bh7272kv ROHM Co. Ltd., bh7272kv Datasheet - Page 3

• Manufacturer Part Number: bh7272kv
• Description: Two-channel Amplifier Digital Vcrs
• Manufacturer: ROHM Co. Ltd.

•
Sleep-mode circuit current
Circuit current
Voltage gain ch-1
Voltage gain ch-2
Voltage gain differential
Frequency characteristics
Crosstalk
PB mute attenuation
AGC output level
AGC control sensitivity
AGC frequency
characteristics
Circuit current
Recording current level 1
Recording current level 2
REC frequency
characteristics
REC mute attenuation
PB holding voltage
PB holding voltage
REC holding voltage
REC holding voltage
HSW holding voltage
HSW holding voltage
RECGATE holding voltage
RECGATE holding voltage
Video ICs
Electrical characteristics (unless otherwise noted, Ta = 25°C, V
Note: dBc: dB below carrier (used to express relative level from carrier reference for convenience sake)
Playback system
Recording system
Logic system
Parameter
Symbol
V
V
V
V
V
V
V
V
G
G
MU
V
Iq
Iq
Iq
MU
CT
I
I
V
G
TH46H
TH17H
TH45H
TH18H
TH46L
TH17L
TH45L
TH18L
G
OR1
OR2
G
AGC
I
VP1
VP2
AGC
VAF
OF
(S)
(P)
(R)
VP
Vf
P
P
R
– 3.0
– 1.5
– 3.0
– 3.0
Min.
230
2.0
0.0
2.0
0.0
2.0
0.0
2.0
0.0
50
50
—
—
—
—
—
14
14
—
—
– 46
– 57
– 60
Typ.
280
0.2
0.0
0.0
0.0
14
34
54
54
—
54
20
20
—
—
—
—
—
—
—
—
+ 1.5
– 35
– 35
– 35
Max.
330
2.0
3.0
1.0
3.0
1.0
3.0
1.0
3.0
1.0
30
56
58
58
—
—
80
26
26
—
CC
mV
mA
mA
= 4.9V, 3.0V and f = 4.0MHz)
Unit
dBc
dBc
dBc
mA
mA
mA
dB
dB
dB
dB
dB
dB
dB
V
V
V
V
V
V
V
V
P-P
P-P
P-P
No signal
No signal
Pin 35 output measurement when pin 11
input is 0.3mV
Pin 35 output measurement when pin 2
input is 0.3mV
Pin 35 output level differential
when f = 8.0 / 1.0MHz and V
Pin 35 output level differential
when for pin 45: H / L
Pin 35 output level differential when pin 33
goes from L to H and pin 2 input is 0.3mV
Pin 27 output measurement when pin 31
input is V
Pin 27 output level differential when pin 31
input V
Pin 27 output level differential when f = 8.0 /
1.0MHz and pin 31 input is V
No signal
Pin 11 output measurement when pin 25
input is 0.3V
Pin 2 output measurement when pin 25
input is 0.3V
f = 8.0 / 1.0MHz, pin 25 input = 0.3V
Pins 2, 11 output level differential
Pins 46 voltage to hold PB
Pin 46 voltage to hold PB
Pin 17 voltage to hold REC
Pin 17 voltage to hold REC
Pin 45 voltage to hold HSW
Pin 45 voltage to hold HSW
Pin 18 voltage to hold RECGATE
Pin 18 voltage to hold RECGATE
G
VP
= G
IN
= 150 to 600mV
IN
VP1
= 300mV
P-P
P-P
– G
P-P
P-P
Conditions
VP2
P-P
P-P
BH7272KV
IN
IN
= 0.3mV
= 300mV
P-P
P-P
P-P
P-P
3