The OPA2662 is a versatile driver device for ultra
wide-bandwidth systems, including high-resolution
video, RF and IF circuitry, communications and test
equipment. The OPA2662 includes two power voltage-controlled current sources, or operational
transconductance amplifiers (OTAs), in a 16-pin DIP
or SOL-16 package and is specified for the extended
industrial temperature range (–40°C to +85°C). The
output current is zero-for-zero differential input voltage. The OTAs provide a 250MHz large-signal bandwidth, a 58mA/ns slew rate, and each current source
delivers up to ±75mA output current.
The transconductance of both OTAs can be adjusted
between pin 5 and –V
allowing bandwidth, quiescent current, harmonic distortion and gain trade-offs to be optimized. The output current can be set with a degeneration resistor
between the emitter and GND. The current mirror
ratio between the collector and emitter currents is
fixed to three. Switching stages compatible to logic
TTL levels make it possible to turn each OTA separately on within 30ns and off within 200ns at full
power.
by an external resistor,
CC
I (mA)
80
70
60
50
40
30
20
0.2–0.4–0.60.4 0.6 0.8 1–0.8–1
–10
–20
–30
–40
–50
–60
–70
–80
I
C
I
E
V
IN
OTA Transfer
Characteristics
(V)
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111
NOTES: (1) Characterization sample. (2) “Typical Values” are Mean values. The average of the two amplifiers is used for amplifier specific parameters. (3) “Min”
and “Max” Values are mean ±3 Standard Deviations. Worst case of the two amplifiers (Mean ±3 Standard Deviations) is used for amplifier specific parameters. (4)
–
I
typically 2mA less than I
Q
+
due to OTA C-Output Bias Current and TTL Select Circuit Current.
Q
= 50kΩ, RC = 40Ω12±30mV
E
= ±4.5V to ±5.5V, RE = 50kΩ, RC = 1kΩ27dB
= +4.5V to +5.5V, RE = 50kΩ, RC = 1kΩ15dB
= –4.5V to –5.5V, RE = 50kΩ, RC = 1kΩ40dB
= 100Ω, RC = 40Ω1–1/+5µA
E
= ±4.5V to ±5.5V, RE = 50kΩ, RC = 1kΩ60nA/V
= +4.5V to +5.5V, RE = 50kΩ, RC = 1kΩ160nA/V
= –4.5V to –5.5V, RE = 50kΩ, RC = 1kΩ40nA/V
= 100Ω, RC = 1kΩ
E
= ±4.5V to ±5.5V72µA/V
CC
= +4.5V to +5.5V236µA/V
CC
= –4.5V to –5.5V92µA/V
CC
= ±17mA4.5 || 1.5MΩ || pF
Q
• √5MHz)97dB
N
= ±5mA, RE = 100Ω, RC = 1kΩ±3.4V
C
= 40Ω, RE = 100Ω±75mA
C
V
= ±3V
IN
IQ = ±17mA4.5 || 6.5kΩ || pF
= 100Ω, RC = 40Ω±3.0V
E
= 100Ω, RC = 40Ω
E
V
= ±4V±25mA
IN
= ±2.5V
IN
R
= 100Ω0.86V/V
E
R
= 50kΩ0.98V/V
E
IQ = ±17mA16 || 2.2Ω || pF
= 50kΩ, RC = 1kΩ±4.5±5.5VDC
E
= 50kΩ, RC = 40Ω±3±6VDC
E
= 750Ω, RE = 50kΩ, RC = 1kΩ,+15+17+18mA
Q
Both Channels Enabled
= 750Ω, RE = 50kΩ, RC = 1kΩ,+4mA
Q
Both Channels Disabled
R
= 3kΩ to 30Ω±3±65mA
Q
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
OPA2662
2
SPECIFICATIONS (CONT)
ELECTRICAL
AC-SPECIFICATION
Typical at VCC = ±5VDC, RQ = 750Ω, IC = ±37.5mA (VIN = 2.5Vpp, RE = 100Ω), IC = ±75mA (VIN = 2.5Vpp, RE = 50Ω), R
otherwise noted.
