参数资料
型号: PGA112AIDGSRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO10
封装: GREEN, PLASTIC, MSOP-10
文件页数: 43/47页
文件大小: 1545K
代理商: PGA112AIDGSRG4
R
SW
R
AMP
R
F
R
I
Mux
Switch
C
CH
C
AMP
V
OUT
CHx
(Input)
V
REF
Break-Before-Make
www.ti.com ............................................................................................................................................ SBOS424B – MARCH 2008 – REVISED SEPTEMBER 2008
ELECTRICAL CHARACTERISTICS: VS = AVDD = DVDD = +5V (continued)
Boldface limits apply over the specified temperature range, TA = –40°C to +125°C.
At TA = +25°C, RL = 10k//CL = 100pF connected to DVDD/2, and VREF = GND, unless otherwise noted.
PGA112, PGA113, PGA116, PGA117
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
TEMPERATURE RANGE
Specified Range
–40
+125
°C
Operating Range
–40
+125
°C
Thermal Resistance
θ
JA
MSOP-10
164
°C/W
DIGITAL INPUTS (SCLK, CS, DIO, DIN)
Logic Low
0
0.3DVDD
V
Input Leakage Current (SCLK and CS only)
–1
+1
A
Weak Pull-Down Current (DIO, DIN only)
10
A
Logic High
0.7DVDD
DVDD
V
Hysteresis
700
mV
DIGITAL OUTPUT (DIO, DOUT)
Logic High
IOH = –3mA (sourcing)
DVDD – 0.4
DVDD
V
Logic Low
IOL = +3mA (sinking)
GND
GND + 0.4
V
CHANNEL AND GAIN TIMING
Channel Select Time
0.2
s
Gain Select Time
0.2
s
SHUTDOWN MODE TIMING
Enable Time
4.0
s
VOUT goes high-impedance, RF and RI remain connected
Disable Time
2.0
s
between VOUT and VREF
POWER-ON-RESET (POR) TIMING
POR Power-Up Time
DVDD ≥ 2V
40
s
POR Power-Down Time
DVDD ≤ 1.5V
5
s
Table 1. Frequency Response versus Gain (CL = 100pF, RL= 10k)
0.1%
0.01%
0.1%
0.01%
TYPICAL
SLEW
SETTLING
TYPICAL
SLEW
SETTLING
–3dB
RATE-
TIME:
SCOPE
–3dB
RATE-
TIME:
BINARY
FREQUENCY
FALL
RISE
4VPP
GAIN
FREQUENCY
FALL
RISE
4VPP
GAIN (V/V)
(MHz)
(V/
s)
(V/
s)
(
s)
(
s)
(V/V)
(MHz)
(V/
s)
(V/
s)
(
s)
(
s)
1
10
8
3
2
2.55
1
10
8
3
2
2.55
2
3.8
9
6.4
2
2.6
2
3.8
9
6.4
2
2.6
4
2
12.8
10.6
2
2.6
5
1.8
12.8
10.6
2
2.6
8
1.8
12.8
10.6
2
2.6
10
1.8
12.8
10.6
2.2
2.6
16
1.6
12.8
2.3
2.6
20
1.3
12.8
9.1
2.3
2.8
32
1.8
12.8
13.3
2.3
3
50
0.9
9.1
7.1
2.4
3.8
64
0.6
4
3.5
3
6
100
0.38
4
3.5
4.4
7
128
0.35
2.5
4.8
8
200
0.23
2.3
2
6.9
10
Figure 1. Equivalent Input Circuit
Copyright 2008, Texas Instruments Incorporated
5
Product Folder Link(s): PGA112 PGA113 PGA116 PGA117
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