VCA810
SBOS275F –JUNE 2003–REVISED DECEMBER 2010
www.ti.com
ELECTRICAL CHARACTERISTICS: V
S
= ±5V (continued)
Boldface limits are tested at +25°C.
At R
L
= 500Ω, and V
IN
= single-ended input on V+ with V− at ground,, unless otherwise noted.
VCA810
MIN/MAX OVER
TYP TEMPERATURE
0°C to –40°C to MIN/ TEST
PARAMETER CONDITIONS +25°C +25°C
(2)
+70°C
(3)
+85°C
(3)
UNITS MAX LEVEL
(1)
GAIN CONTROL (V
C
, Pin 3) Single-ended or differential input
Specified gain range ΔV
C
/ΔdB = 25mV/dB ±40 dB typ C
Maximum control voltage G = −40dB 0 V typ C
Minimum control voltage G = +40dB –2 V typ C
Gain accuracy −1.8V ≤ V
C
≤ −0.2V ±0.4 ±1.5 ±2.5 ±3.5 dB max A
V
C
< −1.8V, V
C
> −0.2V ±0.5 ±2.2 ±3.7 ±4.7 dB max A
Gain drift −1.8V ≤ V
C
≤ −0.2V ±0.02 ±0.03 dB/°C max B
V
C
< −1.8V, V
C
> −0.2V ±0.03 ±0.04 dB/°C max B
Gain control slope –40 db/V typ C
Gain control linearity
(6)
−1.8V ≤ V
C
≤ 0V ±0.3 ±1 ±1.1 ±1.2 dB max A
V
C
< −1.8V ±0.7 ±1.6 ±2.5 ±3.2 dB max A
Gain control bandwidth 25 20 19 19 MHz min B
Gain control slew rate 80dB Gain Step 900 dB/ns typ C
Gain settling time 1%, 80dB Step 0.8 ms typ C
Input bias current V
C
= −1V –1.5 –3.5 –4.5 –8 mA max A
Gain + Power-supply rejection ratio V
C
= −2V, G = +40dB, +V
S
= 5V ±0.5V 0.5 1.5 1.8 2 dB/V max A
Gain – Power-supply rejection ratio V
C
= −2V, G = +40dB, –V
S
= –5V ±0.5V 0.7 1.5 1.8 2 dB/V max A
POWER SUPPLY
Specified operating voltage ±5 V typ C
Minimum operating voltage ±4 ±4 ±4 V min A
Maximum operating voltage ±6 ±6 ±6 V max A
Positive supply quiescent current
Maximum quiescent current +V
S
= +5V, G = −40dB 10 12.5 12.6 12.7 mA min A
Minimum quiescent current +V
S
= +5V, G = −40dB 10 7.5 7.2 7.1 mA max A
Maximum quiescent current +V
S
= +5V, G = +40dB 18 20.5 22 22.3 mA min A
Minimum quiescent current +V
S
= +5V, G = +40dB 18 15.5 14.5 13.5 mA max A
Negative supply quiescent current
(7)
Maximum quiescent current −V
S
= −5V, G = −40dB 12 14.5 14.6 14.7 mA max A
Minimum quiescent current −V
S
= −5V, G = −40dB 12 9.5 9.4 9.3 mA min A
Maximum quiescent current −V
S
= −5V, G = +40dB 20 22.5 24.5 24.8 mA max A
Minimum quiescent current −V
S
= −5V, G = +40dB 20 17.5 16.5 16 mA min A
Positive power-supply rejection ratio (+PSRR) Input-referred, V
C
= −2V 90 75 75 73 dB min A
Negative power-supply rejection ratio
Input-referred, V
C
= −2V 85 70 70 68 dB min A
(–PSRR)
THERMAL CHARACTERISTICS
Specified operating range, ID package –40 to +85 °C typ C
Thermal resistance, q
JA
Junction-to-ambient
D SO-8 80 °C/W typ C
(6) Maximum deviation from best line fit.
(7) Magnitude.
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