参数资料
型号: AD723ARUZ
厂商: Analog Devices Inc
文件页数: 12/20页
文件大小: 0K
描述: IC ENCODER RGB-NTSC/PAL 28-TSSOP
标准包装: 50
类型: 视频编码器
应用: 照相机,互联网设备,机顶盒
电压 - 电源,数字: 2.7 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 28-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 28-TSSOP
包装: 管件
产品目录页面: 788 (CN2011-ZH PDF)
REV. 0
–2–
AD723–SPECIFICATIONS (V
S = 3, TA = 25 C, using 4FSC synchronous clock unless otherwise noted. Signal
inputs terminated with 75
. Outputs configured in active termination mode, 75
external load.)
Parameter
Conditions
Min
Typ
Max
Unit
SIGNAL INPUTS (RIN, GIN, BIN)
Input Amplitude
Full-Scale
714
mV p-p
Clamp Level
400
mV
Input Resistance
RIN, GIN, BIN
1
M
Input Capacitance
5pF
TERMINATION SWITCH CHARACTERISTICS
(RT, GT, BT)
Input Capacitance
VIN = 0 V
6
pF
Switch On Resistance
VIN = 0 V
5.2
LOGIC INPUTS
(STND, SA, CE, TERM, SYNC, 4FSC)
Logic LO Input Voltage
1V
Logic HI Input Voltage
2
V
Logic LO Input Current (DC)
0.015
0.70
A
Logic HI Input Current (DC)
0.020
0.70
A
VIDEO OUTPUTS
Luminance (Y)
–3 dB Bandwidth, NTSC Mode
NTSC
4.7
MHz
PAL
6.1
MHz
Gain Error
Direct Input Termination
–6.25
–2.5
+1.5
%
Switch Input Termination
–0.7
%
Gain Nonlinearity
0.3
%
Sync Amplitude
NTSC
218
262
362
mV
PAL
230
277
385
mV
DC Black Level
NTSC
450
mV
PAL
450
mV
Chrominance (C)
Burst Amplitude
NTSC
185
250
315
mV p-p
PAL
190
251
320
mV p-p
Chroma Level Error
1
Switch Input Termination
4
%
Chroma Phase Error
2
±3
Degree
Color Burst Width
NTSC
2.51
s
PAL
2.26
s
Chroma/Luma Time Alignment
19
ns
Chroma Feedthrough
RGB = 0
10.5
40
mV p-p
DC Black Level
NTSC
661
mV
PAL
608
mV
Composite (CV)
Gain Error
Direct Input Termination
–6.8
–2.4
+2.5
%
Switch Input Termination
–0.75
%
Gain Error wrt LUMA
Direct Input Termination
0.14
%
Differential Gain Error wrt CRMA
0.9
%
Differential Phase Error wrt CRMA
0.95
Degree
DC Black Level
NTSC
456
mV
PAL
440
mV
Luminance Trap (YTRAP) Output Resistance
1.4
k
LOGIC OUTPUT (TVDET)
LO Output Voltage
0.02
V
HI Output Voltage
2.98
V
POWER SUPPLIES
Operating Voltage Range
Single Supply
2.7
5.5
V
Current Consumption
Quiescent
No External Loads Present
16
19
mA
Composite Output Connected3
75
Load, Active Termination,
30
39
mA
S-Video Inactive
S-Video Output Connected
3
75
Load, Active Termination,
41
49
mA
Composite Output Inactive
Power-Down Current
0.09
0.7
A
NOTES
1Difference between ideal and actual color-bar subcarrier amplitudes.
2Difference between ideal and actual color-bar subcarrier phase.
3Current consumption is larger in standard termination mode. Current values shown for 50% average picture level. Larger current consumption possible for other levels.
Specifications subject to change without notice.
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