Datasheet

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SLOS214C − OCTOBER 1998 − REVISED MARCH 2007
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PGA electrical characteristics, T
A
= 25°C, Gain = 2 dB, R
L
= 1 kΩ, (unless otherwise noted)
(continued)
digital gain characteristics
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IH
High-level input voltage
Relative to GND
2 V
V
IL
Low-level input voltage
Relative to GND
0.8 V
I
IH
High-level input current V
IH
= 5 V 20 100 nA
I
IL
Low-level input current (sink current) V
IL
= 0.5 V 0.9 2 µA
t
d
Gain-change delay time
†
V
CC
= ±5 V or ±15 V 2 µs
†
Gain-change delay time is the time needed to reach 90% of its final gain value.
PGA operating characteristics, T
A
= 25°C, Gain = 2 dB, R
L
= 1 kΩ, (unless otherwise noted)
PARAMETER TEST CONDITIONS
†
MIN TYP MAX UNIT
SR
Slew rate (see Note 4)
V
CC
= ±5 V, V
O
= ±2.5 V 160
V/ s
SR Slew rate (see Note 4)
V
CC
= ±15 V,
V
O
= ±10 V 175
V/µs
t
s
Settling time to 0.1%
5 V Step
V
CC
= ±15 V 125
ns
t
s
Settling time to 0.1% 5 V Step
V
CC
= ±5 V 120
ns
THD Total harmonic distortion
V
CC
= ±15 V,
f
c
= 1 MHz,
V
O(PP)
= 2 V,
Gain = 8 dB
−69 dBc
Gain = 20 dB,
V
CC
= ±15 V 65
Gain = 20 dB,
V
O(PP)
= 0.4 V
V
CC
= ±5 V 60
BW
Small-signal bandwidth (−3 dB)
Gain = 2 dB,
V
CC
= ±15 V 75
MHz
BW Small-signal bandwidth (−3 dB)
Gain = 2 dB,
V
O(PP)
= 0.4 V
V
CC
= ±5 V 70
MHz
Gain = −22 dB,
V
CC
= ±15 V 80
Gain = −22 dB,
V
O(PP)
= 0.4 V
V
CC
= ±5 V 70
Bandwidth for 0.1 dB flatness
Gain = 2 dB,
V
CC
= ±15 V 20
MHz
Bandwidth for 0.1 dB flatness
Gain = 2 dB,
V
O(PP)
= 0.4 V
V
CC
= ±5 V 18
MHz
Full power bandwidth (see Note 5)
V
O(PP)
= 5 V, V
CC
= ±5 V 10
MHz
Full power bandwidth (see Note 5)
V
O(PP)
= 20 V,
V
CC
= ±15 V 2.8
MHz
A
D
Differential gain error
G = 8 dB, 100 IRE,
V
CC
= ±5 V 0.04%
A
D
Differential gain error
G = 8 dB, 100 IRE,
NTSC, R
L
= 150 Ω
V
CC
= ±15 V 0.04%
φ
D
Differential phase error
G = 8 dB,
±
100 IRE,
V
CC
= ±15 V 0.07
°
φ
D
Differential phase error
G = 8 dB, ±100 IRE,
NTSC, R
L
= 150 Ω
V
CC
= ±5 V 0.09
°
Gain accuracy (see Note 6)
Gain = −22 dB to 20 dB,
All 8 steps,
T
A
= 25°C −7.5% 0% 7.5%
Gain accuracy (see Note 6)
All 8 steps,
V
CC
= ±5 V or ±15 V
T
A
= full range −8.5% 8.5%
Channel-to-channel gain accuracy
Gain = −22 dB to 20 dB,
All 8 steps,
T
A
= 25°C −5.5% 0% 5.5%
Channel-to-channel gain accuracy
(THS7002 only) (see Note 7)
All 8 steps,
V
CC
= ±5 V or ±15 V
T
A
= full range −6.5% 6.5%
V
n
Input referred noise voltage
V
CC
=
±
5 V or
±
15 V,
Gain = 20 dB 10
nV/√Hz
V
n
Input referred noise voltage
V
CC
= ±5 V or ±15 V,
f = 10 kHz
Gain = −22 dB 500
nV/√Hz
PGA channel-to-channel crosstalk
(THS7002 only)
V
CC
= ±5 V or ±15 V, f = 1 MHz −77 dB
†
Full range for the THS7001/02C is 0°C to 70°C. Full range for the THS7001/02I is −40°C to 85°C.
NOTES: 4. Slew rate is measured from an output level range of 25% to 75%.
5. Full power bandwidth = slew rate/2π V
PEAK
6. Specified as −100 × (output voltage − (input voltage × gain))/(input voltage × gain)
7. Specified as 100 × (output voltage B− output voltage A)/output voltage A