
OUT A 1
–IN A 2
+IN A 3
V– 4
ADA4610-2
TOP VIEW
(Not to Scale)
8
V+
7
OUT B
6
–IN B
5
+IN B
09646-002
FEATURES
Figure 2. 8-Lead SOIC_N (R Suffix) and 8-Lead MSOP (RM Suffix)
APPLICATIONS
Instrumentation
Medical instruments
Multipole filters
Precision current measurement
Photodiode amplifiers
Sensors
Audio
GENERAL DESCRIPTION
The ADA4610-2 is a dual channel, precision JFET amplifier
that features low input voltage and current noise, offset voltage,
input bias current, and rail-to-rail output.
The combination of low offset, noise, and very low input
bias current makes these amplifiers especially suitable for
high impedance sensor amplification and precise current
measurements using shunts. With excellent dc precision, low
noise, and fast settling time, the ADA4610-2 provides superior
accuracy in medical instruments, electronic measurement, and
automated test equipment. Unlike many competitive amplifiers,
the ADA4610-2 maintains fast settling performance with
substantial capacitive loads. Unlike many older JFET amplifiers,
the ADA4610-2 does not suffer from output phase reversal
when input voltages exceed the maximum common-mode
voltage range.
The fast slew rate and great stability with capacitive loads make
the ADA4610-2a perfect fit for high performance filters. Low
input bias currents, low offset, and low noise result in a wide
dynamic range for photodiode amplifier circuits. Low noise
and distortion, high output current, and excellent speed make
the ADA4610-2 a great choice for audio applications.
The ADA4610-2 is specified over the −40°C to +125°C
extended industrial temperature range.
The ADA4610-2 is available in the 8-lead narrow SOIC, 8-lead
MSOP, and 8-lead LFCSP packages.
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2011–2012 Analog Devices, Inc. All rights reserved.
ADA4610-2
Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1
ESD Caution...................................................................................6
Applications ....................................................................................... 1
Typical Performance Characteristics ..............................................7
Pin Configurations ........................................................................... 1
Comparative Voltage and Variable Voltage Graphs ............... 13
General Description ......................................................................... 1
Applications Information .............................................................. 15
Revision History ............................................................................... 2
Comparator Operation .............................................................. 15
Specifications..................................................................................... 3
Outline Dimensions ....................................................................... 16
Electrical Characteristics ............................................................. 4
Ordering Guide .......................................................................... 17
Absolute Maximum Ratings ............................................................ 6
REVISION HISTORY
5/12—Rev. 0 to Rev. A
Changes to Data Sheet Title and General Description Section .. 1
Changed Input Impedance, Differential to Input Capacitance,
Differential in Table 1....................................................................... 3
Added Input Resistance in Table 1 ................................................. 3
Changed Input Impedance, Differential to Input Capacitance,
Differential in Table 2....................................................................... 4
Added Input Resistance in Table 2 ................................................. 4
Added Figure 9, Figure 10, and Figure 14 ..................................... 8
Added Figure 15................................................................................ 9
Updated Outline Dimensions ....................................................... 16
Changes to Ordering Guide .......................................................... 17
12/11—Revision 0: Initial Version
Rev. A | Page 2 of 20
Data Sheet
ADA4610-2
SPECIFICATIONS
VSY = ±5 V, VCM = 0 V, TA = 25°C, unless otherwise noted.
Table 1.