GROUP DELAY TIMER
Measured Input to OutputB to E1.2ns
= 100Ω, RC = 50Ω
E
(Demo Board Used)B to C2.5ns
HARMONIC DISTORTION
Second Harmonicf = 10MHz, I
Third Harmonic–37dBc
Second Harmonicf = 10MHz, I
Third Harmonic–32dBc
Second Harmonicf = 30MHz, I
Third Harmonic–32dBc
Second Harmonicf = 30MHz, I
Third Harmonic–25dBc
Second Harmonicf = 50MHz, I
Third Harmonic–30dBc
Second Harmonicf = 50MHz, I
Third Harmonic–23dBc
SWITCHING CHARACTERISTICSI
EN to Channel ON Time90% Point of V
EN to Channel OFF Time10% Point of V
Switching Transient, Positive(Measured While Switching30mV
= 2.0V to 5V0.81.110µA
SEL
= 0V to 0.8V–10.05µA
SEL
= 150mAp-p, f = 5MHz
C
= 1Vp-p30ns
O
= 1Vp-p200ns
O
+ 0.6V
CC
Switching Transient, NegativeBetween the Grounded Channels)–80mV
3OPA2662
SPECIFICATIONS (CONT)
ELECTRICAL (Full Temperature Range –40
At VCC = ±5VDC, RQ = 750Ω, TA = T
PARAMETERCONDITIONSMINTYPMAXUNITS
OTA INPUT OFFSET VOLTAGER
Initial12±36mV
Matching2±7.2mV
OTA INPUT BIAS CURRENTR
Initial–1.915.9µA
Matching–1.20.21.2µA
OTA TRANSCONDUCTANCE
TransconductanceI
OTA C-RATED OUTPUT
Output Voltage ComplianceI
POWER SUPPLY
Positive Quiescent Current for both OTAs
MIN
to T
, unless otherwise noted, and configured as noted under “CONDITIONS”.
MAX
= ±5mA, RE = 100Ω, RC = 16Ω±3.2V
C
(4)
RQ = 750Ω, RE = 50kΩ, RC = 1kΩ,+8+17+25mA
Both Channels Selected
PIN CONFIGURATION
Top ViewSOL-16/DIP
+V
1
CC
B
2
1
OTA1
Logic
PTAT
Supply
Logic
OTA2
I
Adjust
Q
EN
GND
EN
3
1
4
5
6
2
B
7
2
°C to +85°C)
OPA2662AP, AU
= 50kΩ, RC = 40Ω
E
= 100Ω, RC = 40Ω
E
= 75mA, RE = 0580610mA/V
C
ABSOLUTE MAXIMUM RATINGS
Power Supply Voltage ........................................................................ ±6V
Input Voltage
Operating Temperature ................................................... –40°C to +85°C
16
+V
CCOUT
15
E
1
14
C
1
13
NC
12
NC
11
C
2
10
E
2
Storage Temperature ..................................................... –40°C to +125°C
Junction Temperature .................................................................... +175°C
Lead Temperature (soldering, 10s) ............................................... +300°C
Digital Input Voltages (EN
NOTE: (1) Inputs are internally diode-clamped to ±VCC.
PACKAGE/ORDERING INFORMATION
PRODUCTPACKAGENUMBER
OPA2662AP16-Pin Plastic DIP180–40°C to +85°C
OPA2662AUSOL-16 Surface Mount211–40°C to +85°C
NOTE: (1) For detailed drawing and dimension table, please see end of data
sheet, or Appendix C of Burr-Brown IC Data Book.
(1)
.................................................................. ±VCC to ±0.7V
, EN2) ............................... –0.5 to +VCC +0.7V
1
PACKAGE
DRAWING TEMPERATURE
(1)
RANGE
–V
8
CC
OPA2662
9
–V
CCOUT
ELECTROSTATIC
DISCHARGE SENSITIVITY
Any integrated circuit can be damaged by ESD. Burr-Brown
recommends that all integrated circuits be handled with appropriate precautions. ESD can cause damage ranging from
subtle performance degradation to complete device failure.
