Datasheet

Data Sheet ADA4627-1/ADA4637-1
Rev. E | Page 3 of 20
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—30 V OPERATION
V
SY
= ±15 V, V
CM
= 0 V, T
A
= 25°C, unless otherwise noted.
Table 2.
B Grade A Grade
Parameter Symbol Test Conditions/Comments Min Typ Max Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage
1
V
OS
70 200 120 300 µV
−40°C ≤ T
A
≤ +85°C 350 410 µV
−40°C ≤ T
A
≤ +125°C 400 660 µV
Offset Voltage Drift,
Average
∆V
OS
/∆T −40°C ≤ T
A
≤ +125°C 1 2 1 3 µV/°C
Power Supply Rejection
Ratio
PSRR V
SY
= ±4.5 V to ±18 V 106 112 103 108 dB
−40°C ≤ T
A
≤ +125°C 101 99 dB
Input Bias Current
2
I
B
1 5 1 5 pA
−40°C ≤ T
A
≤ +85°C 0.5 0.5 nA
−40°C ≤ T
A
≤ +125°C 2 2 nA
Input Offset Current I
OS
0.5 5 0.5 5 pA
−40°C ≤ T
A
≤ +85°C 0.5 0.5 nA
−40°C ≤ T
A
≤ +125°C 2 2 nA
NOISE PERFORMANCE
Voltage Noise Density e
n
f = 10 Hz 16.5 40 16.5 40 nV/√Hz
f = 100 Hz 7.9 20 7.9 20 nV/√Hz
f = 1 kHz 6.1 8 6.1 8 nV/√Hz
f = 10 kHz 4.8 6 4.8 6 nV/√Hz
Voltage Noise e
n
p-p 0.1 Hz to 10 Hz 0.7 1.6 0.7 1.6 µV p-p
Current Noise Density i
n
f = 100 Hz 1.6 2.5 fA/√Hz
Current Noise i
n
p-p 0.1 Hz to 10 Hz 30 48 fA p-p
Input Resistance R
IN
10 10 TΩ
Input Capacitance,
Differential Mode
C
INDM
8 8 pF
Input Capacitance,
Common Mode
C
INCM
7 7 pF
Input Voltage Range
IVR
−11
+11
−11
+11
V
−40°C ≤ T
A
≤ +125°C −10.5 +10.5 −10.5 +10.5 V
Common-Mode
Rejection Ratio
CMRR T
A
= 25°C,
V
CM
= −11 V to +11 V
106 116 100 110 dB
−40°C ≤ T
A
≤ +125°C, 98 97
V
CM
= −10.5 V to +10.5 V dB
Large Signal Voltage Gain A
VO
R
L
= 1 kΩ, V
O
= −10 V to +10 V 112 120 106 120 dB
−40 ≤ T
A
≤ +85°C 110 104 dB
−40 ≤ T
A
≤ +125°C 102 100 dB
DYNAMIC PERFORMANCE
Slew Rate ADA4627-1 SR ±10 V step, R
L
= 1 kΩ,
C
L
= 100 pF, A
V
= +1
40 56/78
3
40 56/78
3
V/µs
SR ±10 V step, R
L
= 1 kΩ, C
L
= 100 pF,
R
s
= R
f
= 1 kΩ, A
V
= −1
40 82/84
3
40 82/84
3
V/µs
Slew Rate ADA4637-1 SR ±10 V out, C
f
= 4.8 pF, A
V
= −4 170 170 V/µs
SR ±10 V out, C
f
= 4.8 pF, A
V
= +5 170 170 V/µs