Parameter
INPUT CHARACTERISTICS
Offset Voltage (B Grade) 1
Symbol
Test Conditions/Comments
Min
VOS
Typ
Max
Unit
0.2
0.4
0.8
1
1.8
4
8
25
1.5
20
0.25
+2.5
mV
mV
mV
mV
µV/°C
µV/°C
pA
nA
pA
nA
V
dB
dB
dB
dB
pF
pF
Ω
−40°C < TA < +125°C
Offset Voltage (A Grade)1
VOS
0.4
−40°C < TA < +125°C
Offset Voltage Drift (B Grade) 2
Offset Voltage Drift (A Grade)2
Input Bias Current
ΔVOS/ΔT
ΔVOS/ΔT
IB
Input Offset Current
IOS
0.5
1
5
−40°C < TA < +125°C
2
−40°C < TA < +125°C
Input Voltage Range
Common-Mode Rejection Ratio
CMRR
Large Signal Voltage Gain
AVO
Input Capacitance, Differential
Input Capacitance, Common-Mode
Input Resistance
OUTPUT CHARACTERISTICS
Output Voltage High
Output Voltage Low
Short-Circuit Current
POWER SUPPLY
Power Supply Rejection Ratio
Supply Current/Amplifier
DYNAMIC PERFORMANCE
Gain Bandwidth Product
Unity-Gain Crossover
Phase Margin
−3 dB Closed-Loop Bandwidth
NOISE PERFORMANCE
Voltage Noise
Voltage Noise Density
1
2
VOH
VOL
VCM = −2.5 V to +2.5 V
−40°C < TA < +125°C
RL = 2 kΩ, VOUT = −3.5 V to +3.5 V
−40°C < TA < +125°C
VCM = 0 V
VCM = 0 V
VCM = 0 V
RL = 2 kΩ
−40°C < TA < +125°C
RL = 600 Ω
−40°C < TA < +125°C
RL = 2 kΩ
−40°C < TA < +125°C
RL = 600 Ω
−40°C < TA < +125°C
−2.5
94
86
98
86
IS
100
3.1
4.8
>1 × 1013
4.85
4.6
4.6
4.05
4.90
4.89
−4.95
−4.9
ISC
PSRR
110
−4.9
−4.75
−4.8
−4.4
±63
VSY = ±4.5 V to ±18 V
−40°C < TA < +125°C
IOUT = 0 mA
−40°C < TA < +125°C
GBP
UGC
φM
−3 dB
VIN = 5 mV p-p, RL = 2 kΩ, AV = 100
VIN = 5 mV p-p, RL = 2 kΩ, AV = −10
en p-p
en
106
103
125
1.5
1.7
1.85
V
V
V
V
V
V
V
V
mA
dB
dB
mA
mA
AV = 1, VIN = 5 mV p-p
15.4
9.3
61
10.6
MHz
MHz
Degrees
MHz
0.1 Hz to 10 Hz
f = 10 Hz
f = 100 Hz
f = 1 kHz
f = 10 kHz
0.45
14
8.2
7.3
7.3
μV p-p
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
Offset voltage does not include solder heat resistance.
Guaranteed by design and characterization.
Rev. A | Page 3 of 20
ADA4610-2
Data Sheet
ELECTRICAL CHARACTERISTICS
VSY = ±15 V, VCM = 0 V, TA = 25°C, unless otherwise noted.
Table 2.
Parameter
INPUT CHARACTERISTICS
Offset Voltage (B Grade) 1
Symbol
Test Conditions/Comments
Min
VOS
Typ
Max
Unit
0.2
0.4
0.8
1
1.8
4
8
25
1.5
20
0.25
+12.5
mV
mV
mV
mV
µV/°C
µV/°C
pA
nA
pA
nA
V
dB
dB
dB
dB
pF
pF
Ω
−40°C < TA < +125°C
Offset Voltage (A Grade)1
VOS
0.4
−40°C < TA < +125°C
Offset Voltage Drift (B Grade) 2
Offset Voltage Drift (A Grade)2
Input Bias Current
ΔVOS/ΔT
ΔVOS/ΔT
IB
Input Offset Current
IOS
0.5
1
5
−40°C < TA < +125°C
2
−40°C < TA < +125°C
Input Voltage Range
Common-Mode Rejection Ratio
CMRR