Precision integrated circuits may be more susceptible to
damage because very small parametric changes could cause
the device not to meet published specifications.
Burr-Brown’s standard ESD test method consists of five
1000V positive and negative discharges (100pF in series with
1.5kΩ) applied to each pin.
OPA2662
4
TYPICAL PERFORMANCE CURVES
At VCC = ±5V, RQ = 750Ω, and TA = +25°C, unless otherwise specified.
OTA B TO E-INPUT OFFSET VOLTAGE
15
14
13
12
11
10
Input Offset Voltage (mV)
9
8
–50–250255075100
vs TEMPERATURE
RE = 50kΩ
R
Temperature (°C)
OTA C-OUTPUT BIAS CURRENT vs TEMPERAURE
0.70
0.65
0.60
0.55
0.50
0.45
0.40
Output Bias Current (mA)
0.35
0.30
–50–250255075100
Temperature (°C)
= 40Ω
C
OTA B-INPUT RESISTANCE
18
16
14
12
10
8
6
4
OTA B-Input Resistance (MΩ)
2
0
71217222732374247
vs TOTAL QUIESCENT CURRENT
Total Quiescent Current, I
(±mA)
Q
OTA B-INPUT BIAS CURRENT vs TEMPERATURE
1.5
1.3
1.1
0.9
B-Input Bias Current (µA)
0.7
–50–250255075100
Temperature (C°)
OTA E-OUTPUT RESISTANCE
50
45
(Ω)
40
E
35
30
25
20
15
10
OTA E-Output Resistance r
5
0
747
vs TOTAL QUIESCENT CURRENT
32121722273742
Total Quiescent Current, I
Q
(±mA)
9
8
(kΩ)
C
7
6
5
4
3
2
1
OTA C-Output Resistance, r
0
71217222732374247
OTA C-OUTPUT RESISTANCE
vs TOTAL QUIESCENT CURRENT
Total Quiescent Current, I
5OPA2662
(±mA)
Q
TYPICAL PERFORMANCE CURVES (CONT)
At VCC = ±5V, RQ = 750Ω, and TA = +25°C, unless otherwise specified.
70
60
(±mA)
Q
50
40
30
20
10
Total Quiescent Current, I
0
10
120
80
40
0
–40
OTA C-Output Current (mA)
–80
–120
–0.95
TOTAL QUIESCENT CURRENT vs R
OTA TRANSFER CHARACTERISTICS vs R
Q
Typical
1001k10k
RQ - Resistor Value (Ω)
E
RE = 25Ω
RE = 33Ω
RE = 50Ω
RE = 100Ω
RC = 10Ω
= 1.9Vp-p
V
IN
00.95
Input Voltage (V)
QUIESCENT CURRENT CHANGE vs TEMPERATURE
24
22
20
18
16
14
Quiescent Current (mA)
12
10
–60–40–20020408060
Temperature (°C)
100
75
50
25
0
–25
–50
OTA C-Output Current (mA)
–75
–100
–25
–20 –15 –10 –50510 15 20 25 30
IC/IE TRANSFER CURVE
OTA E-Output Current (mA)
100
RE = 33Ω, RC = 11Ω
700
600
500
400
300
200
100
OTA Transconductance gm (mA/V)
0
–200 –150 –100 –50050100150200
TRANSCONDUCTANCE vs VIN vs I
I
= 65mA
Q
I
= 34mA
Q
IQ = 17mA
I
= 8mA
Q
Input Voltage (mV)
OPA2662
OTA TRANSFER CHARACTERISTICS
Q
100
80
60
40
20
0
–20
–40
–60
OTA C-Output Current (mA)
–80
–100
–200–1000100200
vs TOTAL QUIESCENT CURRENT
IQ = ±34mA
IQ = ±65mA
IQ = ±17mA
Input Voltage (mV)
IQ = ±8mA
RE = 0Ω
6
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