Large Signal Voltage Gain
AVO
Input Capacitance, Differential
Input Capacitance, Common-Mode
Input Resistance
OUTPUT CHARACTERISTICS
Output Voltage High
Output Voltage Low
Short-Circuit Current
POWER SUPPLY
Power Supply Rejection Ratio
Supply Current/Amplifier
DYNAMIC PERFORMANCE
Slew Rate
Gain Bandwidth Product
Unity-Gain Crossover
Phase Margin
−3 dB Closed-Loop Bandwidth
Total Harmonic Distortion (THD) + Noise
VOH
VOL
VCM = −12.5 V to +12.5 V
−40°C < TA < +125°C
RL = 2 kΩ, VOUT = ±13.5 V
−40°C < TA < +125°C
VCM = 0 V
VCM = 0 V
VCM = 0 V
RL = 2 kΩ
−40°C < TA < +125°C
RL = 600 Ω
−40°C < TA < +125°C
RL = 2 kΩ
−40°C < TA < +125°C
RL = 600 Ω
−40°C < TA < +125°C
−12.5
100
96
104
91
ISY
SR
GBP
UGC
φM
−3 dB
THD + N
107
3.1
4.8
>1 × 1013
14.8
14.65
14.25
13.35
14.9
14.47
−14.9
−14.68
ISC
PSRR
115
−14.85
−14.75
−14.6
−14.3
±79
VSY = ±4.5 V to ±18 V
−40°C < TA < +125°C
IOUT = 0 mA
−40°C < TA < +125°C
106
103
RL = 2 kΩ
VIN = 5 mV p-p, RL = 2 kΩ, AV = 100
VIN = 5 mV p-p, RL = 2 kΩ, AV = −10
±172
AV = 1, VIN = 5 mV p-p
1 kHz, G = +1, RL = 2 kΩ, VIN = 6 V rms
Rev. A | Page 4 of 20
125
1.6
+25/−61
16.3
9.3
66
9.50
0.00006
1.85
2.0
V
V
V
V
V
V
V
V
mA
dB
dB
mA
mA
V/µs
MHz
MHz
Degrees
MHz
%
Data Sheet
Parameter
NOISE PERFORMANCE
Peak-to-Peak Voltage Noise
Voltage Noise Density
1
2
ADA4610-2
Symbol
Test Conditions/Comments
en p-p
en
0.1 Hz to 10 Hz bandwidth
f = 10 Hz
f = 100 Hz
f = 1 kHz
f = 10 kHz
Offset voltage does not include solder heat resistance.
Guaranteed by design and characterization.
Rev. A | Page 5 of 20
Min
Typ
0.45
14
8.5
7.3
7.3
Max
Unit
µV p-p
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
ADA4610-2
Data Sheet
ABSOLUTE MAXIMUM RATINGS
Table 4. Thermal Resistance
Table 3.
Parameter
Supply Voltage
Input Voltage
Output Short-Circuit Duration to GND
Storage Temperature Range
Operating Temperature Range
Junction Temperature Range
Lead Temperature (Soldering, 10 sec)
Electrostatic Discharge
(Human Body Model)
Rating
±18 V
±VS
Observe derating curves
−65°C to +150°C
−40°C to +125°C
−65°C to +150°C
300°C
2500 V
Package Type
8-Lead MSOP (RM-8)
8-Lead SOIC_N (R-8)
8-Lead LFCSP_VD (CP-8-9)
1
θJA1
142
120
57
θJC
45
43
12
Unit
°C/W
°C/W
°C/W
θJA is specified for worst-case conditions, that is, θJA is specified for device
soldered in circuit board for surface-mount packages.
ESD CAUTION
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.
Rev. A | Page 6 of 20
Data Sheet
ADA4610-2
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, unless otherwise noted.
400
400
ADA4610-2
VSY = ±5V
TA = 25°C
SOIC
350
300
250
200
150
100
ADA4610-2
VSY = ±15V
TA = 25°C
SOIC
300
NUMBER OF CHANNELS
250
200
150
100
50
800 1000 1200
0
–1000 –800 –600 –400 –200 0
200 400 600
OFFSET VOLTAGE (µV)
09646-003
0
–1000 –800 –600 –400 –200 0
200 400 600
OFFSET VOLTAGE (µV)
Figure 3. Input Offset Voltage Distribution
Figure 6. Input Offset Voltage Distribution
350
400
150
100
300
250
200
150
100
50
0
0
09646-004
50
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
NUMBER OF CHANNELS
200
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
NUMBER OF CHANNELS
250
BIN (µV/°C)
ADA4610-2
VSY = ±15V
SOIC
350
BIN (µV/°C)
Figure 4. TCVOS Distribution
Figure 7. TCVOS Distribution
500
400
400
300
300
INPUT OFFSET VOLTAGE (µV)
500
200
100
0
–100
–200
ADA4610-2
VSY = ±5V
TA = 25°C
RL = ∞
–400
–500
–5
–4
–3
–2
–1
0
1
2
COMMON-MODE INPUT (V)
3
200
100
0
–100
–200
ADA4610-2
VSY = ±15V
TA = 25°C
RL = ∞
–300
–400
4
5
–500
–15
09646-005
–300
09646-007
ADA4610-2
VSY = ±5V
SOIC
300
INPUT OFFSET VOLTAGE (µV)
800 1000 1200
09646-006
50
Figure 5. Input Offset Voltage vs. Common-Mode Input Voltage
–10
–5
0
5
COMMON-MODE INPUT (V)
10
15
Figure 8. Input Offset Voltage vs. Common-Mode Input Voltage
Rev. A | Page 7 of 20
09646-008
NUMBER OF CHANNELS
350
ADA4610-2
Data Sheet
1M
INPUT BIAS A, INPUT BIAS B (pA)
ADA4610-2
SOIC
VSY = ±15V
100k
RL = ∞
TA = +25°C
ADA4610-2
VSY = ±5V
TA = 25°C
1
VDD – VOUT (V)
10k
1k
100
0.1
–4
–3
–2
–1
0
1
2
3
4
0.01
0.1
09646-055
1
–5
5
VCMI (V)
Figure 9. Input Bias Current vs. Common Mode Voltage
1
10
IOUT SOURCE (mA)
100
09646-011
10
Figure 12. Dropout Voltage vs. Source Current
ADA4610-2
10M SOIC
VSY = ±5V
RL = ∞
1M
ADA4610-2
10 VSY = ±5V
TA = 25°C
100k
VOUT – VSS (V)
INPUT BIAS A, INPUT BIAS B (pA)
100M
10k
+125°C
1k
100
+85°C
1
0.1
10
+25°C
1
–3
–2
–1
0
1
2
3
4
5
6
VCMI (V)
0.01
0.1
1
10
100
IOUT SINK (mA)
Figure 10. Input Bias Current vs. Common Mode Voltage and Temperature
Figure 13. Dropout Voltage vs. Sink Current
100
100
INPUT BIAS CURRENT (pA)
ADA4610-2
VSY = ±5V
10
1
ADA4610-2
90 SOIC
VSY = ±15V
80 RL = ∞
TA = +25°C
70
60
50
40
30
20
0.1
–50
–25
0
25
50
TEMPERATURE (°C)
75
100
125
0
–15
–10
–5
0
5
10
COMMON-MODE VOLTAGE (V)
Figure 11. Input Bias Current vs. Temperature
Figure 14. Input Bias Current vs. Common-Mode Voltage
Rev. A | Page 8 of 20
15
09646-057
10
09646-009
INPUT BIAS CURRENT (pA)
09646-015
–4
09646-056
–40°C
0.1
–5
Data Sheet
ADA4610-2
ADA4610-2
100M SOIC
VSY = ±15V
RL = ∞
10M
ADA4610-2
10 VSY = ±15V
TA = 25°C
VOUT – VSS (V)
1M
100k
10k
+85°C
0.1
100
+25°C
1
–15
–10
–5
0
5
10
15
COMMON-MODE VOLTAGE (V)
0.01
0.01
Figure 15. Input Bias Current vs. Common-Mode Voltage and Temperature
1
IOUT SINK (mA)
10
100
Figure 18. Dropout Voltage vs. Sink Current
120
100
ADA4610-2
VSY = ±15V
INPUT BIAS CURRENT (pA)
0.1
270
ADA4610-2
VSY = ±5V
TA = 25°C 225
RL = 2kΩ
100
80
180
60
135
40
90
20
45
0
0
GAIN (dB)
10
1
–20
–25
0
25
50
TEMPERATURE (°C)
75
100
125
–45
–40
0.01
09646-012
0.1
–50
09646-018
–40°C
10
PHASE (Degrees)
+125°C
1
Figure 16. Input Bias Current vs. Temperature
0.1
1
10
100
FREQUENCY (kHz)
1k
10k
–90
100k
09646-016
1k
09646-058
INPUT BIAS CURRENT (pA)
1G
Figure 19. Open-Loop Gain and Phase vs. Frequency
60
ADA4610-2
VSY = ±15V
TA = 25°C
ADA4610-2
VSY = ±5V
TA = 25°C
AV = +100
40
AV = +10
GAIN (dB)
VDD – VOUT (V)
1
0.1
20
AV = +1
0
1
10
IOUT SOURCE (mA)
100
–40
1
Figure 17. Dropout Voltage vs. Source Current
10
100
1k
FREQUENCY (kHz)
10k
Figure 20. Closed-Loop Gain vs. Frequency
Rev. A | Page 9 of 20
100k
09646-017
0.01
0.1
09646-014
–20
ADA4610-2
1k
Data Sheet
1k
ADA4610-2
VSY = ±5V
TA = 25°C
100
10
ZOUT (Ω)
AV = +100
1
10
AV = +100
1
AV = +10
0.1
AV = +1
1
10
100
1k
FREQUENCY (kHz)
10k
100k
0.01
0.1
09646-021
0.01
0.1
Figure 21. Closed-Loop Output Impedance vs. Frequency
270
ADA4610-2
VSY = ±15V
TA = 25°C 225
RL = 2kΩ
180
60
135
40
90
20
45
0.1
1
10
100
FREQUENCY (kHz)
1k
10k
PSRR–
60
40
PSRR+
20
0
–45
–40
0.01
–90
100k
–20
0.1
1
Figure 22. Open-Loop Gain and Phase vs. Frequency
60
10
100
FREQUENCY (kHz)
1k
10k
Figure 25. PSRR vs. Frequency
140
ADA4610-2
VSY = ±15V
TA = 25°C
AV = +100
100k
80
0
–20
10k
ADA4610-2
VSY = ±5V
TA = 25°C
100
PSRR (dB)
80
0
10
100
1k
FREQUENCY (kHz)
120
09646-019
GAIN (dB)
100
1
Figure 24. Closed-Loop Output Impedance vs. Frequency
PHASE (Degrees)
120
AV = +1
09646-024
0.1
AV = +10
09646-022
ZOUT (Ω)
100
ADA4610-2
VSY = ±15V
TA = 25°C
ADA4610-2
VSY = ±5V
TA = 25°C
120
40
100
CMRR (dB)
20
AV = +1
0
80
60
40
–20
–40
1
10
100
1k
FREQUENCY (kHz)
10k
100k
0
0.1
Figure 23. Closed-Loop Gain vs. Frequency
1
10
100
FREQUENCY (kHz)
Figure 26. CMRR vs. Frequency
Rev. A | Page 10 of 20
1k
10k
09646-023
20
09646-020
GAIN (dB)
AV = +10
ADA4610-2
12
2
8
1
0
ADA4610-2
VSY = ±5V
TA = 25°C
AV = +1
RL = 2kΩ
CL = 100pF
–1
–2
2
3
4
ADA4610-2
VSY = ±15V
TA = 25°C
AV = +1
RL = 2kΩ
CL = 100pF
–4
5
6
TIME (µs)
7
8
9
10
–12
0
Figure 27. Large Signal Transient Response
OUTPUT VOLTAGE (mV)
5
6
TIME (µs)
7
8
9
10
40
PSRR+
9
10
25
ADA4610-2
VSY = ±5V
TA = 25°C
AV = +1
RL = 2kΩ
CL = 100pF
0
–25
–50
0
10
100
FREQUENCY (kHz)
1k
10k
–75
09646-025
1
0
Figure 28. PSRR vs. Frequency
1
2
3
4
5
6
TIME (µs)
7
Figure 31. Small Signal Transient Response
100
140
VOLTAGE NOISE DENSITY (nV/ Hz)
ADA4610-2
VSY = ±15V
TA = 25°C
120
100
80
60
40
10
100
FREQUENCY (kHz)
1k
10k
ADA4610-2
VSY = ±5V
TA = 25°C
10
1
0.001
09646-026
20
1
8
09646-028
PSRR (dB)
PSRR–
20
CMRR (dB)
4
50
60
0
0.1
3
75
ADA4610-2
VSY = ±15V
TA = 25°C
80
–20
0.1
2
Figure 30. Large Signal Transient Response
120
100
1
0.01
0.1
1
FREQUENCY (kHz)
Figure 32. Voltage Noise Density
Figure 29. CMRR vs. Frequency
Rev. A | Page 11 of 20
10
100
09646-033
1
0
–8
–3
0
4
09646-030
OUTPUT VOLTAGE (V)
3
09646-027
OUTPUT VOLTAGE (V)
Data Sheet
ADA4610-2
Data Sheet
100
OS+
30
OS–
20
10
0.1
CAPACITANCE (nF)
1
10
1
0.001
09646-034
0
0.01
Figure 33. Overshoot vs. Load Capacitance
0.01
0.1
1
FREQUENCY (kHz)
10
Figure 35. Voltage Noise Density
75
50
ADA4610-2
45 VSY = ±15V
TA = 25°C
A = +1
40 V
RL = 2kΩ
V = 100mV p-p
35 IN
50
OVERSHOOT (%)
25
ADA4610-2
VSY = ±15V
TA = 25°C
AV = +1
RL = 2kΩ
CL = 100pF
0
–25
OS+
30
25
20
OS–
15
10
–50
0
1
2
3
4
5
6
TIME (µs)
7
8
9
10
0
0.01
Figure 34. Small Signal Transient Response
0.1
CAPACITANCE (nF)
1
Figure 36. Overshoot vs. Load Capacitance
Rev. A | Page 12 of 20
09646-037
5
–75
09646-031
OUTPUT VOLTAGE (mV)
ADA4610-2
VSY = ±15V
TA = 25°C
09646-036
ADA4610-2
VSY = ±5V
TA = 25°C
50 A = +1
V
RL = 2kΩ
VIN = 100mV p-p
40
VOLTAGE NOISE DENSITY (nV/ Hz)
OVERSHOOT (%)
60
Data Sheet
ADA4610-2
COMPARATIVE VOLTAGE AND VARIABLE VOLTAGE GRAPHS
16
–40
ADA4610-2
VSY = ±15V
TA = 25°C
AV = +1
RL = 2kΩ
CL = 100pF
12
8
–80
4
VOLTAGE (V)
–100
0
–4
–120
–8
–140
OUTPUT
INPUT
–12
1
10
100
FREQUENCY (kHz)
–16
09646-039
–160
0.1
0
0.1
0.2
1
0.7
0.8
0.9
1.0
8
9
10
300
ADA4610-2
VSY = ±15V
TA = 25°C
RL = 2kΩ
FIN = 1kHz
0.1
ADA4610-2
VSY = ±15V
TA = 25°C
RL = 2kΩ
200
100
THD + N %
VOLTAGE (nV)
THD + N (%)
0.4
0.5
0.6
TIME (ms)
Figure 40. No Phase Reversal
Figure 37. Channel Separation
0.01
0.3
09646-042
CHANNEL SEPARATION (dB)
ADA4610-2
VSY = ±15V
TA = 25°C
–60 R = 2kΩ
L
0.001
0
–100
0.0001
0.01
1
0.1
AMPLITUDE (V rms)
10
–300
0
Figure 38. THD + N vs. Amplitude
0.01
3
4
5
6
TIME (sec)
7
12
ADA4610-2
VSY = ±15V
TA = 25°C
10 A = +1
V
RL = 2kΩ
CL = 20pF
8 POSITIVE STEP
STEP SIZE (V)
0.001
THD + N (%)
2
Figure 41. Voltage Noise, 0.1 Hz to 10 Hz
ADA4610-2
VSY = ±15V
TA = 25°C
RL = 2kΩ
VIN = 5V rms
500kHz BAND-PASS FILTER
0.0001
1
09646-043
0.00001
0.001
09646-040
–200
80kHz BAND-PASS FILTER
0.1%
6
0.01%
4
0.1
1
FREQUENCY (kHz)
10
100
Figure 39. THD + N vs. Frequency
0
0
0.2
0.4
0.6
0.8
1.0
SETTLING TIME (µs)
Figure 42. Positive Step Settling Time
Rev. A | Page 13 of 20
1.2
1.4
09646-044
0.00001
0.01
09646-041
2
ADA4610-2
Data Sheet
4.0
12
ISY FOR BOTH AMPLIFIERS (mA)
0.01%
0.1%
6
4
2
+125°C
ADA4610-2
RL = ∞
3.5
3.0
+25°C
2.5
+85°C
–40°C
2.0
1.5
1.0
0
0
0.2
0.4
0.6
0.8
1.0
SETTLING TIME (µs)
1.2
1.4
0
0
Figure 43 Negative Step Settling Time
5
10
15
VSY (V)
20
25
30
Figure 44. Supply Current vs. Supply Voltage and Temperature
Rev. A | Page 14 of 20
09646-047
0.5
09646-045
STEP SIZE (V)
ADA4610-2
VSY = ±15V
TA = 25°C
10 A = +1
V
RL = 2kΩ
CL = 20pF
8 NEGATIVE STEP
Data Sheet
ADA4610-2
APPLICATIONS INFORMATION
COMPARATOR OPERATION
8
Although op amps are quite different from comparators,
occasionally an unused section of a dual or a quad op amp may
be used as a comparator; however, this is not recommended for
any rail-to-rail output op amp. For rail-to-rail output op amps,
the output stage is generally a ratioed current mirror with bipolar
or MOSFET transistors. With the part operating open loop, the
second stage increases the current drive to the ratioed mirror to
close the loop. However, the second stage cannot close the loop,
which results in an increase in supply current. With the op amp
configured as a comparator, the supply current can be significantly higher (see Figure 45). Configuring an unused section as
a voltage follower with the noninverting input connected to a
voltage within the input voltage range is recommended. The
ADA4610-2 has a unique output stage design that reduces the
excess supply current, but does not entirely eliminate this effect
when the op amp is operating open loop.
7
ISY FOR BOTH AMPLIFIERS (mA)
COMPARATOR, VOUT = LOW
6
COMPARATOR, VOUT = HIGH
5
4
3
FOLLOWER
2
1
0
4
8
12
16
20
24
SUPPLY VOLTAGE (V)
28
09646-053
0
32
Figure 45. Supply Current vs. Supply Voltage
VCC
R6
D31
R7
C3
Q30
Q8
R16
Q29
Q9
Q28
+ –
1+
Q12
Q14
A1
Q15
Q18
C2
RC4
DE5
C4
A2
DE1
R10
DE3
Q4
R2
VIN+
R11
Q5
Q1
J1
Q23
Q13
Q16
Q17
VOUT
R3
J2
R5
DE6
VIN–
C1
Q7
Q6
Q27
DE2
I2
I3
Q24
Q25
I4
R16
D26
VEE
Figure 46. Simplified Schematic
Rev. A | Page 15 of 20
09646-054
DE4
ADA4610-2
Data Sheet
OUTLINE DIMENSIONS
5.00 (0.1968)
4.80 (0.1890)
8
4.00 (0.1574)
3.80 (0.1497)
5
1
4
1.27 (0.0500)
BSC
0.25 (0.0098)
0.10 (0.0040)
6.20 (0.2441)
5.80 (0.2284)
1.75 (0.0688)
1.35 (0.0532)
0.51 (0.0201)
0.31 (0.0122)
COPLANARITY
0.10
SEATING
PLANE
0.50 (0.0196)
0.25 (0.0099)
45°
8°
0°
0.25 (0.0098)
0.17 (0.0067)
1.27 (0.0500)
0.40 (0.0157)
012407-A
COMPLIANT TO JEDEC STANDARDS MS-012-AA
CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS
(IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR
REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN.
Figure 47. 8-Lead Standard Small Outline Package [SOIC_N]
Narrow Body (R-8)
Dimensions shown in millimeters and (inches)
3.20
3.00
2.80
8
3.20
3.00
2.80
1
5.15
4.90
4.65
5
4
PIN 1
IDENTIFIER
0.65 BSC
0.95
0.85
0.75
15° MAX
1.10 MAX
0.40
0.25
6°
0°
0.23
0.09
COMPLIANT TO JEDEC STANDARDS MO-187-AA
Figure 48. 8-Lead Mini Small Outline Package [MSOP]
(RM-8)
Dimensions shown in millimeters
Rev. A | Page 16 of 20
0.80
0.55
0.40
10-07-2009-B
0.15
0.05
COPLANARITY
0.10
Data Sheet
ADA4610-2
0.60 MAX
5
2.95
2.75 SQ
2.55
PIN 1
INDICATOR
8
EXPOSED
PAD
4
0.50
0.40
0.30
TOP VIEW
12° MAX
0.90 MAX
0.85 NOM
SEATING
PLANE
0.70 MAX
0.65 TYP
0.05 MAX
0.01 NOM
0.30
0.23
0.18
0.50
BSC
0.60 MAX
1.60
1.50
1.40
1
BOTTOM VIEW
2.23
2.13
2.03
PIN 1
INDICATOR
FOR PROPER CONNECTION OF
THE EXPOSED PAD, REFER TO
THE PIN CONFIGURATION
SECTION OF THIS DATA SHEET.
0.20 REF
04-06-2012-A
3.25
3.00 SQ
2.75
Figure 49. 8-Lead Lead Frame Chip Scale Package [LFCSP_VD]
3 mm × 3 mm Body, Very Thin, Dual Lead
(CP-8-9)
Dimensions shown in millimeters
ORDERING GUIDE
Model 1
ADA4610-2ACPZ-R7
ADA4610-2ACPZ-RL
ADA4610-2ARMZ
ADA4610-2ARMZ-R7
ADA4610-2ARMZ-RL
ADA4610-2ARZ
ADA4610-2ARZ-R7
ADA4610-2ARZ-RL
ADA4610-2BRZ
ADA4610-2BRZ-R7
ADA4610-2BRZ-RL
1
Temperature Range
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
Package Description
8-Lead LFCSP_VD
8-Lead LFCSP_VD
8-Lead MSOP
8-Lead MSOP
8-Lead MSOP
8-Lead SOIC_N
8-Lead SOIC_N
8-Lead SOIC_N
8-Lead SOIC_N
8-Lead SOIC_N
8-Lead SOIC_N
Z = RoHS Compliant Part.
Rev. A | Page 17 of 20
Package Option
CP-8-9
CP-8-9
RM-8
RM-8
RM-8
R-8
R-8
R-8
R-8
R-8
R-8
Branding
A2U
A2U
A2U
A2U
A2U
ADA4610-2
Data Sheet
NOTES
Rev. A | Page 18 of 20
Data Sheet
ADA4610-2
NOTES
Rev. A | Page 19 of 20
ADA4610-2
Data Sheet
NOTES
©2011–2012 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D09646-0-5/12(A)
Rev. A | Page 20 of 20